Release 6.3.1

Bumps [org.jfrog.buildinfo:build-info-extractor-gradle](https://github.com/jfrog/build-info) from 4.33.17 to 4.33.19.
- [Release notes](https://github.com/jfrog/build-info/releases)
- [Changelog](https://github.com/jfrog/build-info/blob/master/RELEASE.md)
- [Commits](https://github.com/jfrog/build-info/compare/build-info-gradle-extractor-4.33.17...build-info-gradle-extractor-4.33.19)

---
updated-dependencies:
- dependency-name: org.jfrog.buildinfo:build-info-extractor-gradle
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/dependabot.template.yml

@@ -0,0 +1,41 @@
+version: 2
+
+registries:
+  spring-milestones:
+    type: maven-repository
+    url: https://repo.spring.io/milestone
+
+updates:
+
+  - package-ecosystem: "gradle"
+    target-branch: "main"
+    directory: "/"
+    schedule:
+      interval: "daily"
+      time: "03:00"
+      timezone: "Etc/UTC"
+    labels: [ "type: dependency-upgrade" ]
+    registries:
+      - "spring-milestones"
+    ignore:
+      - dependency-name: "com.nimbusds:nimbus-jose-jwt" # nimbus-jose-jwt gets updated when oauth2-oidc-sdk is updated to ensure consistency
+      - dependency-name: "org.python:jython" # jython updates break integration tests
+      - dependency-name: "org.apache.directory.server:*" # ApacheDS version > 1.5.5 contains break changes
+      - dependency-name: "org.junit:junit-bom"
+        update-types: [ "version-update:semver-major" ]
+      - dependency-name: "org.mockito:mockito-bom"
+        update-types: [ "version-update:semver-major" ]
+      - dependency-name: "*"
+        update-types: [ "version-update:semver-major", "version-update:semver-minor" ]
+
+  #    GitHub Actions
+
+  - package-ecosystem: github-actions
+    target-branch: "main"
+    directory: "/"
+    schedule:
+      interval: weekly
+    ignore:
+      - dependency-name: "sjohnr/*"
+      - dependency-name: "spring-io/*"
+      - dependency-name: "spring-security-release-tools/*"

.github/dependabot.yml

@@ -1,72 +1,137 @@
 version: 2
-
 registries:
   spring-milestones:
     type: maven-repository
     url: https://repo.spring.io/milestone
-
 updates:
-
-  - package-ecosystem: "gradle"
-    target-branch: "main"
-    milestone: 319 # 6.2.x
-    directory: "/"
+  - package-ecosystem: gradle
+    target-branch: 5.8.x
+    directory: /
     schedule:
-      interval: "daily"
-      time: "03:00"
-      timezone: "Etc/UTC"
-    labels: [ "type: dependency-upgrade" ]
+      interval: daily
+      time: '03:00'
+      timezone: Etc/UTC
+    labels:
+      - 'type: dependency-upgrade'
     registries:
-      - "spring-milestones"
+      - spring-milestones
     ignore:
-      - dependency-name: "com.nimbusds:nimbus-jose-jwt" # nimbus-jose-jwt gets updated when oauth2-oidc-sdk is updated to ensure consistency
-      - dependency-name: "org.python:jython" # jython updates break integration tests
-      - dependency-name: "org.apache.directory.server:*" # ApacheDS version > 1.5.5 contains break changes
-      - dependency-name: "org.junit:junit-bom"
-        update-types: [ "version-update:semver-major" ]
-      - dependency-name: "org.mockito:mockito-bom"
-        update-types: [ "version-update:semver-major" ]
-      - dependency-name: "*"
-        update-types: [ "version-update:semver-major", "version-update:semver-minor" ]
-
-  - package-ecosystem: "gradle"
-    target-branch: "6.1.x"
-    milestone: 318 # 6.1.x
-    directory: "/"
+      - dependency-name: com.nimbusds:nimbus-jose-jwt
+      - dependency-name: org.python:jython
+      - dependency-name: org.apache.directory.server:*
+      - dependency-name: org.junit:junit-bom
+        update-types:
+          - version-update:semver-major
+      - dependency-name: org.mockito:mockito-bom
+        update-types:
+          - version-update:semver-major
+      - dependency-name: '*'
+        update-types:
+          - version-update:semver-major
+          - version-update:semver-minor
+  - package-ecosystem: gradle
+    target-branch: 6.2.x
+    directory: /
     schedule:
-      interval: "daily"
-      time: "03:00"
-      timezone: "Etc/UTC"
-    labels: [ "type: dependency-upgrade" ]
+      interval: daily
+      time: '03:00'
+      timezone: Etc/UTC
+    labels:
+      - 'type: dependency-upgrade'
+    registries:
+      - spring-milestones
     ignore:
-      - dependency-name: "com.nimbusds:nimbus-jose-jwt" # nimbus-jose-jwt gets updated when oauth2-oidc-sdk is updated to ensure consistency
-      - dependency-name: "org.python:jython" # jython updates break integration tests
-      - dependency-name: "org.apache.directory.server:*" # ApacheDS version > 1.5.5 contains break changes
-      - dependency-name: "org.junit:junit-bom"
-        update-types: [ "version-update:semver-major" ]
-      - dependency-name: "org.mockito:mockito-bom"
-        update-types: [ "version-update:semver-major" ]
-      - dependency-name: "*"
-        update-types: [ "version-update:semver-major", "version-update:semver-minor" ]
-
-  - package-ecosystem: "gradle"
-    target-branch: "5.8.x"
-    milestone: 246 # 5.8.x
-    directory: "/"
+      - dependency-name: com.nimbusds:nimbus-jose-jwt
+      - dependency-name: org.python:jython
+      - dependency-name: org.apache.directory.server:*
+      - dependency-name: org.junit:junit-bom
+        update-types:
+          - version-update:semver-major
+      - dependency-name: org.mockito:mockito-bom
+        update-types:
+          - version-update:semver-major
+      - dependency-name: '*'
+        update-types:
+          - version-update:semver-major
+          - version-update:semver-minor
+  - package-ecosystem: gradle
+    target-branch: main
+    directory: /
     schedule:
-      interval: "daily"
-      time: "03:00"
-      timezone: "Etc/UTC"
-    labels: [ "type: dependency-upgrade" ]
+      interval: daily
+      time: '03:00'
+      timezone: Etc/UTC
+    labels:
+      - 'type: dependency-upgrade'
+    registries:
+      - spring-milestones
     ignore:
-      - dependency-name: "com.nimbusds:nimbus-jose-jwt" # nimbus-jose-jwt gets updated when oauth2-oidc-sdk is updated to ensure consistency
-      - dependency-name: "org.python:jython" # jython updates break integration tests
-      - dependency-name: "org.apache.directory.server:*" # ApacheDS version > 1.5.5 contains break changes
-      - dependency-name: "io.mockk:mockk" # mockk updates break tests
-      - dependency-name: "org.opensaml:*" # org.opensaml maintains two different versions, so it must be updated manually
-      - dependency-name: "org.junit:junit-bom"
-        update-types: [ "version-update:semver-major" ]
-      - dependency-name: "org.mockito:mockito-bom"
-        update-types: [ "version-update:semver-major" ]
-      - dependency-name: "*"
-        update-types: [ "version-update:semver-major", "version-update:semver-minor" ]
+      - dependency-name: com.nimbusds:nimbus-jose-jwt
+      - dependency-name: org.python:jython
+      - dependency-name: org.apache.directory.server:*
+      - dependency-name: org.junit:junit-bom
+        update-types:
+          - version-update:semver-major
+      - dependency-name: org.mockito:mockito-bom
+        update-types:
+          - version-update:semver-major
+      - dependency-name: com.gradle.enterprise
+        update-types:
+          - version-update:semver-major
+          - version-update:semver-minor
+      - dependency-name: '*'
+        update-types:
+          - version-update:semver-major
+          - version-update:semver-minor
+  - package-ecosystem: github-actions
+    target-branch: 5.8.x
+    directory: /
+    schedule:
+      interval: weekly
+    labels:
+      - 'type: task'
+      - 'in: build'
+    ignore:
+      - dependency-name: sjohnr/*
+  - package-ecosystem: github-actions
+    target-branch: main
+    directory: /
+    schedule:
+      interval: weekly
+    labels:
+      - 'type: task'
+      - 'in: build'
+    ignore:
+      - dependency-name: sjohnr/*
+  - package-ecosystem: github-actions
+    target-branch: docs-build
+    directory: /
+    schedule:
+      interval: weekly
+    labels:
+      - 'type: task'
+      - 'in: build'
+    ignore:
+      - dependency-name: sjohnr/*
+
+  - package-ecosystem: npm
+    target-branch: docs-build
+    directory: /
+    schedule:
+      interval: weekly
+
+  - package-ecosystem: npm
+    target-branch: main
+    directory: /docs
+    schedule:
+      interval: weekly
+  - package-ecosystem: npm
+    target-branch: 6.2.x
+    directory: /docs
+    schedule:
+      interval: weekly
+  - package-ecosystem: npm
+    target-branch: 5.8.x
+    directory: /docs
+    schedule:
+      interval: weekly

.github/workflows/dependabot-auto-merge-forward.yml

@@ -0,0 +1,57 @@
+name: Auto Merge Forward Dependabot Commits
+
+on:
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+concurrency:
+  group: dependabot-auto-merge-forward
+
+jobs:
+  get-supported-branches:
+    uses: spring-io/spring-security-release-tools/.github/workflows/retrieve-spring-supported-versions.yml@actions-v1
+    with:
+      project: spring-security
+      type: oss
+      repository_name: spring-projects/spring-security
+
+  auto-merge-forward-dependabot:
+    name: Auto Merge Forward Dependabot Commits
+    runs-on: ubuntu-latest
+    needs: [get-supported-branches]
+    permissions:
+      contents: write
+    steps:
+      - name: Checkout
+        id: checkout
+        uses: actions/checkout@v4
+        with:
+          token: ${{ secrets.GH_ACTIONS_REPO_TOKEN }}
+      - name: Setup GitHub User
+        id: setup-gh-user
+        run: |
+          git config user.name 'github-actions[bot]'
+          git config user.email 'github-actions[bot]@users.noreply.github.com'
+      - name: Run Auto Merge Forward
+        id: run-auto-merge-forward
+        uses: spring-io/spring-security-release-tools/.github/actions/auto-merge-forward@actions-v1
+        with:
+          branches: ${{ needs.get-supported-branches.outputs.supported_versions }},main
+          from-author: dependabot[bot]
+  notify_result:
+    name: Check for failures
+    needs: [ auto-merge-forward-dependabot ]
+    if: failure()
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+    steps:
+      - name: Send Slack message
+        uses: Gamesight/slack-workflow-status@v1.3.0
+        with:
+          repo_token: ${{ secrets.GITHUB_TOKEN }}
+          slack_webhook_url: ${{ secrets.SLACK_WEBHOOK_URL }}
+          channel: '#spring-security-ci'
+          name: 'CI Notifier'

.github/workflows/gradle-wrapper-upgrade-execution.yml

@@ -25,7 +25,7 @@ jobs:
           java-version: '17'
           distribution: 'temurin'
       - name: Set up Gradle
-        uses: gradle/gradle-build-action@v2
+        uses: gradle/gradle-build-action@v3
       - name: Upgrade Wrappers
         run: ./gradlew clean upgradeGradleWrapperAll --continue -Porg.gradle.java.installations.auto-download=false
         env:

.github/workflows/release-scheduler.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         # List of active maintenance branches.
-        branch: [ main, 6.1.x, 5.8.x ]
+        branch: [ main, 6.2.x, 6.1.x, 5.8.x ]
     runs-on: ubuntu-latest
     steps:
     - name: Checkout

.github/workflows/update-dependabot.yml

@@ -0,0 +1,36 @@
+name: Update dependabot.yml
+
+on:
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+
+  get-supported-branches:
+    uses: spring-io/spring-security-release-tools/.github/workflows/retrieve-spring-supported-versions.yml@actions-v1
+    with:
+      project: spring-security
+      type: oss
+      repository_name: spring-projects/spring-security
+
+  main:
+    runs-on: ubuntu-latest
+    needs: [get-supported-branches]
+    if: ${{ (github.repository == 'spring-projects/spring-security') && (github.ref == 'refs/heads/main') }}
+    permissions:
+      contents: write
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+      - uses: spring-io/spring-security-release-tools/.github/actions/generate-dependabot-yml@actions-v1
+        name: Update dependabot.yml
+        with:
+          gradle-branches: ${{ needs.get-supported-branches.outputs.supported_versions }},main
+          github-actions-branches: ${{ needs.get-supported-branches.outputs.supported_versions }},main,docs-build
+          gh-token: ${{ secrets.GITHUB_TOKEN }}
+      - uses: stefanzweifel/git-auto-commit-action@v5
+        with:
+          commit_message: Update dependabot.yml

CONTRIBUTING.adoc

@@ -105,7 +105,7 @@ Once merged, the fix will be forwarded-ported to applicable branches including `
 1. Create a local branch
 If this is for an issue, consider a branch name with the issue number, like `gh-22276`.
 [[write-tests]]
-1. Add JUnit Tests for your changes
+1. Add documentation and JUnit Tests for your changes.
 [[update-copyright]]
 1. In all files you edited, if the copyright header is of the form 2002-20xx, update the final copyright year to the current year.
 [[add-since]]

README.adoc

@@ -1,8 +1,8 @@
 image::https://badges.gitter.im/Join%20Chat.svg[Gitter,link=https://gitter.im/spring-projects/spring-security?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge]
 
-image:https://github.com/spring-projects/spring-security/workflows/CI/badge.svg?branch=main["Build Status", link="https://github.com/spring-projects/spring-security/actions?query=workflow%3ACI"]
+image:https://github.com/spring-projects/spring-security/actions/workflows/continuous-integration-workflow.yml/badge.svg?branch=main["Build Status", link="https://github.com/spring-projects/spring-security/actions/workflows/continuous-integration-workflow.yml"]
 
-image:https://img.shields.io/badge/Revved%20up%20by-Gradle%20Enterprise-06A0CE?logo=Gradle&labelColor=02303A["Revved up by Gradle Enterprise", link="https://ge.spring.io/scans?search.rootProjectNames=spring-security"]
+image:https://img.shields.io/badge/Revved%20up%20by-Develocity-06A0CE?logo=Gradle&labelColor=02303A["Revved up by Develocity", link="https://ge.spring.io/scans?search.rootProjectNames=spring-security"]
 
 = Spring Security
 
@@ -15,14 +15,14 @@ For a detailed list of features and access to the latest release, please visit h
 Please see our https://github.com/spring-projects/.github/blob/main/CODE_OF_CONDUCT.md[code of conduct]
 
 == Downloading Artifacts
-See https://docs.spring.io/spring-security/site/docs/current/reference/html5/#getting[Getting Spring Security] for how to obtain Spring Security.
+See https://docs.spring.io/spring-security/reference/getting-spring-security.html[Getting Spring Security] for how to obtain Spring Security.
 
 == Documentation
 Be sure to read the https://docs.spring.io/spring-security/site/docs/current/reference/htmlsingle/[Spring Security Reference].
 Extensive JavaDoc for the Spring Security code is also available in the https://docs.spring.io/spring-security/site/docs/current/api/[Spring Security API Documentation].
 
 == Quick Start
-See https://docs.spring.io/spring-security/site/docs/current/reference/html5/#servlet-hello[Hello Spring Security] to get started with a "Hello, World" application.
+See https://docs.spring.io/spring-security/reference/servlet/getting-started.html[Hello Spring Security] to get started with a "Hello, World" application.
 
 == Building from Source
 Spring Security uses a https://gradle.org[Gradle]-based build system.

aspects/src/test/java/org/springframework/security/authorization/method/aspectj/PostAuthorizeAspectTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -103,6 +103,13 @@ public class PostAuthorizeAspectTests {
 		assertThatExceptionOfType(AccessDeniedException.class).isThrownBy(this.prePostSecured::denyAllMethod);
 	}
 
+	@Test
+	public void nestedDenyAllPostAuthorizeDeniesAccess() {
+		SecurityContextHolder.getContext().setAuthentication(this.anne);
+		assertThatExceptionOfType(AccessDeniedException.class)
+			.isThrownBy(() -> this.secured.myObject().denyAllMethod());
+	}
+
 	interface SecuredInterface {
 
 		@PostAuthorize("hasRole('X')")
@@ -134,6 +141,10 @@ public class PostAuthorizeAspectTests {
 			privateMethod();
 		}
 
+		NestedObject myObject() {
+			return new NestedObject();
+		}
+
 	}
 
 	static class SecuredImplSubclass extends SecuredImpl {
@@ -157,4 +168,13 @@ public class PostAuthorizeAspectTests {
 
 	}
 
+	static class NestedObject {
+
+		@PostAuthorize("denyAll")
+		void denyAllMethod() {
+
+		}
+
+	}
+
 }

aspects/src/test/java/org/springframework/security/authorization/method/aspectj/PostFilterAspectTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -54,6 +54,11 @@ public class PostFilterAspectTests {
 		assertThat(this.prePostSecured.postFilterMethod(objects)).containsExactly("apple", "aubergine");
 	}
 
+	@Test
+	public void nestedDenyAllPostFilterDeniesAccess() {
+		assertThat(this.prePostSecured.myObject().denyAllMethod()).isEmpty();
+	}
+
 	static class PrePostSecured {
 
 		@PostFilter("filterObject.startsWith('a')")
@@ -61,6 +66,19 @@ public class PostFilterAspectTests {
 			return objects;
 		}
 
+		NestedObject myObject() {
+			return new NestedObject();
+		}
+
+	}
+
+	static class NestedObject {
+
+		@PostFilter("filterObject == null")
+		List<String> denyAllMethod() {
+			return new ArrayList<>(List.of("deny"));
+		}
+
 	}
 
 }

aspects/src/test/java/org/springframework/security/authorization/method/aspectj/PreAuthorizeAspectTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -103,6 +103,13 @@ public class PreAuthorizeAspectTests {
 		assertThatExceptionOfType(AccessDeniedException.class).isThrownBy(this.prePostSecured::denyAllMethod);
 	}
 
+	@Test
+	public void nestedDenyAllPreAuthorizeDeniesAccess() {
+		SecurityContextHolder.getContext().setAuthentication(this.anne);
+		assertThatExceptionOfType(AccessDeniedException.class)
+			.isThrownBy(() -> this.secured.myObject().denyAllMethod());
+	}
+
 	interface SecuredInterface {
 
 		@PreAuthorize("hasRole('X')")
@@ -134,6 +141,10 @@ public class PreAuthorizeAspectTests {
 			privateMethod();
 		}
 
+		NestedObject myObject() {
+			return new NestedObject();
+		}
+
 	}
 
 	static class SecuredImplSubclass extends SecuredImpl {
@@ -157,4 +168,13 @@ public class PreAuthorizeAspectTests {
 
 	}
 
+	static class NestedObject {
+
+		@PreAuthorize("denyAll")
+		void denyAllMethod() {
+
+		}
+
+	}
+
 }

aspects/src/test/java/org/springframework/security/authorization/method/aspectj/PreFilterAspectTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -54,6 +54,11 @@ public class PreFilterAspectTests {
 		assertThat(this.prePostSecured.preFilterMethod(objects)).containsExactly("apple", "aubergine");
 	}
 
+	@Test
+	public void nestedDenyAllPreFilterDeniesAccess() {
+		assertThat(this.prePostSecured.myObject().denyAllMethod(new ArrayList<>(List.of("deny")))).isEmpty();
+	}
+
 	static class PrePostSecured {
 
 		@PreFilter("filterObject.startsWith('a')")
@@ -61,6 +66,19 @@ public class PreFilterAspectTests {
 			return objects;
 		}
 
+		NestedObject myObject() {
+			return new NestedObject();
+		}
+
+	}
+
+	static class NestedObject {
+
+		@PreFilter("filterObject == null")
+		List<String> denyAllMethod(List<String> list) {
+			return list;
+		}
+
 	}
 
 }

aspects/src/test/java/org/springframework/security/authorization/method/aspectj/SecuredAspectTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.

cas/src/main/java/org/springframework/security/cas/web/CasAuthenticationEntryPoint.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -28,6 +28,7 @@ import org.springframework.security.cas.ServiceProperties;
 import org.springframework.security.core.AuthenticationException;
 import org.springframework.security.web.AuthenticationEntryPoint;
 import org.springframework.security.web.DefaultRedirectStrategy;
+import org.springframework.security.web.RedirectStrategy;
 import org.springframework.util.Assert;
 
 /**
@@ -61,6 +62,8 @@ public class CasAuthenticationEntryPoint implements AuthenticationEntryPoint, In
 	 */
 	private boolean encodeServiceUrlWithSessionId = true;
 
+	private RedirectStrategy redirectStrategy = new DefaultRedirectStrategy();
+
 	@Override
 	public void afterPropertiesSet() {
 		Assert.hasLength(this.loginUrl, "loginUrl must be specified");
@@ -74,8 +77,7 @@ public class CasAuthenticationEntryPoint implements AuthenticationEntryPoint, In
 		String urlEncodedService = createServiceUrl(servletRequest, response);
 		String redirectUrl = createRedirectUrl(urlEncodedService);
 		preCommence(servletRequest, response);
-		new DefaultRedirectStrategy().sendRedirect(servletRequest, response, redirectUrl);
-		// response.sendRedirect(redirectUrl);
+		this.redirectStrategy.sendRedirect(servletRequest, response, redirectUrl);
 	}
 
 	/**
@@ -149,4 +151,14 @@ public class CasAuthenticationEntryPoint implements AuthenticationEntryPoint, In
 		return this.encodeServiceUrlWithSessionId;
 	}
 
+	/**
+	 * Sets the {@link RedirectStrategy} to use
+	 * @param redirectStrategy the {@link RedirectStrategy} to use
+	 * @since 6.3
+	 */
+	public void setRedirectStrategy(RedirectStrategy redirectStrategy) {
+		Assert.notNull(redirectStrategy, "redirectStrategy cannot be null");
+		this.redirectStrategy = redirectStrategy;
+	}
+
 }

cas/src/main/java/org/springframework/security/cas/web/CasAuthenticationFilter.java

@@ -22,6 +22,7 @@ import jakarta.servlet.FilterChain;
 import jakarta.servlet.ServletException;
 import jakarta.servlet.http.HttpServletRequest;
 import jakarta.servlet.http.HttpServletResponse;
+import jakarta.servlet.http.HttpSession;
 import org.apereo.cas.client.proxy.ProxyGrantingTicketStorage;
 import org.apereo.cas.client.util.WebUtils;
 import org.apereo.cas.client.validation.TicketValidator;
@@ -40,14 +41,20 @@ import org.springframework.security.core.AuthenticationException;
 import org.springframework.security.core.context.SecurityContext;
 import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.security.core.context.SecurityContextHolderStrategy;
+import org.springframework.security.web.DefaultRedirectStrategy;
+import org.springframework.security.web.RedirectStrategy;
 import org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter;
 import org.springframework.security.web.authentication.AuthenticationFailureHandler;
 import org.springframework.security.web.authentication.SimpleUrlAuthenticationFailureHandler;
 import org.springframework.security.web.context.HttpSessionSecurityContextRepository;
 import org.springframework.security.web.context.SecurityContextRepository;
+import org.springframework.security.web.savedrequest.HttpSessionRequestCache;
+import org.springframework.security.web.savedrequest.RequestCache;
+import org.springframework.security.web.savedrequest.SavedRequest;
 import org.springframework.security.web.util.matcher.AntPathRequestMatcher;
 import org.springframework.security.web.util.matcher.RequestMatcher;
 import org.springframework.util.Assert;
+import org.springframework.util.StringUtils;
 
 /**
  * Processes a CAS service ticket, obtains proxy granting tickets, and processes proxy
@@ -55,14 +62,14 @@ import org.springframework.util.Assert;
  * <h2>Service Tickets</h2>
  * <p>
  * A service ticket consists of an opaque ticket string. It arrives at this filter by the
- * user's browser successfully authenticating using CAS, and then receiving a HTTP
+ * user's browser successfully authenticating using CAS, and then receiving an HTTP
  * redirect to a <code>service</code>. The opaque ticket string is presented in the
  * <code>ticket</code> request parameter.
  * <p>
- * This filter monitors the <code>service</code> URL so it can receive the service ticket
- * and process it. By default this filter processes the URL <tt>/login/cas</tt>. When
- * processing this URL, the value of {@link ServiceProperties#getService()} is used as the
- * <tt>service</tt> when validating the <code>ticket</code>. This means that it is
+ * This filter monitors the <code>service</code> URL so that it can receive the service
+ * ticket and process it. By default, this filter processes the URL <tt>/login/cas</tt>.
+ * When processing this URL, the value of {@link ServiceProperties#getService()} is used
+ * as the <tt>service</tt> when validating the <code>ticket</code>. This means that it is
  * important that {@link ServiceProperties#getService()} specifies the same value as the
  * <tt>filterProcessesUrl</tt>.
  * <p>
@@ -73,22 +80,22 @@ import org.springframework.util.Assert;
  * <h2>Obtaining Proxy Granting Tickets</h2>
  * <p>
  * If specified, the filter can also monitor the <code>proxyReceptorUrl</code>. The filter
- * will respond to requests matching this url so that the CAS Server can provide a PGT to
- * the filter. Note that in addition to the <code>proxyReceptorUrl</code> a non-null
+ * will respond to the requests matching this url so that the CAS Server can provide a PGT
+ * to the filter. Note that in addition to the <code>proxyReceptorUrl</code> a non-null
  * <code>proxyGrantingTicketStorage</code> must be provided in order for the filter to
  * respond to proxy receptor requests. By configuring a shared
  * {@link ProxyGrantingTicketStorage} between the {@link TicketValidator} and the
- * CasAuthenticationFilter one can have the CasAuthenticationFilter handle the proxying
- * requirements for CAS.
+ * <code>CasAuthenticationFilter</code>, one can have the
+ * <code>CasAuthenticationFilter</code> handling the proxying requirements for CAS.
  * <h2>Proxy Tickets</h2>
  * <p>
- * The filter can process tickets present on any url. This is useful when wanting to
- * process proxy tickets. In order for proxy tickets to get processed
+ * The filter can process tickets present on any url. This is useful when one wants to
+ * process proxy tickets. In order for proxy tickets to get processed,
  * {@link ServiceProperties#isAuthenticateAllArtifacts()} must return <code>true</code>.
  * Additionally, if the request is already authenticated, authentication will <b>not</b>
  * occur. Last, {@link AuthenticationDetailsSource#buildDetails(Object)} must return a
  * {@link ServiceAuthenticationDetails}. This can be accomplished using the
- * {@link ServiceAuthenticationDetailsSource}. In this case
+ * {@link ServiceAuthenticationDetailsSource}. In this case,
  * {@link ServiceAuthenticationDetails#getServiceUrl()} will be used for the service url.
  * <p>
  * Processing the proxy ticket involves creating a
@@ -200,6 +207,10 @@ public class CasAuthenticationFilter extends AbstractAuthenticationProcessingFil
 	private SecurityContextHolderStrategy securityContextHolderStrategy = SecurityContextHolder
 		.getContextHolderStrategy();
 
+	private RedirectStrategy redirectStrategy = new DefaultRedirectStrategy();
+
+	private RequestCache requestCache = new HttpSessionRequestCache();
+
 	private final AuthenticationTrustResolver trustResolver = new AuthenticationTrustResolverImpl();
 
 	public CasAuthenticationFilter() {
@@ -240,7 +251,22 @@ public class CasAuthenticationFilter extends AbstractAuthenticationProcessingFil
 			return null;
 		}
 		String serviceTicket = obtainArtifact(request);
-		if (serviceTicket == null) {
+		if (!StringUtils.hasText(serviceTicket)) {
+			HttpSession session = request.getSession(false);
+			if (session != null && session
+				.getAttribute(CasGatewayAuthenticationRedirectFilter.CAS_GATEWAY_AUTHENTICATION_ATTR) != null) {
+				this.logger.debug("Failed authentication response from CAS gateway request");
+				session.removeAttribute(CasGatewayAuthenticationRedirectFilter.CAS_GATEWAY_AUTHENTICATION_ATTR);
+				SavedRequest savedRequest = this.requestCache.getRequest(request, response);
+				if (savedRequest != null) {
+					String redirectUrl = savedRequest.getRedirectUrl();
+					this.logger.debug(LogMessage.format("Redirecting to: %s", redirectUrl));
+					this.requestCache.removeRequest(request, response);
+					this.redirectStrategy.sendRedirect(request, response, redirectUrl);
+					return null;
+				}
+			}
+
 			this.logger.debug("Failed to obtain an artifact (cas ticket)");
 			serviceTicket = "";
 		}
@@ -318,6 +344,28 @@ public class CasAuthenticationFilter extends AbstractAuthenticationProcessingFil
 		this.securityContextHolderStrategy = securityContextHolderStrategy;
 	}
 
+	/**
+	 * Set the {@link RedirectStrategy} used to redirect to the saved request if there is
+	 * one saved. Defaults to {@link DefaultRedirectStrategy}.
+	 * @param redirectStrategy the redirect strategy to use
+	 * @since 6.3
+	 */
+	public final void setRedirectStrategy(RedirectStrategy redirectStrategy) {
+		Assert.notNull(redirectStrategy, "redirectStrategy cannot be null");
+		this.redirectStrategy = redirectStrategy;
+	}
+
+	/**
+	 * The {@link RequestCache} used to retrieve the saved request in failed gateway
+	 * authentication scenarios.
+	 * @param requestCache the request cache to use
+	 * @since 6.3
+	 */
+	public final void setRequestCache(RequestCache requestCache) {
+		Assert.notNull(requestCache, "requestCache cannot be null");
+		this.requestCache = requestCache;
+	}
+
 	/**
 	 * Indicates if the request is elgible to process a service ticket. This method exists
 	 * for readability.

cas/src/main/java/org/springframework/security/cas/web/CasGatewayAuthenticationRedirectFilter.java

@@ -0,0 +1,126 @@
+/*
+ * Copyright 2002-2023 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.cas.web;
+
+import java.io.IOException;
+
+import jakarta.servlet.FilterChain;
+import jakarta.servlet.ServletException;
+import jakarta.servlet.ServletRequest;
+import jakarta.servlet.ServletResponse;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import jakarta.servlet.http.HttpSession;
+import org.apereo.cas.client.util.CommonUtils;
+import org.apereo.cas.client.util.WebUtils;
+
+import org.springframework.security.cas.ServiceProperties;
+import org.springframework.security.web.DefaultRedirectStrategy;
+import org.springframework.security.web.RedirectStrategy;
+import org.springframework.security.web.savedrequest.HttpSessionRequestCache;
+import org.springframework.security.web.savedrequest.RequestCache;
+import org.springframework.security.web.util.matcher.RequestMatcher;
+import org.springframework.util.Assert;
+import org.springframework.web.filter.GenericFilterBean;
+
+/**
+ * Redirects the request to the CAS server appending {@code gateway=true} to the URL. Upon
+ * redirection, the {@link ServiceProperties#isSendRenew()} is ignored and considered as
+ * {@code false} to align with the specification says that the {@code sendRenew} parameter
+ * is not compatible with the {@code gateway} parameter. See the <a href=
+ * "https://apereo.github.io/cas/6.6.x/protocol/CAS-Protocol-V2-Specification.html#:~:text=This%20parameter%20is%20not%20compatible%20with%20the%20%E2%80%9Crenew%E2%80%9D%20parameter.%20Behavior%20is%20undefined%20if%20both%20are%20set.">CAS
+ * Protocol Specification</a> for more details. To allow other filters to know if the
+ * request is a gateway request, this filter creates a session and add an attribute with
+ * name {@link #CAS_GATEWAY_AUTHENTICATION_ATTR} which can be checked by other filters if
+ * needed. It is recommended that this filter is placed after
+ * {@link CasAuthenticationFilter} if it is defined.
+ *
+ * @author Michael Remond
+ * @author Jerome LELEU
+ * @author Marcus da Coregio
+ * @since 6.3
+ */
+public final class CasGatewayAuthenticationRedirectFilter extends GenericFilterBean {
+
+	public static final String CAS_GATEWAY_AUTHENTICATION_ATTR = "CAS_GATEWAY_AUTHENTICATION";
+
+	private final String casLoginUrl;
+
+	private final ServiceProperties serviceProperties;
+
+	private RequestMatcher requestMatcher;
+
+	private RequestCache requestCache = new HttpSessionRequestCache();
+
+	private RedirectStrategy redirectStrategy = new DefaultRedirectStrategy();
+
+	/**
+	 * Constructs a new instance of this class
+	 * @param serviceProperties the {@link ServiceProperties}
+	 */
+	public CasGatewayAuthenticationRedirectFilter(String casLoginUrl, ServiceProperties serviceProperties) {
+		Assert.hasText(casLoginUrl, "casLoginUrl cannot be null or empty");
+		Assert.notNull(serviceProperties, "serviceProperties cannot be null");
+		this.casLoginUrl = casLoginUrl;
+		this.serviceProperties = serviceProperties;
+		this.requestMatcher = new CasGatewayResolverRequestMatcher(this.serviceProperties);
+	}
+
+	@Override
+	public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain)
+			throws IOException, ServletException {
+
+		HttpServletRequest request = (HttpServletRequest) req;
+		HttpServletResponse response = (HttpServletResponse) res;
+
+		if (!this.requestMatcher.matches(request)) {
+			chain.doFilter(request, response);
+			return;
+		}
+
+		this.requestCache.saveRequest(request, response);
+		HttpSession session = request.getSession(true);
+		session.setAttribute(CAS_GATEWAY_AUTHENTICATION_ATTR, true);
+		String urlEncodedService = WebUtils.constructServiceUrl(request, response, this.serviceProperties.getService(),
+				null, this.serviceProperties.getServiceParameter(), this.serviceProperties.getArtifactParameter(),
+				true);
+		String redirectUrl = CommonUtils.constructRedirectUrl(this.casLoginUrl,
+				this.serviceProperties.getServiceParameter(), urlEncodedService, false, true);
+		this.redirectStrategy.sendRedirect(request, response, redirectUrl);
+	}
+
+	/**
+	 * Sets the {@link RequestMatcher} used to trigger this filter. Defaults to
+	 * {@link CasGatewayResolverRequestMatcher}.
+	 * @param requestMatcher the {@link RequestMatcher} to use
+	 */
+	public void setRequestMatcher(RequestMatcher requestMatcher) {
+		Assert.notNull(requestMatcher, "requestMatcher cannot be null");
+		this.requestMatcher = requestMatcher;
+	}
+
+	/**
+	 * Sets the {@link RequestCache} used to store the current request to be replayed
+	 * after redirect from the CAS server. Defaults to {@link HttpSessionRequestCache}.
+	 * @param requestCache the {@link RequestCache} to use
+	 */
+	public void setRequestCache(RequestCache requestCache) {
+		Assert.notNull(requestCache, "requestCache cannot be null");
+		this.requestCache = requestCache;
+	}
+
+}

cas/src/main/java/org/springframework/security/cas/web/CasGatewayResolverRequestMatcher.java

@@ -0,0 +1,67 @@
+/*
+ * Copyright 2002-2023 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.cas.web;
+
+import jakarta.servlet.http.HttpServletRequest;
+import org.apereo.cas.client.authentication.DefaultGatewayResolverImpl;
+import org.apereo.cas.client.authentication.GatewayResolver;
+
+import org.springframework.security.cas.ServiceProperties;
+import org.springframework.security.web.util.matcher.RequestMatcher;
+import org.springframework.util.Assert;
+
+/**
+ * A {@link RequestMatcher} implementation that delegates the check to an instance of
+ * {@link GatewayResolver}. The request is marked as "gatewayed" using the configured
+ * {@link GatewayResolver} to avoid infinite loop.
+ *
+ * @author Michael Remond
+ * @author Marcus da Coregio
+ * @since 6.3
+ */
+public final class CasGatewayResolverRequestMatcher implements RequestMatcher {
+
+	private final ServiceProperties serviceProperties;
+
+	private GatewayResolver gatewayStorage = new DefaultGatewayResolverImpl();
+
+	public CasGatewayResolverRequestMatcher(ServiceProperties serviceProperties) {
+		Assert.notNull(serviceProperties, "serviceProperties cannot be null");
+		this.serviceProperties = serviceProperties;
+	}
+
+	@Override
+	public boolean matches(HttpServletRequest request) {
+		boolean wasGatewayed = this.gatewayStorage.hasGatewayedAlready(request, this.serviceProperties.getService());
+		if (!wasGatewayed) {
+			this.gatewayStorage.storeGatewayInformation(request, this.serviceProperties.getService());
+			return true;
+		}
+		return false;
+	}
+
+	/**
+	 * Sets the {@link GatewayResolver} to check if the request was already gatewayed.
+	 * Defaults to {@link DefaultGatewayResolverImpl}
+	 * @param gatewayStorage the {@link GatewayResolver} to use. Cannot be null.
+	 */
+	public void setGatewayStorage(GatewayResolver gatewayStorage) {
+		Assert.notNull(gatewayStorage, "gatewayStorage cannot be null");
+		this.gatewayStorage = gatewayStorage;
+	}
+
+}

cas/src/test/java/org/springframework/security/cas/web/CasAuthenticationEntryPointTests.java

@@ -16,16 +16,22 @@
 
 package org.springframework.security.cas.web;
 
+import java.io.IOException;
 import java.net.URLEncoder;
 
 import org.junit.jupiter.api.Test;
 
 import org.springframework.mock.web.MockHttpServletRequest;
 import org.springframework.mock.web.MockHttpServletResponse;
+import org.springframework.security.authentication.BadCredentialsException;
 import org.springframework.security.cas.ServiceProperties;
+import org.springframework.security.web.RedirectStrategy;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
 
 /**
  * Tests {@link CasAuthenticationEntryPoint}.
@@ -95,4 +101,25 @@ public class CasAuthenticationEntryPointTests {
 			.isEqualTo(response.getRedirectedUrl());
 	}
 
+	@Test
+	void setRedirectStrategyThenUses() throws IOException {
+		CasAuthenticationEntryPoint ep = new CasAuthenticationEntryPoint();
+		ServiceProperties sp = new ServiceProperties();
+
+		sp.setService("https://mycompany.com/login/cas");
+		ep.setServiceProperties(sp);
+		ep.setLoginUrl("https://cas/login");
+
+		RedirectStrategy redirectStrategy = mock();
+
+		ep.setRedirectStrategy(redirectStrategy);
+		MockHttpServletRequest req = new MockHttpServletRequest();
+		MockHttpServletResponse res = new MockHttpServletResponse();
+
+		ep.commence(req, res, new BadCredentialsException("bad credentials"));
+
+		verify(redirectStrategy).sendRedirect(eq(req), eq(res),
+				eq("https://cas/login?service=https%3A%2F%2Fmycompany.com%2Flogin%2Fcas"));
+	}
+
 }

cas/src/test/java/org/springframework/security/cas/web/CasAuthenticationFilterTests.java

@@ -20,6 +20,7 @@ import java.io.IOException;
 
 import jakarta.servlet.FilterChain;
 import jakarta.servlet.ServletException;
+import jakarta.servlet.http.HttpSession;
 import org.apereo.cas.client.proxy.ProxyGrantingTicketStorage;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.Test;
@@ -41,6 +42,7 @@ import org.springframework.security.core.context.SecurityContextHolderStrategy;
 import org.springframework.security.core.context.SecurityContextImpl;
 import org.springframework.security.web.authentication.AuthenticationSuccessHandler;
 import org.springframework.security.web.context.SecurityContextRepository;
+import org.springframework.security.web.savedrequest.HttpSessionRequestCache;
 import org.springframework.test.util.ReflectionTestUtils;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -224,6 +226,25 @@ public class CasAuthenticationFilterTests {
 		verify(securityContextRepository).saveContext(any(SecurityContext.class), eq(request), eq(response));
 	}
 
+	@Test
+	public void attemptAuthenticationWhenNoServiceTicketAndIsGatewayRequestThenRedirectToSavedRequestAndClearAttribute()
+			throws Exception {
+		CasAuthenticationFilter filter = new CasAuthenticationFilter();
+		MockHttpServletRequest request = new MockHttpServletRequest();
+		MockHttpServletResponse response = new MockHttpServletResponse();
+		HttpSession session = request.getSession(true);
+		session.setAttribute(CasGatewayAuthenticationRedirectFilter.CAS_GATEWAY_AUTHENTICATION_ATTR, true);
+
+		new HttpSessionRequestCache().saveRequest(request, response);
+
+		Authentication authn = filter.attemptAuthentication(request, response);
+		assertThat(authn).isNull();
+		assertThat(response.getStatus()).isEqualTo(302);
+		assertThat(response.getRedirectedUrl()).isEqualTo("http://localhost?continue");
+		assertThat(session.getAttribute(CasGatewayAuthenticationRedirectFilter.CAS_GATEWAY_AUTHENTICATION_ATTR))
+			.isNull();
+	}
+
 	@Test
 	void successfulAuthenticationWhenSecurityContextRepositorySetThenUses() throws ServletException, IOException {
 		SecurityContextRepository securityContextRepository = mock(SecurityContextRepository.class);

cas/src/test/java/org/springframework/security/cas/web/CasGatewayAuthenticationRedirectFilterTests.java

@@ -0,0 +1,95 @@
+/*
+ * Copyright 2002-2023 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.cas.web;
+
+import java.io.IOException;
+
+import jakarta.servlet.FilterChain;
+import jakarta.servlet.ServletException;
+import org.junit.jupiter.api.Test;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.mock.web.MockFilterChain;
+import org.springframework.mock.web.MockHttpServletRequest;
+import org.springframework.mock.web.MockHttpServletResponse;
+import org.springframework.security.cas.ServiceProperties;
+import org.springframework.security.web.savedrequest.RequestCache;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyNoInteractions;
+
+/**
+ * Tests for {@link CasGatewayAuthenticationRedirectFilter}.
+ *
+ * @author Jerome LELEU
+ * @author Marcus da Coregio
+ */
+public class CasGatewayAuthenticationRedirectFilterTests {
+
+	private static final String CAS_LOGIN_URL = "http://mycasserver/login";
+
+	CasGatewayAuthenticationRedirectFilter filter = new CasGatewayAuthenticationRedirectFilter(CAS_LOGIN_URL,
+			serviceProperties());
+
+	@Test
+	void doFilterWhenMatchesThenSavesRequestAndSavesAttributeAndSendRedirect() throws IOException, ServletException {
+		RequestCache requestCache = mock();
+		MockHttpServletRequest request = new MockHttpServletRequest();
+		MockHttpServletResponse response = new MockHttpServletResponse();
+		this.filter.setRequestMatcher((req) -> true);
+		this.filter.setRequestCache(requestCache);
+		this.filter.doFilter(request, response, new MockFilterChain());
+		assertThat(response.getStatus()).isEqualTo(HttpStatus.FOUND.value());
+		assertThat(response.getHeader("Location"))
+			.isEqualTo("http://mycasserver/login?service=http%3A%2F%2Flocalhost%2Flogin%2Fcas&gateway=true");
+		verify(requestCache).saveRequest(request, response);
+	}
+
+	@Test
+	void doFilterWhenNotMatchThenContinueFilter() throws ServletException, IOException {
+		this.filter.setRequestMatcher((req) -> false);
+		FilterChain chain = mock();
+		MockHttpServletResponse response = mock();
+		this.filter.doFilter(new MockHttpServletRequest(), response, chain);
+		verify(chain).doFilter(any(), any());
+		verifyNoInteractions(response);
+	}
+
+	@Test
+	void doFilterWhenSendRenewTrueThenIgnores() throws ServletException, IOException {
+		ServiceProperties serviceProperties = serviceProperties();
+		serviceProperties.setSendRenew(true);
+		this.filter = new CasGatewayAuthenticationRedirectFilter(CAS_LOGIN_URL, serviceProperties);
+		MockHttpServletRequest request = new MockHttpServletRequest();
+		MockHttpServletResponse response = new MockHttpServletResponse();
+		this.filter.setRequestMatcher((req) -> true);
+		this.filter.doFilter(request, response, new MockFilterChain());
+		assertThat(response.getStatus()).isEqualTo(HttpStatus.FOUND.value());
+		assertThat(response.getHeader("Location"))
+			.isEqualTo("http://mycasserver/login?service=http%3A%2F%2Flocalhost%2Flogin%2Fcas&gateway=true");
+	}
+
+	private static ServiceProperties serviceProperties() {
+		ServiceProperties serviceProperties = new ServiceProperties();
+		serviceProperties.setService("http://localhost/login/cas");
+		return serviceProperties;
+	}
+
+}

cas/src/test/java/org/springframework/security/cas/web/CasGatewayResolverRequestMatcherTests.java

@@ -0,0 +1,74 @@
+/*
+ * Copyright 2002-2023 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.cas.web;
+
+import org.junit.jupiter.api.Test;
+
+import org.springframework.mock.web.MockHttpServletRequest;
+import org.springframework.security.cas.ServiceProperties;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatIllegalArgumentException;
+
+/**
+ * Tests {@link CasGatewayResolverRequestMatcher}.
+ *
+ * @author Marcus da Coregio
+ */
+class CasGatewayResolverRequestMatcherTests {
+
+	CasGatewayResolverRequestMatcher matcher = new CasGatewayResolverRequestMatcher(new ServiceProperties());
+
+	@Test
+	void constructorWhenServicePropertiesNullThenException() {
+		assertThatIllegalArgumentException().isThrownBy(() -> new CasGatewayResolverRequestMatcher(null))
+			.withMessage("serviceProperties cannot be null");
+	}
+
+	@Test
+	void matchesWhenAlreadyGatewayedThenReturnsFalse() {
+		MockHttpServletRequest request = new MockHttpServletRequest();
+		request.getSession().setAttribute("_const_cas_gateway_", "yes");
+		boolean matches = this.matcher.matches(request);
+		assertThat(matches).isFalse();
+	}
+
+	@Test
+	void matchesWhenNotGatewayedThenReturnsTrue() {
+		MockHttpServletRequest request = new MockHttpServletRequest();
+		boolean matches = this.matcher.matches(request);
+		assertThat(matches).isTrue();
+	}
+
+	@Test
+	void matchesWhenNoSessionThenReturnsTrue() {
+		MockHttpServletRequest request = new MockHttpServletRequest();
+		request.setSession(null);
+		boolean matches = this.matcher.matches(request);
+		assertThat(matches).isTrue();
+	}
+
+	@Test
+	void matchesWhenNotGatewayedAndCheckedAgainThenSavesAsGatewayedAndReturnsFalse() {
+		MockHttpServletRequest request = new MockHttpServletRequest();
+		boolean matches = this.matcher.matches(request);
+		boolean secondMatch = this.matcher.matches(request);
+		assertThat(matches).isTrue();
+		assertThat(secondMatch).isFalse();
+	}
+
+}

config/src/main/java/org/springframework/security/config/SecurityNamespaceHandler.java

@@ -96,7 +96,7 @@ public final class SecurityNamespaceHandler implements NamespaceHandler {
 			pc.getReaderContext()
 				.fatal("You cannot use a spring-security-2.0.xsd or spring-security-3.0.xsd or "
 						+ "spring-security-3.1.xsd schema or spring-security-3.2.xsd schema or spring-security-4.0.xsd schema "
-						+ "with Spring Security 6.2. Please update your schema declarations to the 6.2 schema.",
+						+ "with Spring Security 6.3. Please update your schema declarations to the 6.3 schema.",
 						element);
 		}
 		String name = pc.getDelegate().getLocalName(element);
@@ -221,7 +221,7 @@ public final class SecurityNamespaceHandler implements NamespaceHandler {
 
 	private boolean matchesVersionInternal(Element element) {
 		String schemaLocation = element.getAttributeNS("http://www.w3.org/2001/XMLSchema-instance", "schemaLocation");
-		return schemaLocation.matches("(?m).*spring-security-6\\.2.*.xsd.*")
+		return schemaLocation.matches("(?m).*spring-security-6\\.3.*.xsd.*")
 				|| schemaLocation.matches("(?m).*spring-security.xsd.*")
 				|| !schemaLocation.matches("(?m).*spring-security.*");
 	}

config/src/main/java/org/springframework/security/config/annotation/authentication/configuration/InitializeAuthenticationProviderBeanManagerConfigurer.java

@@ -16,8 +16,15 @@
 
 package org.springframework.security.config.annotation.authentication.configuration;
 
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
 import org.springframework.context.ApplicationContext;
 import org.springframework.core.annotation.Order;
+import org.springframework.core.log.LogMessage;
 import org.springframework.security.authentication.AuthenticationProvider;
 import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
 
@@ -49,16 +56,33 @@ class InitializeAuthenticationProviderBeanManagerConfigurer extends GlobalAuthen
 
 	class InitializeAuthenticationProviderManagerConfigurer extends GlobalAuthenticationConfigurerAdapter {
 
+		private final Log logger = LogFactory.getLog(getClass());
+
 		@Override
 		public void configure(AuthenticationManagerBuilder auth) {
 			if (auth.isConfigured()) {
 				return;
 			}
-			AuthenticationProvider authenticationProvider = getBeanOrNull(AuthenticationProvider.class);
-			if (authenticationProvider == null) {
+			List<BeanWithName<AuthenticationProvider>> authenticationProviders = getBeansWithName(
+					AuthenticationProvider.class);
+			if (authenticationProviders.isEmpty()) {
 				return;
 			}
+			else if (authenticationProviders.size() > 1) {
+				List<String> beanNames = authenticationProviders.stream().map(BeanWithName::getName).toList();
+				this.logger.info(LogMessage.format("Found %s AuthenticationProvider beans, with names %s. "
+						+ "Global Authentication Manager will not be configured with AuthenticationProviders. "
+						+ "Consider publishing a single AuthenticationProvider bean, or wiring your Providers directly "
+						+ "using the DSL.", authenticationProviders.size(), beanNames));
+				return;
+			}
+			var authenticationProvider = authenticationProviders.get(0).getBean();
+			var authenticationProviderBeanName = authenticationProviders.get(0).getName();
+
 			auth.authenticationProvider(authenticationProvider);
+			this.logger.info(LogMessage.format(
+					"Global AuthenticationManager configured with AuthenticationProvider bean with name %s",
+					authenticationProviderBeanName));
 		}
 
 		/**
@@ -74,6 +98,42 @@ class InitializeAuthenticationProviderBeanManagerConfigurer extends GlobalAuthen
 			return InitializeAuthenticationProviderBeanManagerConfigurer.this.context.getBean(beanNames[0], type);
 		}
 
+		/**
+		 * @return a list of beans of the requested class, along with their names. If
+		 * there are no registered beans of that type, the list is empty.
+		 */
+		private <T> List<BeanWithName<T>> getBeansWithName(Class<T> type) {
+			List<BeanWithName<T>> beanWithNames = new ArrayList<>();
+			String[] beanNames = InitializeAuthenticationProviderBeanManagerConfigurer.this.context
+				.getBeanNamesForType(type);
+			for (String beanName : beanNames) {
+				T bean = InitializeAuthenticationProviderBeanManagerConfigurer.this.context.getBean(beanNames[0], type);
+				beanWithNames.add(new BeanWithName<T>(bean, beanName));
+			}
+			return beanWithNames;
+		}
+
+		static class BeanWithName<T> {
+
+			private final T bean;
+
+			private final String name;
+
+			BeanWithName(T bean, String name) {
+				this.bean = bean;
+				this.name = name;
+			}
+
+			T getBean() {
+				return this.bean;
+			}
+
+			String getName() {
+				return this.name;
+			}
+
+		}
+
 	}
 
 }

config/src/main/java/org/springframework/security/config/annotation/authentication/configuration/InitializeUserDetailsBeanManagerConfigurer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,10 +16,18 @@
 
 package org.springframework.security.config.annotation.authentication.configuration;
 
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
 import org.springframework.context.ApplicationContext;
 import org.springframework.core.Ordered;
 import org.springframework.core.annotation.Order;
+import org.springframework.core.log.LogMessage;
 import org.springframework.security.authentication.dao.DaoAuthenticationProvider;
+import org.springframework.security.authentication.password.CompromisedPasswordChecker;
 import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
 import org.springframework.security.core.userdetails.UserDetailsPasswordService;
 import org.springframework.security.core.userdetails.UserDetailsService;
@@ -54,27 +62,57 @@ class InitializeUserDetailsBeanManagerConfigurer extends GlobalAuthenticationCon
 
 	class InitializeUserDetailsManagerConfigurer extends GlobalAuthenticationConfigurerAdapter {
 
+		private final Log logger = LogFactory.getLog(getClass());
+
 		@Override
 		public void configure(AuthenticationManagerBuilder auth) throws Exception {
+			List<BeanWithName<UserDetailsService>> userDetailsServices = getBeansWithName(UserDetailsService.class);
 			if (auth.isConfigured()) {
+				if (!userDetailsServices.isEmpty()) {
+					this.logger.warn("Global AuthenticationManager configured with an AuthenticationProvider bean. "
+							+ "UserDetailsService beans will not be used for username/password login. "
+							+ "Consider removing the AuthenticationProvider bean. "
+							+ "Alternatively, consider using the UserDetailsService in a manually instantiated "
+							+ "DaoAuthenticationProvider.");
+				}
 				return;
 			}
-			UserDetailsService userDetailsService = getBeanOrNull(UserDetailsService.class);
-			if (userDetailsService == null) {
+
+			if (userDetailsServices.isEmpty()) {
 				return;
 			}
+			else if (userDetailsServices.size() > 1) {
+				List<String> beanNames = userDetailsServices.stream().map(BeanWithName::getName).toList();
+				this.logger.warn(LogMessage.format("Found %s UserDetailsService beans, with names %s. "
+						+ "Global Authentication Manager will not use a UserDetailsService for username/password login. "
+						+ "Consider publishing a single UserDetailsService bean.", userDetailsServices.size(),
+						beanNames));
+				return;
+			}
+			var userDetailsService = userDetailsServices.get(0).getBean();
+			var userDetailsServiceBeanName = userDetailsServices.get(0).getName();
 			PasswordEncoder passwordEncoder = getBeanOrNull(PasswordEncoder.class);
 			UserDetailsPasswordService passwordManager = getBeanOrNull(UserDetailsPasswordService.class);
-			DaoAuthenticationProvider provider = new DaoAuthenticationProvider();
-			provider.setUserDetailsService(userDetailsService);
+			CompromisedPasswordChecker passwordChecker = getBeanOrNull(CompromisedPasswordChecker.class);
+			DaoAuthenticationProvider provider;
 			if (passwordEncoder != null) {
-				provider.setPasswordEncoder(passwordEncoder);
+				provider = new DaoAuthenticationProvider(passwordEncoder);
 			}
+			else {
+				provider = new DaoAuthenticationProvider();
+			}
+			provider.setUserDetailsService(userDetailsService);
 			if (passwordManager != null) {
 				provider.setUserDetailsPasswordService(passwordManager);
 			}
+			if (passwordChecker != null) {
+				provider.setCompromisedPasswordChecker(passwordChecker);
+			}
 			provider.afterPropertiesSet();
 			auth.authenticationProvider(provider);
+			this.logger.info(LogMessage.format(
+					"Global AuthenticationManager configured with UserDetailsService bean with name %s",
+					userDetailsServiceBeanName));
 		}
 
 		/**
@@ -89,6 +127,41 @@ class InitializeUserDetailsBeanManagerConfigurer extends GlobalAuthenticationCon
 			return InitializeUserDetailsBeanManagerConfigurer.this.context.getBean(beanNames[0], type);
 		}
 
+		/**
+		 * @return a list of beans of the requested class, along with their names. If
+		 * there are no registered beans of that type, the list is empty.
+		 */
+		private <T> List<BeanWithName<T>> getBeansWithName(Class<T> type) {
+			List<BeanWithName<T>> beanWithNames = new ArrayList<>();
+			String[] beanNames = InitializeUserDetailsBeanManagerConfigurer.this.context.getBeanNamesForType(type);
+			for (String beanName : beanNames) {
+				T bean = InitializeUserDetailsBeanManagerConfigurer.this.context.getBean(beanNames[0], type);
+				beanWithNames.add(new BeanWithName<T>(bean, beanName));
+			}
+			return beanWithNames;
+		}
+
+		static class BeanWithName<T> {
+
+			private final T bean;
+
+			private final String name;
+
+			BeanWithName(T bean, String name) {
+				this.bean = bean;
+				this.name = name;
+			}
+
+			T getBean() {
+				return this.bean;
+			}
+
+			String getName() {
+				return this.name;
+			}
+
+		}
+
 	}
 
 }

config/src/main/java/org/springframework/security/config/annotation/method/configuration/AuthorizationProxyConfiguration.java

@@ -0,0 +1,63 @@
+/*
+ * Copyright 2002-2024 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.config.annotation.method.configuration;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.aopalliance.intercept.MethodInterceptor;
+
+import org.springframework.aop.framework.AopInfrastructureBean;
+import org.springframework.beans.factory.ObjectProvider;
+import org.springframework.beans.factory.config.BeanDefinition;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Role;
+import org.springframework.security.authorization.method.AuthorizationAdvisor;
+import org.springframework.security.authorization.method.AuthorizationAdvisorProxyFactory;
+import org.springframework.security.authorization.method.AuthorizeReturnObjectMethodInterceptor;
+import org.springframework.security.config.Customizer;
+
+@Configuration(proxyBeanMethods = false)
+final class AuthorizationProxyConfiguration implements AopInfrastructureBean {
+
+	@Bean
+	@Role(BeanDefinition.ROLE_INFRASTRUCTURE)
+	static AuthorizationAdvisorProxyFactory authorizationProxyFactory(ObjectProvider<AuthorizationAdvisor> provider,
+			ObjectProvider<Customizer<AuthorizationAdvisorProxyFactory>> customizers) {
+		List<AuthorizationAdvisor> advisors = new ArrayList<>();
+		provider.forEach(advisors::add);
+		AuthorizationAdvisorProxyFactory factory = AuthorizationAdvisorProxyFactory.withDefaults();
+		customizers.forEach((c) -> c.customize(factory));
+		factory.setAdvisors(advisors);
+		return factory;
+	}
+
+	@Bean
+	@Role(BeanDefinition.ROLE_INFRASTRUCTURE)
+	static MethodInterceptor authorizeReturnObjectMethodInterceptor(ObjectProvider<AuthorizationAdvisor> provider,
+			AuthorizationAdvisorProxyFactory authorizationProxyFactory) {
+		AuthorizeReturnObjectMethodInterceptor interceptor = new AuthorizeReturnObjectMethodInterceptor(
+				authorizationProxyFactory);
+		List<AuthorizationAdvisor> advisors = new ArrayList<>();
+		provider.forEach(advisors::add);
+		advisors.add(interceptor);
+		authorizationProxyFactory.setAdvisors(advisors);
+		return interceptor;
+	}
+
+}

config/src/main/java/org/springframework/security/config/annotation/method/configuration/DeferringObservationAuthorizationManager.java

@@ -19,18 +19,26 @@ package org.springframework.security.config.annotation.method.configuration;
 import java.util.function.Supplier;
 
 import io.micrometer.observation.ObservationRegistry;
+import org.aopalliance.intercept.MethodInvocation;
 
 import org.springframework.beans.factory.ObjectProvider;
 import org.springframework.security.authorization.AuthorizationDecision;
 import org.springframework.security.authorization.AuthorizationManager;
+import org.springframework.security.authorization.AuthorizationResult;
 import org.springframework.security.authorization.ObservationAuthorizationManager;
+import org.springframework.security.authorization.method.MethodAuthorizationDeniedHandler;
+import org.springframework.security.authorization.method.MethodInvocationResult;
+import org.springframework.security.authorization.method.ThrowingMethodAuthorizationDeniedHandler;
 import org.springframework.security.core.Authentication;
 import org.springframework.util.function.SingletonSupplier;
 
-final class DeferringObservationAuthorizationManager<T> implements AuthorizationManager<T> {
+final class DeferringObservationAuthorizationManager<T>
+		implements AuthorizationManager<T>, MethodAuthorizationDeniedHandler {
 
 	private final Supplier<AuthorizationManager<T>> delegate;
 
+	private MethodAuthorizationDeniedHandler handler = new ThrowingMethodAuthorizationDeniedHandler();
+
 	DeferringObservationAuthorizationManager(ObjectProvider<ObservationRegistry> provider,
 			AuthorizationManager<T> delegate) {
 		this.delegate = SingletonSupplier.of(() -> {
@@ -40,6 +48,9 @@ final class DeferringObservationAuthorizationManager<T> implements Authorization
 			}
 			return new ObservationAuthorizationManager<>(registry, delegate);
 		});
+		if (delegate instanceof MethodAuthorizationDeniedHandler h) {
+			this.handler = h;
+		}
 	}
 
 	@Override
@@ -47,4 +58,15 @@ final class DeferringObservationAuthorizationManager<T> implements Authorization
 		return this.delegate.get().check(authentication, object);
 	}
 
+	@Override
+	public Object handleDeniedInvocation(MethodInvocation methodInvocation, AuthorizationResult authorizationResult) {
+		return this.handler.handleDeniedInvocation(methodInvocation, authorizationResult);
+	}
+
+	@Override
+	public Object handleDeniedInvocationResult(MethodInvocationResult methodInvocationResult,
+			AuthorizationResult authorizationResult) {
+		return this.handler.handleDeniedInvocationResult(methodInvocationResult, authorizationResult);
+	}
+
 }

config/src/main/java/org/springframework/security/config/annotation/method/configuration/DeferringObservationReactiveAuthorizationManager.java

@@ -19,19 +19,27 @@ package org.springframework.security.config.annotation.method.configuration;
 import java.util.function.Supplier;
 
 import io.micrometer.observation.ObservationRegistry;
+import org.aopalliance.intercept.MethodInvocation;
 import reactor.core.publisher.Mono;
 
 import org.springframework.beans.factory.ObjectProvider;
 import org.springframework.security.authorization.AuthorizationDecision;
+import org.springframework.security.authorization.AuthorizationResult;
 import org.springframework.security.authorization.ObservationReactiveAuthorizationManager;
 import org.springframework.security.authorization.ReactiveAuthorizationManager;
+import org.springframework.security.authorization.method.MethodAuthorizationDeniedHandler;
+import org.springframework.security.authorization.method.MethodInvocationResult;
+import org.springframework.security.authorization.method.ThrowingMethodAuthorizationDeniedHandler;
 import org.springframework.security.core.Authentication;
 import org.springframework.util.function.SingletonSupplier;
 
-final class DeferringObservationReactiveAuthorizationManager<T> implements ReactiveAuthorizationManager<T> {
+final class DeferringObservationReactiveAuthorizationManager<T>
+		implements ReactiveAuthorizationManager<T>, MethodAuthorizationDeniedHandler {
 
 	private final Supplier<ReactiveAuthorizationManager<T>> delegate;
 
+	private MethodAuthorizationDeniedHandler handler = new ThrowingMethodAuthorizationDeniedHandler();
+
 	DeferringObservationReactiveAuthorizationManager(ObjectProvider<ObservationRegistry> provider,
 			ReactiveAuthorizationManager<T> delegate) {
 		this.delegate = SingletonSupplier.of(() -> {
@@ -41,6 +49,9 @@ final class DeferringObservationReactiveAuthorizationManager<T> implements React
 			}
 			return new ObservationReactiveAuthorizationManager<>(registry, delegate);
 		});
+		if (delegate instanceof MethodAuthorizationDeniedHandler h) {
+			this.handler = h;
+		}
 	}
 
 	@Override
@@ -48,4 +59,15 @@ final class DeferringObservationReactiveAuthorizationManager<T> implements React
 		return this.delegate.get().check(authentication, object);
 	}
 
+	@Override
+	public Object handleDeniedInvocation(MethodInvocation methodInvocation, AuthorizationResult authorizationResult) {
+		return this.handler.handleDeniedInvocation(methodInvocation, authorizationResult);
+	}
+
+	@Override
+	public Object handleDeniedInvocationResult(MethodInvocationResult methodInvocationResult,
+			AuthorizationResult authorizationResult) {
+		return this.handler.handleDeniedInvocationResult(methodInvocationResult, authorizationResult);
+	}
+
 }

config/src/main/java/org/springframework/security/config/annotation/method/configuration/EnableMethodSecurity.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * Copyright 2002-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -87,4 +87,14 @@ public @interface EnableMethodSecurity {
 	 */
 	AdviceMode mode() default AdviceMode.PROXY;
 
+	/**
+	 * Indicate additional offset in the ordering of the execution of the security
+	 * interceptors when multiple advices are applied at a specific joinpoint. I.e.,
+	 * precedence of each security interceptor enabled by this annotation will be
+	 * calculated as sum of its default precedence and offset. The default is 0.
+	 * @return the offset in the order the security advisor should be applied
+	 * @since 6.3
+	 */
+	int offset() default 0;
+
 }

config/src/main/java/org/springframework/security/config/annotation/method/configuration/Jsr250MethodSecurityConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,11 +20,18 @@ import io.micrometer.observation.ObservationRegistry;
 import org.aopalliance.intercept.MethodInterceptor;
 import org.aopalliance.intercept.MethodInvocation;
 
+import org.springframework.aop.framework.AopInfrastructureBean;
 import org.springframework.beans.factory.ObjectProvider;
 import org.springframework.beans.factory.config.BeanDefinition;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.ImportAware;
 import org.springframework.context.annotation.Role;
+import org.springframework.core.type.AnnotationMetadata;
+import org.springframework.security.access.hierarchicalroles.NullRoleHierarchy;
+import org.springframework.security.access.hierarchicalroles.RoleHierarchy;
+import org.springframework.security.authorization.AuthoritiesAuthorizationManager;
+import org.springframework.security.authorization.AuthorizationEventPublisher;
 import org.springframework.security.authorization.AuthorizationManager;
 import org.springframework.security.authorization.method.AuthorizationManagerBeforeMethodInterceptor;
 import org.springframework.security.authorization.method.Jsr250AuthorizationManager;
@@ -42,15 +49,23 @@ import org.springframework.security.core.context.SecurityContextHolderStrategy;
  */
 @Configuration(proxyBeanMethods = false)
 @Role(BeanDefinition.ROLE_INFRASTRUCTURE)
-final class Jsr250MethodSecurityConfiguration {
+final class Jsr250MethodSecurityConfiguration implements ImportAware, AopInfrastructureBean {
+
+	private int interceptorOrderOffset;
 
 	@Bean
 	@Role(BeanDefinition.ROLE_INFRASTRUCTURE)
 	static MethodInterceptor jsr250AuthorizationMethodInterceptor(
 			ObjectProvider<GrantedAuthorityDefaults> defaultsProvider,
 			ObjectProvider<SecurityContextHolderStrategy> strategyProvider,
-			ObjectProvider<ObservationRegistry> registryProvider) {
+			ObjectProvider<AuthorizationEventPublisher> eventPublisherProvider,
+			ObjectProvider<ObservationRegistry> registryProvider, ObjectProvider<RoleHierarchy> roleHierarchyProvider,
+			Jsr250MethodSecurityConfiguration configuration) {
 		Jsr250AuthorizationManager jsr250 = new Jsr250AuthorizationManager();
+		AuthoritiesAuthorizationManager authoritiesAuthorizationManager = new AuthoritiesAuthorizationManager();
+		RoleHierarchy roleHierarchy = roleHierarchyProvider.getIfAvailable(NullRoleHierarchy::new);
+		authoritiesAuthorizationManager.setRoleHierarchy(roleHierarchy);
+		jsr250.setAuthoritiesAuthorizationManager(authoritiesAuthorizationManager);
 		defaultsProvider.ifAvailable((d) -> jsr250.setRolePrefix(d.getRolePrefix()));
 		SecurityContextHolderStrategy strategy = strategyProvider
 			.getIfAvailable(SecurityContextHolder::getContextHolderStrategy);
@@ -58,8 +73,16 @@ final class Jsr250MethodSecurityConfiguration {
 				registryProvider, jsr250);
 		AuthorizationManagerBeforeMethodInterceptor interceptor = AuthorizationManagerBeforeMethodInterceptor
 			.jsr250(manager);
+		interceptor.setOrder(interceptor.getOrder() + configuration.interceptorOrderOffset);
 		interceptor.setSecurityContextHolderStrategy(strategy);
+		eventPublisherProvider.ifAvailable(interceptor::setAuthorizationEventPublisher);
 		return interceptor;
 	}
 
+	@Override
+	public void setImportMetadata(AnnotationMetadata importMetadata) {
+		EnableMethodSecurity annotation = importMetadata.getAnnotations().get(EnableMethodSecurity.class).synthesize();
+		this.interceptorOrderOffset = annotation.offset();
+	}
+
 }

config/src/main/java/org/springframework/security/config/annotation/method/configuration/MethodSecurityAdvisorRegistrar.java

@@ -33,6 +33,7 @@ class MethodSecurityAdvisorRegistrar implements ImportBeanDefinitionRegistrar {
 		registerAsAdvisor("postAuthorizeAuthorization", registry);
 		registerAsAdvisor("securedAuthorization", registry);
 		registerAsAdvisor("jsr250Authorization", registry);
+		registerAsAdvisor("authorizeReturnObject", registry);
 	}
 
 	private void registerAsAdvisor(String prefix, BeanDefinitionRegistry registry) {

config/src/main/java/org/springframework/security/config/annotation/method/configuration/MethodSecuritySelector.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -56,6 +56,7 @@ final class MethodSecuritySelector implements ImportSelector {
 		if (annotation.jsr250Enabled()) {
 			imports.add(Jsr250MethodSecurityConfiguration.class.getName());
 		}
+		imports.add(AuthorizationProxyConfiguration.class.getName());
 		return imports.toArray(new String[0]);
 	}
 

config/src/main/java/org/springframework/security/config/annotation/method/configuration/PrePostMethodSecurityConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,33 +16,41 @@
 
 package org.springframework.security.config.annotation.method.configuration;
 
+import java.util.function.Consumer;
 import java.util.function.Supplier;
 
 import io.micrometer.observation.ObservationRegistry;
+import org.aopalliance.aop.Advice;
 import org.aopalliance.intercept.MethodInterceptor;
 import org.aopalliance.intercept.MethodInvocation;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
+import org.springframework.aop.Pointcut;
+import org.springframework.aop.framework.AopInfrastructureBean;
 import org.springframework.beans.factory.ObjectProvider;
 import org.springframework.beans.factory.config.BeanDefinition;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.ImportAware;
 import org.springframework.context.annotation.Role;
-import org.springframework.expression.EvaluationContext;
-import org.springframework.expression.Expression;
-import org.springframework.expression.ExpressionParser;
+import org.springframework.core.type.AnnotationMetadata;
 import org.springframework.security.access.expression.method.DefaultMethodSecurityExpressionHandler;
 import org.springframework.security.access.expression.method.MethodSecurityExpressionHandler;
+import org.springframework.security.access.hierarchicalroles.NullRoleHierarchy;
+import org.springframework.security.access.hierarchicalroles.RoleHierarchy;
 import org.springframework.security.authorization.AuthorizationEventPublisher;
 import org.springframework.security.authorization.AuthorizationManager;
+import org.springframework.security.authorization.method.AuthorizationAdvisor;
 import org.springframework.security.authorization.method.AuthorizationManagerAfterMethodInterceptor;
 import org.springframework.security.authorization.method.AuthorizationManagerBeforeMethodInterceptor;
 import org.springframework.security.authorization.method.PostAuthorizeAuthorizationManager;
 import org.springframework.security.authorization.method.PostFilterAuthorizationMethodInterceptor;
 import org.springframework.security.authorization.method.PreAuthorizeAuthorizationManager;
 import org.springframework.security.authorization.method.PreFilterAuthorizationMethodInterceptor;
+import org.springframework.security.authorization.method.PrePostTemplateDefaults;
 import org.springframework.security.config.core.GrantedAuthorityDefaults;
-import org.springframework.security.core.Authentication;
 import org.springframework.security.core.context.SecurityContextHolderStrategy;
 import org.springframework.util.function.SingletonSupplier;
 
@@ -56,73 +64,102 @@ import org.springframework.util.function.SingletonSupplier;
  */
 @Configuration(proxyBeanMethods = false)
 @Role(BeanDefinition.ROLE_INFRASTRUCTURE)
-final class PrePostMethodSecurityConfiguration {
+final class PrePostMethodSecurityConfiguration implements ImportAware, AopInfrastructureBean {
+
+	private int interceptorOrderOffset;
 
 	@Bean
 	@Role(BeanDefinition.ROLE_INFRASTRUCTURE)
 	static MethodInterceptor preFilterAuthorizationMethodInterceptor(
 			ObjectProvider<GrantedAuthorityDefaults> defaultsProvider,
+			ObjectProvider<PrePostTemplateDefaults> methodSecurityDefaultsProvider,
 			ObjectProvider<MethodSecurityExpressionHandler> expressionHandlerProvider,
-			ObjectProvider<SecurityContextHolderStrategy> strategyProvider, ApplicationContext context) {
+			ObjectProvider<SecurityContextHolderStrategy> strategyProvider,
+			ObjectProvider<RoleHierarchy> roleHierarchyProvider, PrePostMethodSecurityConfiguration configuration,
+			ApplicationContext context) {
 		PreFilterAuthorizationMethodInterceptor preFilter = new PreFilterAuthorizationMethodInterceptor();
-		strategyProvider.ifAvailable(preFilter::setSecurityContextHolderStrategy);
-		preFilter.setExpressionHandler(
-				new DeferringMethodSecurityExpressionHandler(expressionHandlerProvider, defaultsProvider, context));
-		return preFilter;
+		preFilter.setOrder(preFilter.getOrder() + configuration.interceptorOrderOffset);
+		return new DeferringMethodInterceptor<>(preFilter, (f) -> {
+			methodSecurityDefaultsProvider.ifAvailable(f::setTemplateDefaults);
+			f.setExpressionHandler(expressionHandlerProvider
+				.getIfAvailable(() -> defaultExpressionHandler(defaultsProvider, roleHierarchyProvider, context)));
+			strategyProvider.ifAvailable(f::setSecurityContextHolderStrategy);
+		});
 	}
 
 	@Bean
 	@Role(BeanDefinition.ROLE_INFRASTRUCTURE)
 	static MethodInterceptor preAuthorizeAuthorizationMethodInterceptor(
 			ObjectProvider<GrantedAuthorityDefaults> defaultsProvider,
+			ObjectProvider<PrePostTemplateDefaults> methodSecurityDefaultsProvider,
 			ObjectProvider<MethodSecurityExpressionHandler> expressionHandlerProvider,
 			ObjectProvider<SecurityContextHolderStrategy> strategyProvider,
 			ObjectProvider<AuthorizationEventPublisher> eventPublisherProvider,
-			ObjectProvider<ObservationRegistry> registryProvider, ApplicationContext context) {
+			ObjectProvider<ObservationRegistry> registryProvider, ObjectProvider<RoleHierarchy> roleHierarchyProvider,
+			PrePostMethodSecurityConfiguration configuration, ApplicationContext context) {
 		PreAuthorizeAuthorizationManager manager = new PreAuthorizeAuthorizationManager();
-		manager.setExpressionHandler(
-				new DeferringMethodSecurityExpressionHandler(expressionHandlerProvider, defaultsProvider, context));
+		manager.setApplicationContext(context);
 		AuthorizationManagerBeforeMethodInterceptor preAuthorize = AuthorizationManagerBeforeMethodInterceptor
 			.preAuthorize(manager(manager, registryProvider));
-		strategyProvider.ifAvailable(preAuthorize::setSecurityContextHolderStrategy);
-		eventPublisherProvider.ifAvailable(preAuthorize::setAuthorizationEventPublisher);
-		return preAuthorize;
+		preAuthorize.setOrder(preAuthorize.getOrder() + configuration.interceptorOrderOffset);
+		return new DeferringMethodInterceptor<>(preAuthorize, (f) -> {
+			methodSecurityDefaultsProvider.ifAvailable(manager::setTemplateDefaults);
+			manager.setExpressionHandler(expressionHandlerProvider
+				.getIfAvailable(() -> defaultExpressionHandler(defaultsProvider, roleHierarchyProvider, context)));
+			strategyProvider.ifAvailable(f::setSecurityContextHolderStrategy);
+			eventPublisherProvider.ifAvailable(f::setAuthorizationEventPublisher);
+		});
 	}
 
 	@Bean
 	@Role(BeanDefinition.ROLE_INFRASTRUCTURE)
 	static MethodInterceptor postAuthorizeAuthorizationMethodInterceptor(
 			ObjectProvider<GrantedAuthorityDefaults> defaultsProvider,
+			ObjectProvider<PrePostTemplateDefaults> methodSecurityDefaultsProvider,
 			ObjectProvider<MethodSecurityExpressionHandler> expressionHandlerProvider,
 			ObjectProvider<SecurityContextHolderStrategy> strategyProvider,
 			ObjectProvider<AuthorizationEventPublisher> eventPublisherProvider,
-			ObjectProvider<ObservationRegistry> registryProvider, ApplicationContext context) {
+			ObjectProvider<ObservationRegistry> registryProvider, ObjectProvider<RoleHierarchy> roleHierarchyProvider,
+			PrePostMethodSecurityConfiguration configuration, ApplicationContext context) {
 		PostAuthorizeAuthorizationManager manager = new PostAuthorizeAuthorizationManager();
-		manager.setExpressionHandler(
-				new DeferringMethodSecurityExpressionHandler(expressionHandlerProvider, defaultsProvider, context));
+		manager.setApplicationContext(context);
 		AuthorizationManagerAfterMethodInterceptor postAuthorize = AuthorizationManagerAfterMethodInterceptor
 			.postAuthorize(manager(manager, registryProvider));
-		strategyProvider.ifAvailable(postAuthorize::setSecurityContextHolderStrategy);
-		eventPublisherProvider.ifAvailable(postAuthorize::setAuthorizationEventPublisher);
-		return postAuthorize;
+		postAuthorize.setOrder(postAuthorize.getOrder() + configuration.interceptorOrderOffset);
+		return new DeferringMethodInterceptor<>(postAuthorize, (f) -> {
+			methodSecurityDefaultsProvider.ifAvailable(manager::setTemplateDefaults);
+			manager.setExpressionHandler(expressionHandlerProvider
+				.getIfAvailable(() -> defaultExpressionHandler(defaultsProvider, roleHierarchyProvider, context)));
+			strategyProvider.ifAvailable(f::setSecurityContextHolderStrategy);
+			eventPublisherProvider.ifAvailable(f::setAuthorizationEventPublisher);
+		});
 	}
 
 	@Bean
 	@Role(BeanDefinition.ROLE_INFRASTRUCTURE)
 	static MethodInterceptor postFilterAuthorizationMethodInterceptor(
 			ObjectProvider<GrantedAuthorityDefaults> defaultsProvider,
+			ObjectProvider<PrePostTemplateDefaults> methodSecurityDefaultsProvider,
 			ObjectProvider<MethodSecurityExpressionHandler> expressionHandlerProvider,
-			ObjectProvider<SecurityContextHolderStrategy> strategyProvider, ApplicationContext context) {
+			ObjectProvider<SecurityContextHolderStrategy> strategyProvider,
+			ObjectProvider<RoleHierarchy> roleHierarchyProvider, PrePostMethodSecurityConfiguration configuration,
+			ApplicationContext context) {
 		PostFilterAuthorizationMethodInterceptor postFilter = new PostFilterAuthorizationMethodInterceptor();
-		strategyProvider.ifAvailable(postFilter::setSecurityContextHolderStrategy);
-		postFilter.setExpressionHandler(
-				new DeferringMethodSecurityExpressionHandler(expressionHandlerProvider, defaultsProvider, context));
-		return postFilter;
+		postFilter.setOrder(postFilter.getOrder() + configuration.interceptorOrderOffset);
+		return new DeferringMethodInterceptor<>(postFilter, (f) -> {
+			methodSecurityDefaultsProvider.ifAvailable(f::setTemplateDefaults);
+			f.setExpressionHandler(expressionHandlerProvider
+				.getIfAvailable(() -> defaultExpressionHandler(defaultsProvider, roleHierarchyProvider, context)));
+			strategyProvider.ifAvailable(f::setSecurityContextHolderStrategy);
+		});
 	}
 
 	private static MethodSecurityExpressionHandler defaultExpressionHandler(
-			ObjectProvider<GrantedAuthorityDefaults> defaultsProvider, ApplicationContext context) {
+			ObjectProvider<GrantedAuthorityDefaults> defaultsProvider,
+			ObjectProvider<RoleHierarchy> roleHierarchyProvider, ApplicationContext context) {
 		DefaultMethodSecurityExpressionHandler handler = new DefaultMethodSecurityExpressionHandler();
+		RoleHierarchy roleHierarchy = roleHierarchyProvider.getIfAvailable(NullRoleHierarchy::new);
+		handler.setRoleHierarchy(roleHierarchy);
 		defaultsProvider.ifAvailable((d) -> handler.setDefaultRolePrefix(d.getRolePrefix()));
 		handler.setApplicationContext(context);
 		return handler;
@@ -133,41 +170,54 @@ final class PrePostMethodSecurityConfiguration {
 		return new DeferringObservationAuthorizationManager<>(registryProvider, delegate);
 	}
 
-	private static final class DeferringMethodSecurityExpressionHandler implements MethodSecurityExpressionHandler {
+	@Override
+	public void setImportMetadata(AnnotationMetadata importMetadata) {
+		EnableMethodSecurity annotation = importMetadata.getAnnotations().get(EnableMethodSecurity.class).synthesize();
+		this.interceptorOrderOffset = annotation.offset();
+	}
 
-		private final Supplier<MethodSecurityExpressionHandler> expressionHandler;
+	private static final class DeferringMethodInterceptor<M extends AuthorizationAdvisor>
+			implements AuthorizationAdvisor {
 
-		private DeferringMethodSecurityExpressionHandler(
-				ObjectProvider<MethodSecurityExpressionHandler> expressionHandlerProvider,
-				ObjectProvider<GrantedAuthorityDefaults> defaultsProvider, ApplicationContext applicationContext) {
-			this.expressionHandler = SingletonSupplier.of(() -> expressionHandlerProvider
-				.getIfAvailable(() -> defaultExpressionHandler(defaultsProvider, applicationContext)));
+		private final Pointcut pointcut;
+
+		private final int order;
+
+		private final Supplier<M> delegate;
+
+		DeferringMethodInterceptor(M delegate, Consumer<M> supplier) {
+			this.pointcut = delegate.getPointcut();
+			this.order = delegate.getOrder();
+			this.delegate = SingletonSupplier.of(() -> {
+				supplier.accept(delegate);
+				return delegate;
+			});
+		}
+
+		@Nullable
+		@Override
+		public Object invoke(@NotNull MethodInvocation invocation) throws Throwable {
+			return this.delegate.get().invoke(invocation);
 		}
 
 		@Override
-		public ExpressionParser getExpressionParser() {
-			return this.expressionHandler.get().getExpressionParser();
+		public Pointcut getPointcut() {
+			return this.pointcut;
 		}
 
 		@Override
-		public EvaluationContext createEvaluationContext(Authentication authentication, MethodInvocation invocation) {
-			return this.expressionHandler.get().createEvaluationContext(authentication, invocation);
+		public Advice getAdvice() {
+			return this;
 		}
 
 		@Override
-		public EvaluationContext createEvaluationContext(Supplier<Authentication> authentication,
-				MethodInvocation invocation) {
-			return this.expressionHandler.get().createEvaluationContext(authentication, invocation);
+		public int getOrder() {
+			return this.order;
 		}
 
 		@Override
-		public Object filter(Object filterTarget, Expression filterExpression, EvaluationContext ctx) {
-			return this.expressionHandler.get().filter(filterTarget, filterExpression, ctx);
-		}
-
-		@Override
-		public void setReturnObject(Object returnObject, EvaluationContext ctx) {
-			this.expressionHandler.get().setReturnObject(returnObject, ctx);
+		public boolean isPerInstance() {
+			return true;
 		}
 
 	}

config/src/main/java/org/springframework/security/config/annotation/method/configuration/ReactiveAuthorizationManagerMethodSecurityConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,12 +16,22 @@
 
 package org.springframework.security.config.annotation.method.configuration;
 
-import io.micrometer.observation.ObservationRegistry;
-import org.aopalliance.intercept.MethodInvocation;
+import java.util.function.Consumer;
+import java.util.function.Supplier;
 
+import io.micrometer.observation.ObservationRegistry;
+import org.aopalliance.aop.Advice;
+import org.aopalliance.intercept.MethodInterceptor;
+import org.aopalliance.intercept.MethodInvocation;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import org.springframework.aop.Pointcut;
+import org.springframework.aop.framework.AopInfrastructureBean;
 import org.springframework.beans.factory.ObjectProvider;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.config.BeanDefinition;
+import org.springframework.context.ApplicationContext;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.Role;
@@ -29,6 +39,7 @@ import org.springframework.security.access.expression.method.DefaultMethodSecuri
 import org.springframework.security.access.expression.method.MethodSecurityExpressionHandler;
 import org.springframework.security.authentication.ReactiveAuthenticationManager;
 import org.springframework.security.authorization.ReactiveAuthorizationManager;
+import org.springframework.security.authorization.method.AuthorizationAdvisor;
 import org.springframework.security.authorization.method.AuthorizationManagerAfterReactiveMethodInterceptor;
 import org.springframework.security.authorization.method.AuthorizationManagerBeforeReactiveMethodInterceptor;
 import org.springframework.security.authorization.method.MethodInvocationResult;
@@ -36,7 +47,9 @@ import org.springframework.security.authorization.method.PostAuthorizeReactiveAu
 import org.springframework.security.authorization.method.PostFilterAuthorizationReactiveMethodInterceptor;
 import org.springframework.security.authorization.method.PreAuthorizeReactiveAuthorizationManager;
 import org.springframework.security.authorization.method.PreFilterAuthorizationReactiveMethodInterceptor;
+import org.springframework.security.authorization.method.PrePostTemplateDefaults;
 import org.springframework.security.config.core.GrantedAuthorityDefaults;
+import org.springframework.util.function.SingletonSupplier;
 
 /**
  * Configuration for a {@link ReactiveAuthenticationManager} based Method Security.
@@ -45,38 +58,58 @@ import org.springframework.security.config.core.GrantedAuthorityDefaults;
  * @since 5.8
  */
 @Configuration(proxyBeanMethods = false)
-final class ReactiveAuthorizationManagerMethodSecurityConfiguration {
+final class ReactiveAuthorizationManagerMethodSecurityConfiguration implements AopInfrastructureBean {
 
 	@Bean
 	@Role(BeanDefinition.ROLE_INFRASTRUCTURE)
-	static PreFilterAuthorizationReactiveMethodInterceptor preFilterInterceptor(
-			MethodSecurityExpressionHandler expressionHandler) {
-		return new PreFilterAuthorizationReactiveMethodInterceptor(expressionHandler);
+	static MethodInterceptor preFilterAuthorizationMethodInterceptor(MethodSecurityExpressionHandler expressionHandler,
+			ObjectProvider<PrePostTemplateDefaults> defaultsObjectProvider) {
+		PreFilterAuthorizationReactiveMethodInterceptor interceptor = new PreFilterAuthorizationReactiveMethodInterceptor(
+				expressionHandler);
+		return new DeferringMethodInterceptor<>(interceptor,
+				(i) -> defaultsObjectProvider.ifAvailable(i::setTemplateDefaults));
 	}
 
 	@Bean
 	@Role(BeanDefinition.ROLE_INFRASTRUCTURE)
-	static AuthorizationManagerBeforeReactiveMethodInterceptor preAuthorizeInterceptor(
-			MethodSecurityExpressionHandler expressionHandler, ObjectProvider<ObservationRegistry> registryProvider) {
-		ReactiveAuthorizationManager<MethodInvocation> authorizationManager = manager(
-				new PreAuthorizeReactiveAuthorizationManager(expressionHandler), registryProvider);
-		return AuthorizationManagerBeforeReactiveMethodInterceptor.preAuthorize(authorizationManager);
+	static MethodInterceptor preAuthorizeAuthorizationMethodInterceptor(
+			MethodSecurityExpressionHandler expressionHandler,
+			ObjectProvider<PrePostTemplateDefaults> defaultsObjectProvider,
+			ObjectProvider<ObservationRegistry> registryProvider, ApplicationContext context) {
+		PreAuthorizeReactiveAuthorizationManager manager = new PreAuthorizeReactiveAuthorizationManager(
+				expressionHandler);
+		manager.setApplicationContext(context);
+		ReactiveAuthorizationManager<MethodInvocation> authorizationManager = manager(manager, registryProvider);
+		AuthorizationAdvisor interceptor = AuthorizationManagerBeforeReactiveMethodInterceptor
+			.preAuthorize(authorizationManager);
+		return new DeferringMethodInterceptor<>(interceptor,
+				(i) -> defaultsObjectProvider.ifAvailable(manager::setTemplateDefaults));
 	}
 
 	@Bean
 	@Role(BeanDefinition.ROLE_INFRASTRUCTURE)
-	static PostFilterAuthorizationReactiveMethodInterceptor postFilterInterceptor(
-			MethodSecurityExpressionHandler expressionHandler) {
-		return new PostFilterAuthorizationReactiveMethodInterceptor(expressionHandler);
+	static MethodInterceptor postFilterAuthorizationMethodInterceptor(MethodSecurityExpressionHandler expressionHandler,
+			ObjectProvider<PrePostTemplateDefaults> defaultsObjectProvider) {
+		PostFilterAuthorizationReactiveMethodInterceptor interceptor = new PostFilterAuthorizationReactiveMethodInterceptor(
+				expressionHandler);
+		return new DeferringMethodInterceptor<>(interceptor,
+				(i) -> defaultsObjectProvider.ifAvailable(i::setTemplateDefaults));
 	}
 
 	@Bean
 	@Role(BeanDefinition.ROLE_INFRASTRUCTURE)
-	static AuthorizationManagerAfterReactiveMethodInterceptor postAuthorizeInterceptor(
-			MethodSecurityExpressionHandler expressionHandler, ObjectProvider<ObservationRegistry> registryProvider) {
-		ReactiveAuthorizationManager<MethodInvocationResult> authorizationManager = manager(
-				new PostAuthorizeReactiveAuthorizationManager(expressionHandler), registryProvider);
-		return AuthorizationManagerAfterReactiveMethodInterceptor.postAuthorize(authorizationManager);
+	static MethodInterceptor postAuthorizeAuthorizationMethodInterceptor(
+			MethodSecurityExpressionHandler expressionHandler,
+			ObjectProvider<PrePostTemplateDefaults> defaultsObjectProvider,
+			ObjectProvider<ObservationRegistry> registryProvider, ApplicationContext context) {
+		PostAuthorizeReactiveAuthorizationManager manager = new PostAuthorizeReactiveAuthorizationManager(
+				expressionHandler);
+		manager.setApplicationContext(context);
+		ReactiveAuthorizationManager<MethodInvocationResult> authorizationManager = manager(manager, registryProvider);
+		AuthorizationAdvisor interceptor = AuthorizationManagerAfterReactiveMethodInterceptor
+			.postAuthorize(authorizationManager);
+		return new DeferringMethodInterceptor<>(interceptor,
+				(i) -> defaultsObjectProvider.ifAvailable(manager::setTemplateDefaults));
 	}
 
 	@Bean
@@ -95,4 +128,50 @@ final class ReactiveAuthorizationManagerMethodSecurityConfiguration {
 		return new DeferringObservationReactiveAuthorizationManager<>(registryProvider, delegate);
 	}
 
+	private static final class DeferringMethodInterceptor<M extends AuthorizationAdvisor>
+			implements AuthorizationAdvisor {
+
+		private final Pointcut pointcut;
+
+		private final int order;
+
+		private final Supplier<M> delegate;
+
+		DeferringMethodInterceptor(M delegate, Consumer<M> supplier) {
+			this.pointcut = delegate.getPointcut();
+			this.order = delegate.getOrder();
+			this.delegate = SingletonSupplier.of(() -> {
+				supplier.accept(delegate);
+				return delegate;
+			});
+		}
+
+		@Nullable
+		@Override
+		public Object invoke(@NotNull MethodInvocation invocation) throws Throwable {
+			return this.delegate.get().invoke(invocation);
+		}
+
+		@Override
+		public Pointcut getPointcut() {
+			return this.pointcut;
+		}
+
+		@Override
+		public Advice getAdvice() {
+			return this;
+		}
+
+		@Override
+		public int getOrder() {
+			return this.order;
+		}
+
+		@Override
+		public boolean isPerInstance() {
+			return true;
+		}
+
+	}
+
 }

config/src/main/java/org/springframework/security/config/annotation/method/configuration/ReactiveAuthorizationProxyConfiguration.java

@@ -0,0 +1,63 @@
+/*
+ * Copyright 2002-2024 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.config.annotation.method.configuration;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.aopalliance.intercept.MethodInterceptor;
+
+import org.springframework.aop.framework.AopInfrastructureBean;
+import org.springframework.beans.factory.ObjectProvider;
+import org.springframework.beans.factory.config.BeanDefinition;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Role;
+import org.springframework.security.authorization.method.AuthorizationAdvisor;
+import org.springframework.security.authorization.method.AuthorizationAdvisorProxyFactory;
+import org.springframework.security.authorization.method.AuthorizeReturnObjectMethodInterceptor;
+import org.springframework.security.config.Customizer;
+
+@Configuration(proxyBeanMethods = false)
+final class ReactiveAuthorizationProxyConfiguration implements AopInfrastructureBean {
+
+	@Bean
+	@Role(BeanDefinition.ROLE_INFRASTRUCTURE)
+	static AuthorizationAdvisorProxyFactory authorizationProxyFactory(ObjectProvider<AuthorizationAdvisor> provider,
+			ObjectProvider<Customizer<AuthorizationAdvisorProxyFactory>> customizers) {
+		List<AuthorizationAdvisor> advisors = new ArrayList<>();
+		provider.forEach(advisors::add);
+		AuthorizationAdvisorProxyFactory factory = AuthorizationAdvisorProxyFactory.withReactiveDefaults();
+		customizers.forEach((c) -> c.customize(factory));
+		factory.setAdvisors(advisors);
+		return factory;
+	}
+
+	@Bean
+	@Role(BeanDefinition.ROLE_INFRASTRUCTURE)
+	static MethodInterceptor authorizeReturnObjectMethodInterceptor(ObjectProvider<AuthorizationAdvisor> provider,
+			AuthorizationAdvisorProxyFactory authorizationProxyFactory) {
+		AuthorizeReturnObjectMethodInterceptor interceptor = new AuthorizeReturnObjectMethodInterceptor(
+				authorizationProxyFactory);
+		List<AuthorizationAdvisor> advisors = new ArrayList<>();
+		provider.forEach(advisors::add);
+		advisors.add(interceptor);
+		authorizationProxyFactory.setAdvisors(advisors);
+		return interceptor;
+	}
+
+}

config/src/main/java/org/springframework/security/config/annotation/method/configuration/ReactiveMethodSecuritySelector.java

@@ -51,13 +51,15 @@ class ReactiveMethodSecuritySelector implements ImportSelector {
 		else {
 			imports.add(ReactiveMethodSecurityConfiguration.class.getName());
 		}
+		imports.add(ReactiveAuthorizationProxyConfiguration.class.getName());
 		return imports.toArray(new String[0]);
 	}
 
 	private static final class AutoProxyRegistrarSelector
 			extends AdviceModeImportSelector<EnableReactiveMethodSecurity> {
 
-		private static final String[] IMPORTS = new String[] { AutoProxyRegistrar.class.getName() };
+		private static final String[] IMPORTS = new String[] { AutoProxyRegistrar.class.getName(),
+				MethodSecurityAdvisorRegistrar.class.getName() };
 
 		@Override
 		protected String[] selectImports(@NonNull AdviceMode adviceMode) {

config/src/main/java/org/springframework/security/config/annotation/method/configuration/SecuredMethodSecurityConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,12 +20,19 @@ import io.micrometer.observation.ObservationRegistry;
 import org.aopalliance.intercept.MethodInterceptor;
 import org.aopalliance.intercept.MethodInvocation;
 
+import org.springframework.aop.framework.AopInfrastructureBean;
 import org.springframework.beans.factory.ObjectProvider;
 import org.springframework.beans.factory.config.BeanDefinition;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.ImportAware;
 import org.springframework.context.annotation.Role;
+import org.springframework.core.type.AnnotationMetadata;
 import org.springframework.security.access.annotation.Secured;
+import org.springframework.security.access.hierarchicalroles.NullRoleHierarchy;
+import org.springframework.security.access.hierarchicalroles.RoleHierarchy;
+import org.springframework.security.authorization.AuthoritiesAuthorizationManager;
+import org.springframework.security.authorization.AuthorizationEventPublisher;
 import org.springframework.security.authorization.AuthorizationManager;
 import org.springframework.security.authorization.method.AuthorizationManagerBeforeMethodInterceptor;
 import org.springframework.security.authorization.method.SecuredAuthorizationManager;
@@ -42,22 +49,38 @@ import org.springframework.security.core.context.SecurityContextHolderStrategy;
  */
 @Configuration(proxyBeanMethods = false)
 @Role(BeanDefinition.ROLE_INFRASTRUCTURE)
-final class SecuredMethodSecurityConfiguration {
+final class SecuredMethodSecurityConfiguration implements ImportAware, AopInfrastructureBean {
+
+	private int interceptorOrderOffset;
 
 	@Bean
 	@Role(BeanDefinition.ROLE_INFRASTRUCTURE)
 	static MethodInterceptor securedAuthorizationMethodInterceptor(
 			ObjectProvider<SecurityContextHolderStrategy> strategyProvider,
-			ObjectProvider<ObservationRegistry> registryProvider) {
+			ObjectProvider<AuthorizationEventPublisher> eventPublisherProvider,
+			ObjectProvider<ObservationRegistry> registryProvider, ObjectProvider<RoleHierarchy> roleHierarchyProvider,
+			SecuredMethodSecurityConfiguration configuration) {
 		SecuredAuthorizationManager secured = new SecuredAuthorizationManager();
+		AuthoritiesAuthorizationManager authoritiesAuthorizationManager = new AuthoritiesAuthorizationManager();
+		RoleHierarchy roleHierarchy = roleHierarchyProvider.getIfAvailable(NullRoleHierarchy::new);
+		authoritiesAuthorizationManager.setRoleHierarchy(roleHierarchy);
+		secured.setAuthoritiesAuthorizationManager(authoritiesAuthorizationManager);
 		SecurityContextHolderStrategy strategy = strategyProvider
 			.getIfAvailable(SecurityContextHolder::getContextHolderStrategy);
 		AuthorizationManager<MethodInvocation> manager = new DeferringObservationAuthorizationManager<>(
 				registryProvider, secured);
 		AuthorizationManagerBeforeMethodInterceptor interceptor = AuthorizationManagerBeforeMethodInterceptor
 			.secured(manager);
+		interceptor.setOrder(interceptor.getOrder() + configuration.interceptorOrderOffset);
 		interceptor.setSecurityContextHolderStrategy(strategy);
+		eventPublisherProvider.ifAvailable(interceptor::setAuthorizationEventPublisher);
 		return interceptor;
 	}
 
+	@Override
+	public void setImportMetadata(AnnotationMetadata importMetadata) {
+		EnableMethodSecurity annotation = importMetadata.getAnnotations().get(EnableMethodSecurity.class).synthesize();
+		this.interceptorOrderOffset = annotation.offset();
+	}
+
 }

config/src/main/java/org/springframework/security/config/annotation/web/configuration/OAuth2ClientConfiguration.java

@@ -51,11 +51,13 @@ import org.springframework.security.oauth2.client.OAuth2AuthorizedClientManager;
 import org.springframework.security.oauth2.client.OAuth2AuthorizedClientProvider;
 import org.springframework.security.oauth2.client.PasswordOAuth2AuthorizedClientProvider;
 import org.springframework.security.oauth2.client.RefreshTokenOAuth2AuthorizedClientProvider;
+import org.springframework.security.oauth2.client.TokenExchangeOAuth2AuthorizedClientProvider;
 import org.springframework.security.oauth2.client.endpoint.JwtBearerGrantRequest;
 import org.springframework.security.oauth2.client.endpoint.OAuth2AccessTokenResponseClient;
 import org.springframework.security.oauth2.client.endpoint.OAuth2ClientCredentialsGrantRequest;
 import org.springframework.security.oauth2.client.endpoint.OAuth2PasswordGrantRequest;
 import org.springframework.security.oauth2.client.endpoint.OAuth2RefreshTokenGrantRequest;
+import org.springframework.security.oauth2.client.endpoint.TokenExchangeGrantRequest;
 import org.springframework.security.oauth2.client.registration.ClientRegistrationRepository;
 import org.springframework.security.oauth2.client.web.DefaultOAuth2AuthorizedClientManager;
 import org.springframework.security.oauth2.client.web.OAuth2AuthorizedClientRepository;
@@ -183,7 +185,8 @@ final class OAuth2ClientConfiguration {
 				RefreshTokenOAuth2AuthorizedClientProvider.class,
 				ClientCredentialsOAuth2AuthorizedClientProvider.class,
 				PasswordOAuth2AuthorizedClientProvider.class,
-				JwtBearerOAuth2AuthorizedClientProvider.class
+				JwtBearerOAuth2AuthorizedClientProvider.class,
+				TokenExchangeOAuth2AuthorizedClientProvider.class
 		);
 		// @formatter:on
 
@@ -255,6 +258,12 @@ final class OAuth2ClientConfiguration {
 					authorizedClientProviders.add(jwtBearerAuthorizedClientProvider);
 				}
 
+				OAuth2AuthorizedClientProvider tokenExchangeAuthorizedClientProvider = getTokenExchangeAuthorizedClientProvider(
+						authorizedClientProviderBeans);
+				if (tokenExchangeAuthorizedClientProvider != null) {
+					authorizedClientProviders.add(tokenExchangeAuthorizedClientProvider);
+				}
+
 				authorizedClientProviders.addAll(getAdditionalAuthorizedClientProviders(authorizedClientProviderBeans));
 				authorizedClientProvider = new DelegatingOAuth2AuthorizedClientProvider(authorizedClientProviders);
 			}
@@ -364,6 +373,25 @@ final class OAuth2ClientConfiguration {
 			return authorizedClientProvider;
 		}
 
+		private OAuth2AuthorizedClientProvider getTokenExchangeAuthorizedClientProvider(
+				Collection<OAuth2AuthorizedClientProvider> authorizedClientProviders) {
+			TokenExchangeOAuth2AuthorizedClientProvider authorizedClientProvider = getAuthorizedClientProviderByType(
+					authorizedClientProviders, TokenExchangeOAuth2AuthorizedClientProvider.class);
+
+			OAuth2AccessTokenResponseClient<TokenExchangeGrantRequest> accessTokenResponseClient = getBeanOfType(
+					ResolvableType.forClassWithGenerics(OAuth2AccessTokenResponseClient.class,
+							TokenExchangeGrantRequest.class));
+			if (accessTokenResponseClient != null) {
+				if (authorizedClientProvider == null) {
+					authorizedClientProvider = new TokenExchangeOAuth2AuthorizedClientProvider();
+				}
+
+				authorizedClientProvider.setAccessTokenResponseClient(accessTokenResponseClient);
+			}
+
+			return authorizedClientProvider;
+		}
+
 		private List<OAuth2AuthorizedClientProvider> getAdditionalAuthorizedClientProviders(
 				Collection<OAuth2AuthorizedClientProvider> authorizedClientProviders) {
 			List<OAuth2AuthorizedClientProvider> additionalAuthorizedClientProviders = new ArrayList<>(

config/src/main/java/org/springframework/security/config/annotation/web/configurers/AuthorizeHttpRequestsConfigurer.java

@@ -17,6 +17,7 @@
 package org.springframework.security.config.annotation.web.configurers;
 
 import java.util.List;
+import java.util.function.Function;
 import java.util.function.Supplier;
 
 import io.micrometer.observation.ObservationRegistry;
@@ -30,12 +31,14 @@ import org.springframework.security.authorization.AuthorityAuthorizationManager;
 import org.springframework.security.authorization.AuthorizationDecision;
 import org.springframework.security.authorization.AuthorizationEventPublisher;
 import org.springframework.security.authorization.AuthorizationManager;
+import org.springframework.security.authorization.AuthorizationManagers;
 import org.springframework.security.authorization.ObservationAuthorizationManager;
 import org.springframework.security.authorization.SpringAuthorizationEventPublisher;
 import org.springframework.security.config.annotation.ObjectPostProcessor;
 import org.springframework.security.config.annotation.web.AbstractRequestMatcherRegistry;
 import org.springframework.security.config.annotation.web.HttpSecurityBuilder;
 import org.springframework.security.config.core.GrantedAuthorityDefaults;
+import org.springframework.security.core.Authentication;
 import org.springframework.security.web.access.intercept.AuthorizationFilter;
 import org.springframework.security.web.access.intercept.RequestAuthorizationContext;
 import org.springframework.security.web.access.intercept.RequestMatcherDelegatingAuthorizationManager;
@@ -244,11 +247,14 @@ public final class AuthorizeHttpRequestsConfigurer<H extends HttpSecurityBuilder
 	 * {@link RequestMatcher}s.
 	 *
 	 * @author Evgeniy Cheban
+	 * @author Josh Cummings
 	 */
 	public class AuthorizedUrl {
 
 		private final List<? extends RequestMatcher> matchers;
 
+		private boolean not;
+
 		/**
 		 * Creates an instance.
 		 * @param matchers the {@link RequestMatcher} instances to map
@@ -261,6 +267,16 @@ public final class AuthorizeHttpRequestsConfigurer<H extends HttpSecurityBuilder
 			return this.matchers;
 		}
 
+		/**
+		 * Negates the following authorization rule.
+		 * @return the {@link AuthorizedUrl} for further customization
+		 * @since 6.3
+		 */
+		public AuthorizedUrl not() {
+			this.not = true;
+			return this;
+		}
+
 		/**
 		 * Specify that URLs are allowed by anyone.
 		 * @return the {@link AuthorizationManagerRequestMatcherRegistry} for further
@@ -373,6 +389,21 @@ public final class AuthorizeHttpRequestsConfigurer<H extends HttpSecurityBuilder
 			return access(AuthenticatedAuthorizationManager.anonymous());
 		}
 
+		/**
+		 * Specify that a path variable in URL to be compared.
+		 *
+		 * <p>
+		 * For example, <pre>
+		 * requestMatchers("/user/{username}").hasVariable("username").equalTo(Authentication::getName)
+		 * </pre>
+		 * @param variable the variable in URL template to compare.
+		 * @return {@link AuthorizedUrlVariable} for further customization.
+		 * @since 6.3
+		 */
+		public AuthorizedUrlVariable hasVariable(String variable) {
+			return new AuthorizedUrlVariable(variable);
+		}
+
 		/**
 		 * Allows specifying a custom {@link AuthorizationManager}.
 		 * @param manager the {@link AuthorizationManager} to use
@@ -382,7 +413,44 @@ public final class AuthorizeHttpRequestsConfigurer<H extends HttpSecurityBuilder
 		public AuthorizationManagerRequestMatcherRegistry access(
 				AuthorizationManager<RequestAuthorizationContext> manager) {
 			Assert.notNull(manager, "manager cannot be null");
-			return AuthorizeHttpRequestsConfigurer.this.addMapping(this.matchers, manager);
+			return (this.not)
+					? AuthorizeHttpRequestsConfigurer.this.addMapping(this.matchers, AuthorizationManagers.not(manager))
+					: AuthorizeHttpRequestsConfigurer.this.addMapping(this.matchers, manager);
+		}
+
+		/**
+		 * An object that allows configuring {@link RequestMatcher}s with URI path
+		 * variables
+		 *
+		 * @author Taehong Kim
+		 * @since 6.3
+		 */
+		public final class AuthorizedUrlVariable {
+
+			private final String variable;
+
+			private AuthorizedUrlVariable(String variable) {
+				this.variable = variable;
+			}
+
+			/**
+			 * Compares the value of a path variable in the URI with an `Authentication`
+			 * attribute
+			 * <p>
+			 * For example, <pre>
+			 * requestMatchers("/user/{username}").hasVariable("username").equalTo(Authentication::getName));
+			 * </pre>
+			 * @param function a function to get value from {@link Authentication}.
+			 * @return the {@link AuthorizationManagerRequestMatcherRegistry} for further
+			 * customization.
+			 */
+			public AuthorizationManagerRequestMatcherRegistry equalTo(Function<Authentication, String> function) {
+				return access((auth, requestContext) -> {
+					String value = requestContext.getVariables().get(this.variable);
+					return new AuthorizationDecision(function.apply(auth.get()).equals(value));
+				});
+			}
+
 		}
 
 	}

config/src/main/java/org/springframework/security/config/annotation/web/configurers/oauth2/client/DefaultOidcLogoutTokenValidatorFactory.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -19,17 +19,15 @@ package org.springframework.security.config.annotation.web.configurers.oauth2.cl
 import java.util.function.Function;
 
 import org.springframework.security.oauth2.client.registration.ClientRegistration;
-import org.springframework.security.oauth2.core.DelegatingOAuth2TokenValidator;
 import org.springframework.security.oauth2.core.OAuth2TokenValidator;
 import org.springframework.security.oauth2.jwt.Jwt;
-import org.springframework.security.oauth2.jwt.JwtTimestampValidator;
+import org.springframework.security.oauth2.jwt.JwtValidators;
 
 final class DefaultOidcLogoutTokenValidatorFactory implements Function<ClientRegistration, OAuth2TokenValidator<Jwt>> {
 
 	@Override
 	public OAuth2TokenValidator<Jwt> apply(ClientRegistration clientRegistration) {
-		return new DelegatingOAuth2TokenValidator<>(new JwtTimestampValidator(),
-				new OidcBackChannelLogoutTokenValidator(clientRegistration));
+		return JwtValidators.createDefaultWithValidators(new OidcBackChannelLogoutTokenValidator(clientRegistration));
 	}
 
 }

config/src/main/java/org/springframework/security/config/annotation/web/reactive/ReactiveOAuth2ClientConfiguration.java

@@ -0,0 +1,413 @@
+/*
+ * Copyright 2002-2024 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.config.annotation.web.reactive;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.Set;
+import java.util.function.Consumer;
+
+import org.springframework.beans.BeansException;
+import org.springframework.beans.factory.BeanFactory;
+import org.springframework.beans.factory.BeanFactoryAware;
+import org.springframework.beans.factory.BeanFactoryUtils;
+import org.springframework.beans.factory.BeanInitializationException;
+import org.springframework.beans.factory.ListableBeanFactory;
+import org.springframework.beans.factory.NoSuchBeanDefinitionException;
+import org.springframework.beans.factory.ObjectProvider;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.config.BeanDefinition;
+import org.springframework.beans.factory.support.BeanDefinitionBuilder;
+import org.springframework.beans.factory.support.BeanDefinitionRegistry;
+import org.springframework.beans.factory.support.BeanDefinitionRegistryPostProcessor;
+import org.springframework.context.annotation.AnnotationBeanNameGenerator;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Import;
+import org.springframework.core.ResolvableType;
+import org.springframework.security.oauth2.client.AuthorizationCodeReactiveOAuth2AuthorizedClientProvider;
+import org.springframework.security.oauth2.client.ClientCredentialsReactiveOAuth2AuthorizedClientProvider;
+import org.springframework.security.oauth2.client.DelegatingReactiveOAuth2AuthorizedClientProvider;
+import org.springframework.security.oauth2.client.JwtBearerReactiveOAuth2AuthorizedClientProvider;
+import org.springframework.security.oauth2.client.PasswordReactiveOAuth2AuthorizedClientProvider;
+import org.springframework.security.oauth2.client.ReactiveOAuth2AuthorizedClientManager;
+import org.springframework.security.oauth2.client.ReactiveOAuth2AuthorizedClientProvider;
+import org.springframework.security.oauth2.client.ReactiveOAuth2AuthorizedClientService;
+import org.springframework.security.oauth2.client.RefreshTokenReactiveOAuth2AuthorizedClientProvider;
+import org.springframework.security.oauth2.client.TokenExchangeReactiveOAuth2AuthorizedClientProvider;
+import org.springframework.security.oauth2.client.endpoint.JwtBearerGrantRequest;
+import org.springframework.security.oauth2.client.endpoint.OAuth2ClientCredentialsGrantRequest;
+import org.springframework.security.oauth2.client.endpoint.OAuth2PasswordGrantRequest;
+import org.springframework.security.oauth2.client.endpoint.OAuth2RefreshTokenGrantRequest;
+import org.springframework.security.oauth2.client.endpoint.ReactiveOAuth2AccessTokenResponseClient;
+import org.springframework.security.oauth2.client.endpoint.TokenExchangeGrantRequest;
+import org.springframework.security.oauth2.client.registration.ReactiveClientRegistrationRepository;
+import org.springframework.security.oauth2.client.web.DefaultReactiveOAuth2AuthorizedClientManager;
+import org.springframework.security.oauth2.client.web.reactive.result.method.annotation.OAuth2AuthorizedClientArgumentResolver;
+import org.springframework.security.oauth2.client.web.server.AuthenticatedPrincipalServerOAuth2AuthorizedClientRepository;
+import org.springframework.security.oauth2.client.web.server.ServerOAuth2AuthorizedClientRepository;
+import org.springframework.web.reactive.config.WebFluxConfigurer;
+import org.springframework.web.reactive.result.method.annotation.ArgumentResolverConfigurer;
+
+/**
+ * {@link Configuration} for OAuth 2.0 Client support.
+ *
+ * <p>
+ * This {@code Configuration} is conditionally imported by
+ * {@link ReactiveOAuth2ClientImportSelector} when the
+ * {@code spring-security-oauth2-client} module is present on the classpath.
+ *
+ * @author Steve Riesenberg
+ * @since 6.3
+ * @see ReactiveOAuth2ClientImportSelector
+ */
+@Import({ ReactiveOAuth2ClientConfiguration.ReactiveOAuth2AuthorizedClientManagerConfiguration.class,
+		ReactiveOAuth2ClientConfiguration.OAuth2ClientWebFluxSecurityConfiguration.class })
+final class ReactiveOAuth2ClientConfiguration {
+
+	@Configuration(proxyBeanMethods = false)
+	static class ReactiveOAuth2AuthorizedClientManagerConfiguration {
+
+		@Bean(name = ReactiveOAuth2AuthorizedClientManagerRegistrar.BEAN_NAME)
+		ReactiveOAuth2AuthorizedClientManagerRegistrar authorizedClientManagerRegistrar() {
+			return new ReactiveOAuth2AuthorizedClientManagerRegistrar();
+		}
+
+	}
+
+	@Configuration(proxyBeanMethods = false)
+	static class OAuth2ClientWebFluxSecurityConfiguration implements WebFluxConfigurer {
+
+		private ReactiveOAuth2AuthorizedClientManager authorizedClientManager;
+
+		private ReactiveOAuth2AuthorizedClientManagerRegistrar authorizedClientManagerRegistrar;
+
+		@Override
+		public void configureArgumentResolvers(ArgumentResolverConfigurer configurer) {
+			ReactiveOAuth2AuthorizedClientManager authorizedClientManager = getAuthorizedClientManager();
+			if (authorizedClientManager != null) {
+				configurer.addCustomResolver(new OAuth2AuthorizedClientArgumentResolver(authorizedClientManager));
+			}
+		}
+
+		@Autowired(required = false)
+		void setAuthorizedClientManager(List<ReactiveOAuth2AuthorizedClientManager> authorizedClientManager) {
+			if (authorizedClientManager.size() == 1) {
+				this.authorizedClientManager = authorizedClientManager.get(0);
+			}
+		}
+
+		@Autowired
+		void setAuthorizedClientManagerRegistrar(
+				ReactiveOAuth2AuthorizedClientManagerRegistrar authorizedClientManagerRegistrar) {
+			this.authorizedClientManagerRegistrar = authorizedClientManagerRegistrar;
+		}
+
+		private ReactiveOAuth2AuthorizedClientManager getAuthorizedClientManager() {
+			if (this.authorizedClientManager != null) {
+				return this.authorizedClientManager;
+			}
+			return this.authorizedClientManagerRegistrar.getAuthorizedClientManagerIfAvailable();
+		}
+
+	}
+
+	/**
+	 * A registrar for registering the default
+	 * {@link ReactiveOAuth2AuthorizedClientManager} bean definition, if not already
+	 * present.
+	 */
+	static final class ReactiveOAuth2AuthorizedClientManagerRegistrar
+			implements BeanDefinitionRegistryPostProcessor, BeanFactoryAware {
+
+		static final String BEAN_NAME = "authorizedClientManagerRegistrar";
+
+		static final String FACTORY_METHOD_NAME = "getAuthorizedClientManager";
+
+		// @formatter:off
+		private static final Set<Class<?>> KNOWN_AUTHORIZED_CLIENT_PROVIDERS = Set.of(
+				AuthorizationCodeReactiveOAuth2AuthorizedClientProvider.class,
+				RefreshTokenReactiveOAuth2AuthorizedClientProvider.class,
+				ClientCredentialsReactiveOAuth2AuthorizedClientProvider.class,
+				PasswordReactiveOAuth2AuthorizedClientProvider.class,
+				JwtBearerReactiveOAuth2AuthorizedClientProvider.class,
+				TokenExchangeReactiveOAuth2AuthorizedClientProvider.class
+		);
+		// @formatter:on
+
+		private final AnnotationBeanNameGenerator beanNameGenerator = new AnnotationBeanNameGenerator();
+
+		private ListableBeanFactory beanFactory;
+
+		@Override
+		public void postProcessBeanDefinitionRegistry(BeanDefinitionRegistry registry) throws BeansException {
+			if (getBeanNamesForType(ReactiveOAuth2AuthorizedClientManager.class).length != 0
+					|| getBeanNamesForType(ReactiveClientRegistrationRepository.class).length != 1
+					|| getBeanNamesForType(ServerOAuth2AuthorizedClientRepository.class).length != 1
+							&& getBeanNamesForType(ReactiveOAuth2AuthorizedClientService.class).length != 1) {
+				return;
+			}
+
+			BeanDefinition beanDefinition = BeanDefinitionBuilder
+				.rootBeanDefinition(ReactiveOAuth2AuthorizedClientManager.class)
+				.setFactoryMethodOnBean(FACTORY_METHOD_NAME, BEAN_NAME)
+				.getBeanDefinition();
+
+			registry.registerBeanDefinition(this.beanNameGenerator.generateBeanName(beanDefinition, registry),
+					beanDefinition);
+		}
+
+		@Override
+		public void setBeanFactory(BeanFactory beanFactory) throws BeansException {
+			this.beanFactory = (ListableBeanFactory) beanFactory;
+		}
+
+		ReactiveOAuth2AuthorizedClientManager getAuthorizedClientManagerIfAvailable() {
+			if (getBeanNamesForType(ReactiveClientRegistrationRepository.class).length != 1
+					|| getBeanNamesForType(ServerOAuth2AuthorizedClientRepository.class).length != 1
+							&& getBeanNamesForType(ReactiveOAuth2AuthorizedClientService.class).length != 1) {
+				return null;
+			}
+			return getAuthorizedClientManager();
+		}
+
+		ReactiveOAuth2AuthorizedClientManager getAuthorizedClientManager() {
+			ReactiveClientRegistrationRepository clientRegistrationRepository = BeanFactoryUtils
+				.beanOfTypeIncludingAncestors(this.beanFactory, ReactiveClientRegistrationRepository.class, true, true);
+
+			ServerOAuth2AuthorizedClientRepository authorizedClientRepository;
+			try {
+				authorizedClientRepository = BeanFactoryUtils.beanOfTypeIncludingAncestors(this.beanFactory,
+						ServerOAuth2AuthorizedClientRepository.class, true, true);
+			}
+			catch (NoSuchBeanDefinitionException ex) {
+				ReactiveOAuth2AuthorizedClientService authorizedClientService = BeanFactoryUtils
+					.beanOfTypeIncludingAncestors(this.beanFactory, ReactiveOAuth2AuthorizedClientService.class, true,
+							true);
+				authorizedClientRepository = new AuthenticatedPrincipalServerOAuth2AuthorizedClientRepository(
+						authorizedClientService);
+			}
+
+			Collection<ReactiveOAuth2AuthorizedClientProvider> authorizedClientProviderBeans = BeanFactoryUtils
+				.beansOfTypeIncludingAncestors(this.beanFactory, ReactiveOAuth2AuthorizedClientProvider.class, true,
+						true)
+				.values();
+
+			ReactiveOAuth2AuthorizedClientProvider authorizedClientProvider;
+			if (hasDelegatingAuthorizedClientProvider(authorizedClientProviderBeans)) {
+				authorizedClientProvider = authorizedClientProviderBeans.iterator().next();
+			}
+			else {
+				List<ReactiveOAuth2AuthorizedClientProvider> authorizedClientProviders = new ArrayList<>();
+				authorizedClientProviders
+					.add(getAuthorizationCodeAuthorizedClientProvider(authorizedClientProviderBeans));
+				authorizedClientProviders.add(getRefreshTokenAuthorizedClientProvider(authorizedClientProviderBeans));
+				authorizedClientProviders
+					.add(getClientCredentialsAuthorizedClientProvider(authorizedClientProviderBeans));
+				authorizedClientProviders.add(getPasswordAuthorizedClientProvider(authorizedClientProviderBeans));
+
+				ReactiveOAuth2AuthorizedClientProvider jwtBearerAuthorizedClientProvider = getJwtBearerAuthorizedClientProvider(
+						authorizedClientProviderBeans);
+				if (jwtBearerAuthorizedClientProvider != null) {
+					authorizedClientProviders.add(jwtBearerAuthorizedClientProvider);
+				}
+
+				ReactiveOAuth2AuthorizedClientProvider tokenExchangeAuthorizedClientProvider = getTokenExchangeAuthorizedClientProvider(
+						authorizedClientProviderBeans);
+				if (tokenExchangeAuthorizedClientProvider != null) {
+					authorizedClientProviders.add(tokenExchangeAuthorizedClientProvider);
+				}
+
+				authorizedClientProviders.addAll(getAdditionalAuthorizedClientProviders(authorizedClientProviderBeans));
+				authorizedClientProvider = new DelegatingReactiveOAuth2AuthorizedClientProvider(
+						authorizedClientProviders);
+			}
+
+			DefaultReactiveOAuth2AuthorizedClientManager authorizedClientManager = new DefaultReactiveOAuth2AuthorizedClientManager(
+					clientRegistrationRepository, authorizedClientRepository);
+			authorizedClientManager.setAuthorizedClientProvider(authorizedClientProvider);
+
+			Consumer<DefaultReactiveOAuth2AuthorizedClientManager> authorizedClientManagerConsumer = getBeanOfType(
+					ResolvableType.forClassWithGenerics(Consumer.class,
+							DefaultReactiveOAuth2AuthorizedClientManager.class));
+			if (authorizedClientManagerConsumer != null) {
+				authorizedClientManagerConsumer.accept(authorizedClientManager);
+			}
+
+			return authorizedClientManager;
+		}
+
+		private boolean hasDelegatingAuthorizedClientProvider(
+				Collection<ReactiveOAuth2AuthorizedClientProvider> authorizedClientProviders) {
+			if (authorizedClientProviders.size() != 1) {
+				return false;
+			}
+			return authorizedClientProviders.iterator()
+				.next() instanceof DelegatingReactiveOAuth2AuthorizedClientProvider;
+		}
+
+		private ReactiveOAuth2AuthorizedClientProvider getAuthorizationCodeAuthorizedClientProvider(
+				Collection<ReactiveOAuth2AuthorizedClientProvider> authorizedClientProviders) {
+			AuthorizationCodeReactiveOAuth2AuthorizedClientProvider authorizedClientProvider = getAuthorizedClientProviderByType(
+					authorizedClientProviders, AuthorizationCodeReactiveOAuth2AuthorizedClientProvider.class);
+			if (authorizedClientProvider == null) {
+				authorizedClientProvider = new AuthorizationCodeReactiveOAuth2AuthorizedClientProvider();
+			}
+
+			return authorizedClientProvider;
+		}
+
+		private ReactiveOAuth2AuthorizedClientProvider getRefreshTokenAuthorizedClientProvider(
+				Collection<ReactiveOAuth2AuthorizedClientProvider> authorizedClientProviders) {
+			RefreshTokenReactiveOAuth2AuthorizedClientProvider authorizedClientProvider = getAuthorizedClientProviderByType(
+					authorizedClientProviders, RefreshTokenReactiveOAuth2AuthorizedClientProvider.class);
+			if (authorizedClientProvider == null) {
+				authorizedClientProvider = new RefreshTokenReactiveOAuth2AuthorizedClientProvider();
+			}
+
+			ReactiveOAuth2AccessTokenResponseClient<OAuth2RefreshTokenGrantRequest> accessTokenResponseClient = getBeanOfType(
+					ResolvableType.forClassWithGenerics(ReactiveOAuth2AccessTokenResponseClient.class,
+							OAuth2RefreshTokenGrantRequest.class));
+			if (accessTokenResponseClient != null) {
+				authorizedClientProvider.setAccessTokenResponseClient(accessTokenResponseClient);
+			}
+
+			return authorizedClientProvider;
+		}
+
+		private ReactiveOAuth2AuthorizedClientProvider getClientCredentialsAuthorizedClientProvider(
+				Collection<ReactiveOAuth2AuthorizedClientProvider> authorizedClientProviders) {
+			ClientCredentialsReactiveOAuth2AuthorizedClientProvider authorizedClientProvider = getAuthorizedClientProviderByType(
+					authorizedClientProviders, ClientCredentialsReactiveOAuth2AuthorizedClientProvider.class);
+			if (authorizedClientProvider == null) {
+				authorizedClientProvider = new ClientCredentialsReactiveOAuth2AuthorizedClientProvider();
+			}
+
+			ReactiveOAuth2AccessTokenResponseClient<OAuth2ClientCredentialsGrantRequest> accessTokenResponseClient = getBeanOfType(
+					ResolvableType.forClassWithGenerics(ReactiveOAuth2AccessTokenResponseClient.class,
+							OAuth2ClientCredentialsGrantRequest.class));
+			if (accessTokenResponseClient != null) {
+				authorizedClientProvider.setAccessTokenResponseClient(accessTokenResponseClient);
+			}
+
+			return authorizedClientProvider;
+		}
+
+		private ReactiveOAuth2AuthorizedClientProvider getPasswordAuthorizedClientProvider(
+				Collection<ReactiveOAuth2AuthorizedClientProvider> authorizedClientProviders) {
+			PasswordReactiveOAuth2AuthorizedClientProvider authorizedClientProvider = getAuthorizedClientProviderByType(
+					authorizedClientProviders, PasswordReactiveOAuth2AuthorizedClientProvider.class);
+			if (authorizedClientProvider == null) {
+				authorizedClientProvider = new PasswordReactiveOAuth2AuthorizedClientProvider();
+			}
+
+			ReactiveOAuth2AccessTokenResponseClient<OAuth2PasswordGrantRequest> accessTokenResponseClient = getBeanOfType(
+					ResolvableType.forClassWithGenerics(ReactiveOAuth2AccessTokenResponseClient.class,
+							OAuth2PasswordGrantRequest.class));
+			if (accessTokenResponseClient != null) {
+				authorizedClientProvider.setAccessTokenResponseClient(accessTokenResponseClient);
+			}
+
+			return authorizedClientProvider;
+		}
+
+		private ReactiveOAuth2AuthorizedClientProvider getJwtBearerAuthorizedClientProvider(
+				Collection<ReactiveOAuth2AuthorizedClientProvider> authorizedClientProviders) {
+			JwtBearerReactiveOAuth2AuthorizedClientProvider authorizedClientProvider = getAuthorizedClientProviderByType(
+					authorizedClientProviders, JwtBearerReactiveOAuth2AuthorizedClientProvider.class);
+
+			ReactiveOAuth2AccessTokenResponseClient<JwtBearerGrantRequest> accessTokenResponseClient = getBeanOfType(
+					ResolvableType.forClassWithGenerics(ReactiveOAuth2AccessTokenResponseClient.class,
+							JwtBearerGrantRequest.class));
+			if (accessTokenResponseClient != null) {
+				if (authorizedClientProvider == null) {
+					authorizedClientProvider = new JwtBearerReactiveOAuth2AuthorizedClientProvider();
+				}
+
+				authorizedClientProvider.setAccessTokenResponseClient(accessTokenResponseClient);
+			}
+
+			return authorizedClientProvider;
+		}
+
+		private ReactiveOAuth2AuthorizedClientProvider getTokenExchangeAuthorizedClientProvider(
+				Collection<ReactiveOAuth2AuthorizedClientProvider> authorizedClientProviders) {
+			TokenExchangeReactiveOAuth2AuthorizedClientProvider authorizedClientProvider = getAuthorizedClientProviderByType(
+					authorizedClientProviders, TokenExchangeReactiveOAuth2AuthorizedClientProvider.class);
+
+			ReactiveOAuth2AccessTokenResponseClient<TokenExchangeGrantRequest> accessTokenResponseClient = getBeanOfType(
+					ResolvableType.forClassWithGenerics(ReactiveOAuth2AccessTokenResponseClient.class,
+							TokenExchangeGrantRequest.class));
+			if (accessTokenResponseClient != null) {
+				if (authorizedClientProvider == null) {
+					authorizedClientProvider = new TokenExchangeReactiveOAuth2AuthorizedClientProvider();
+				}
+
+				authorizedClientProvider.setAccessTokenResponseClient(accessTokenResponseClient);
+			}
+
+			return authorizedClientProvider;
+		}
+
+		private List<ReactiveOAuth2AuthorizedClientProvider> getAdditionalAuthorizedClientProviders(
+				Collection<ReactiveOAuth2AuthorizedClientProvider> authorizedClientProviders) {
+			List<ReactiveOAuth2AuthorizedClientProvider> additionalAuthorizedClientProviders = new ArrayList<>(
+					authorizedClientProviders);
+			additionalAuthorizedClientProviders
+				.removeIf((provider) -> KNOWN_AUTHORIZED_CLIENT_PROVIDERS.contains(provider.getClass()));
+			return additionalAuthorizedClientProviders;
+		}
+
+		private <T extends ReactiveOAuth2AuthorizedClientProvider> T getAuthorizedClientProviderByType(
+				Collection<ReactiveOAuth2AuthorizedClientProvider> authorizedClientProviders, Class<T> providerClass) {
+			T authorizedClientProvider = null;
+			for (ReactiveOAuth2AuthorizedClientProvider current : authorizedClientProviders) {
+				if (providerClass.isInstance(current)) {
+					assertAuthorizedClientProviderIsNull(authorizedClientProvider);
+					authorizedClientProvider = providerClass.cast(current);
+				}
+			}
+			return authorizedClientProvider;
+		}
+
+		private static void assertAuthorizedClientProviderIsNull(
+				ReactiveOAuth2AuthorizedClientProvider authorizedClientProvider) {
+			if (authorizedClientProvider != null) {
+				// @formatter:off
+				throw new BeanInitializationException(String.format(
+						"Unable to create a %s bean. Expected one bean of type %s, but found multiple. " +
+						"Please consider defining only a single bean of this type, or define a %s bean yourself.",
+						ReactiveOAuth2AuthorizedClientManager.class.getName(),
+						authorizedClientProvider.getClass().getName(),
+						ReactiveOAuth2AuthorizedClientManager.class.getName()));
+				// @formatter:on
+			}
+		}
+
+		private <T> String[] getBeanNamesForType(Class<T> beanClass) {
+			return BeanFactoryUtils.beanNamesForTypeIncludingAncestors(this.beanFactory, beanClass, true, true);
+		}
+
+		private <T> T getBeanOfType(ResolvableType resolvableType) {
+			ObjectProvider<T> objectProvider = this.beanFactory.getBeanProvider(resolvableType, true);
+			return objectProvider.getIfAvailable();
+		}
+
+	}
+
+}

config/src/main/java/org/springframework/security/config/annotation/web/reactive/ReactiveOAuth2ClientImportSelector.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,27 +16,13 @@
 
 package org.springframework.security.config.annotation.web.reactive;
 
-import java.util.List;
-
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.context.annotation.Configuration;
 import org.springframework.context.annotation.ImportSelector;
 import org.springframework.core.type.AnnotationMetadata;
-import org.springframework.security.oauth2.client.ReactiveOAuth2AuthorizedClientManager;
-import org.springframework.security.oauth2.client.ReactiveOAuth2AuthorizedClientProvider;
-import org.springframework.security.oauth2.client.ReactiveOAuth2AuthorizedClientProviderBuilder;
-import org.springframework.security.oauth2.client.ReactiveOAuth2AuthorizedClientService;
-import org.springframework.security.oauth2.client.registration.ReactiveClientRegistrationRepository;
-import org.springframework.security.oauth2.client.web.DefaultReactiveOAuth2AuthorizedClientManager;
-import org.springframework.security.oauth2.client.web.reactive.result.method.annotation.OAuth2AuthorizedClientArgumentResolver;
-import org.springframework.security.oauth2.client.web.server.AuthenticatedPrincipalServerOAuth2AuthorizedClientRepository;
-import org.springframework.security.oauth2.client.web.server.ServerOAuth2AuthorizedClientRepository;
 import org.springframework.util.ClassUtils;
-import org.springframework.web.reactive.config.WebFluxConfigurer;
-import org.springframework.web.reactive.result.method.annotation.ArgumentResolverConfigurer;
 
 /**
- * {@link Configuration} for OAuth 2.0 Client support.
+ * Used by {@link EnableWebFluxSecurity} to conditionally import
+ * {@link ReactiveOAuth2ClientConfiguration}.
  *
  * <p>
  * This {@code Configuration} is imported by {@link EnableWebFluxSecurity}
@@ -60,85 +46,8 @@ final class ReactiveOAuth2ClientImportSelector implements ImportSelector {
 		if (!oauth2ClientPresent) {
 			return new String[0];
 		}
-		return new String[] { "org.springframework.security.config.annotation.web.reactive."
-				+ "ReactiveOAuth2ClientImportSelector$OAuth2ClientWebFluxSecurityConfiguration" };
-	}
-
-	@Configuration(proxyBeanMethods = false)
-	static class OAuth2ClientWebFluxSecurityConfiguration implements WebFluxConfigurer {
-
-		private ReactiveClientRegistrationRepository clientRegistrationRepository;
-
-		private ServerOAuth2AuthorizedClientRepository authorizedClientRepository;
-
-		private ReactiveOAuth2AuthorizedClientService authorizedClientService;
-
-		private ReactiveOAuth2AuthorizedClientManager authorizedClientManager;
-
-		@Override
-		public void configureArgumentResolvers(ArgumentResolverConfigurer configurer) {
-			ReactiveOAuth2AuthorizedClientManager authorizedClientManager = getAuthorizedClientManager();
-			if (authorizedClientManager != null) {
-				configurer.addCustomResolver(new OAuth2AuthorizedClientArgumentResolver(authorizedClientManager));
-			}
-		}
-
-		@Autowired(required = false)
-		void setClientRegistrationRepository(ReactiveClientRegistrationRepository clientRegistrationRepository) {
-			this.clientRegistrationRepository = clientRegistrationRepository;
-		}
-
-		@Autowired(required = false)
-		void setAuthorizedClientRepository(ServerOAuth2AuthorizedClientRepository authorizedClientRepository) {
-			this.authorizedClientRepository = authorizedClientRepository;
-		}
-
-		@Autowired(required = false)
-		void setAuthorizedClientService(List<ReactiveOAuth2AuthorizedClientService> authorizedClientService) {
-			if (authorizedClientService.size() == 1) {
-				this.authorizedClientService = authorizedClientService.get(0);
-			}
-		}
-
-		@Autowired(required = false)
-		void setAuthorizedClientManager(List<ReactiveOAuth2AuthorizedClientManager> authorizedClientManager) {
-			if (authorizedClientManager.size() == 1) {
-				this.authorizedClientManager = authorizedClientManager.get(0);
-			}
-		}
-
-		private ServerOAuth2AuthorizedClientRepository getAuthorizedClientRepository() {
-			if (this.authorizedClientRepository != null) {
-				return this.authorizedClientRepository;
-			}
-			if (this.authorizedClientService != null) {
-				return new AuthenticatedPrincipalServerOAuth2AuthorizedClientRepository(this.authorizedClientService);
-			}
-			return null;
-		}
-
-		private ReactiveOAuth2AuthorizedClientManager getAuthorizedClientManager() {
-			if (this.authorizedClientManager != null) {
-				return this.authorizedClientManager;
-			}
-			ReactiveOAuth2AuthorizedClientManager authorizedClientManager = null;
-			if (this.authorizedClientRepository != null && this.clientRegistrationRepository != null) {
-				ReactiveOAuth2AuthorizedClientProvider authorizedClientProvider = ReactiveOAuth2AuthorizedClientProviderBuilder
-					.builder()
-					.authorizationCode()
-					.refreshToken()
-					.clientCredentials()
-					.password()
-					.build();
-				DefaultReactiveOAuth2AuthorizedClientManager defaultReactiveOAuth2AuthorizedClientManager = new DefaultReactiveOAuth2AuthorizedClientManager(
-						this.clientRegistrationRepository, getAuthorizedClientRepository());
-				defaultReactiveOAuth2AuthorizedClientManager.setAuthorizedClientProvider(authorizedClientProvider);
-				authorizedClientManager = defaultReactiveOAuth2AuthorizedClientManager;
-			}
-
-			return authorizedClientManager;
-		}
-
+		return new String[] {
+				"org.springframework.security.config.annotation.web.reactive.ReactiveOAuth2ClientConfiguration" };
 	}
 
 }

config/src/main/java/org/springframework/security/config/annotation/web/reactive/ServerHttpSecurityConfiguration.java

@@ -32,6 +32,7 @@ import org.springframework.core.ReactiveAdapterRegistry;
 import org.springframework.security.authentication.ObservationReactiveAuthenticationManager;
 import org.springframework.security.authentication.ReactiveAuthenticationManager;
 import org.springframework.security.authentication.UserDetailsRepositoryReactiveAuthenticationManager;
+import org.springframework.security.authentication.password.ReactiveCompromisedPasswordChecker;
 import org.springframework.security.config.web.server.ServerHttpSecurity;
 import org.springframework.security.core.userdetails.ReactiveUserDetailsPasswordService;
 import org.springframework.security.core.userdetails.ReactiveUserDetailsService;
@@ -63,6 +64,8 @@ class ServerHttpSecurityConfiguration {
 
 	private ReactiveUserDetailsPasswordService userDetailsPasswordService;
 
+	private ReactiveCompromisedPasswordChecker compromisedPasswordChecker;
+
 	private ObservationRegistry observationRegistry = ObservationRegistry.NOOP;
 
 	@Autowired(required = false)
@@ -98,6 +101,11 @@ class ServerHttpSecurityConfiguration {
 		this.observationRegistry = observationRegistry;
 	}
 
+	@Autowired(required = false)
+	void setCompromisedPasswordChecker(ReactiveCompromisedPasswordChecker compromisedPasswordChecker) {
+		this.compromisedPasswordChecker = compromisedPasswordChecker;
+	}
+
 	@Bean
 	static WebFluxConfigurer authenticationPrincipalArgumentResolverConfigurer(
 			ObjectProvider<AuthenticationPrincipalArgumentResolver> authenticationPrincipalArgumentResolver) {
@@ -153,6 +161,7 @@ class ServerHttpSecurityConfiguration {
 				manager.setPasswordEncoder(this.passwordEncoder);
 			}
 			manager.setUserDetailsPasswordService(this.userDetailsPasswordService);
+			manager.setCompromisedPasswordChecker(this.compromisedPasswordChecker);
 			if (!this.observationRegistry.isNoop()) {
 				return new ObservationReactiveAuthenticationManager(this.observationRegistry, manager);
 			}

config/src/main/java/org/springframework/security/config/http/OAuth2AuthorizedClientManagerRegistrar.java

@@ -44,11 +44,13 @@ import org.springframework.security.oauth2.client.OAuth2AuthorizedClientManager;
 import org.springframework.security.oauth2.client.OAuth2AuthorizedClientProvider;
 import org.springframework.security.oauth2.client.PasswordOAuth2AuthorizedClientProvider;
 import org.springframework.security.oauth2.client.RefreshTokenOAuth2AuthorizedClientProvider;
+import org.springframework.security.oauth2.client.TokenExchangeOAuth2AuthorizedClientProvider;
 import org.springframework.security.oauth2.client.endpoint.JwtBearerGrantRequest;
 import org.springframework.security.oauth2.client.endpoint.OAuth2AccessTokenResponseClient;
 import org.springframework.security.oauth2.client.endpoint.OAuth2ClientCredentialsGrantRequest;
 import org.springframework.security.oauth2.client.endpoint.OAuth2PasswordGrantRequest;
 import org.springframework.security.oauth2.client.endpoint.OAuth2RefreshTokenGrantRequest;
+import org.springframework.security.oauth2.client.endpoint.TokenExchangeGrantRequest;
 import org.springframework.security.oauth2.client.registration.ClientRegistrationRepository;
 import org.springframework.security.oauth2.client.web.DefaultOAuth2AuthorizedClientManager;
 import org.springframework.security.oauth2.client.web.OAuth2AuthorizedClientRepository;
@@ -76,7 +78,8 @@ final class OAuth2AuthorizedClientManagerRegistrar implements BeanDefinitionRegi
 			RefreshTokenOAuth2AuthorizedClientProvider.class,
 			ClientCredentialsOAuth2AuthorizedClientProvider.class,
 			PasswordOAuth2AuthorizedClientProvider.class,
-			JwtBearerOAuth2AuthorizedClientProvider.class
+			JwtBearerOAuth2AuthorizedClientProvider.class,
+			TokenExchangeOAuth2AuthorizedClientProvider.class
 	);
 	// @formatter:on
 
@@ -137,6 +140,12 @@ final class OAuth2AuthorizedClientManagerRegistrar implements BeanDefinitionRegi
 				authorizedClientProviders.add(jwtBearerAuthorizedClientProvider);
 			}
 
+			OAuth2AuthorizedClientProvider tokenExchangeAuthorizedClientProvider = getTokenExchangeAuthorizedClientProvider(
+					authorizedClientProviderBeans);
+			if (tokenExchangeAuthorizedClientProvider != null) {
+				authorizedClientProviders.add(tokenExchangeAuthorizedClientProvider);
+			}
+
 			authorizedClientProviders.addAll(getAdditionalAuthorizedClientProviders(authorizedClientProviderBeans));
 			authorizedClientProvider = new DelegatingOAuth2AuthorizedClientProvider(authorizedClientProviders);
 		}
@@ -245,6 +254,25 @@ final class OAuth2AuthorizedClientManagerRegistrar implements BeanDefinitionRegi
 		return authorizedClientProvider;
 	}
 
+	private OAuth2AuthorizedClientProvider getTokenExchangeAuthorizedClientProvider(
+			Collection<OAuth2AuthorizedClientProvider> authorizedClientProviders) {
+		TokenExchangeOAuth2AuthorizedClientProvider authorizedClientProvider = getAuthorizedClientProviderByType(
+				authorizedClientProviders, TokenExchangeOAuth2AuthorizedClientProvider.class);
+
+		OAuth2AccessTokenResponseClient<TokenExchangeGrantRequest> accessTokenResponseClient = getBeanOfType(
+				ResolvableType.forClassWithGenerics(OAuth2AccessTokenResponseClient.class,
+						TokenExchangeGrantRequest.class));
+		if (accessTokenResponseClient != null) {
+			if (authorizedClientProvider == null) {
+				authorizedClientProvider = new TokenExchangeOAuth2AuthorizedClientProvider();
+			}
+
+			authorizedClientProvider.setAccessTokenResponseClient(accessTokenResponseClient);
+		}
+
+		return authorizedClientProvider;
+	}
+
 	private List<OAuth2AuthorizedClientProvider> getAdditionalAuthorizedClientProviders(
 			Collection<OAuth2AuthorizedClientProvider> authorizedClientProviders) {
 		List<OAuth2AuthorizedClientProvider> additionalAuthorizedClientProviders = new ArrayList<>(

config/src/main/java/org/springframework/security/config/saml2/RelyingPartyRegistrationsBeanDefinitionParser.java

@@ -64,6 +64,8 @@ public final class RelyingPartyRegistrationsBeanDefinitionParser implements Bean
 
 	private static final String ELT_ENCRYPTION_CREDENTIAL = "encryption-credential";
 
+	private static final String ATT_ID = "id";
+
 	private static final String ATT_REGISTRATION_ID = "registration-id";
 
 	private static final String ATT_ASSERTING_PARTY_ID = "asserting-party-id";
@@ -108,8 +110,11 @@ public final class RelyingPartyRegistrationsBeanDefinitionParser implements Bean
 			.rootBeanDefinition(InMemoryRelyingPartyRegistrationRepository.class)
 			.addConstructorArgValue(relyingPartyRegistrations)
 			.getBeanDefinition();
-		String relyingPartyRegistrationRepositoryId = parserContext.getReaderContext()
-			.generateBeanName(relyingPartyRegistrationRepositoryBean);
+		String relyingPartyRegistrationRepositoryId = element.getAttribute(ATT_ID);
+		if (!StringUtils.hasText(relyingPartyRegistrationRepositoryId)) {
+			relyingPartyRegistrationRepositoryId = parserContext.getReaderContext()
+				.generateBeanName(relyingPartyRegistrationRepositoryBean);
+		}
 		parserContext.registerBeanComponent(new BeanComponentDefinition(relyingPartyRegistrationRepositoryBean,
 				relyingPartyRegistrationRepositoryId));
 		parserContext.popAndRegisterContainingComponent();

config/src/main/java/org/springframework/security/config/web/server/DefaultOidcLogoutTokenValidatorFactory.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -19,17 +19,15 @@ package org.springframework.security.config.web.server;
 import java.util.function.Function;
 
 import org.springframework.security.oauth2.client.registration.ClientRegistration;
-import org.springframework.security.oauth2.core.DelegatingOAuth2TokenValidator;
 import org.springframework.security.oauth2.core.OAuth2TokenValidator;
 import org.springframework.security.oauth2.jwt.Jwt;
-import org.springframework.security.oauth2.jwt.JwtTimestampValidator;
+import org.springframework.security.oauth2.jwt.JwtValidators;
 
 final class DefaultOidcLogoutTokenValidatorFactory implements Function<ClientRegistration, OAuth2TokenValidator<Jwt>> {
 
 	@Override
 	public OAuth2TokenValidator<Jwt> apply(ClientRegistration clientRegistration) {
-		return new DelegatingOAuth2TokenValidator<>(new JwtTimestampValidator(),
-				new OidcBackChannelLogoutTokenValidator(clientRegistration));
+		return JwtValidators.createDefaultWithValidators(new OidcBackChannelLogoutTokenValidator(clientRegistration));
 	}
 
 }

config/src/main/java/org/springframework/security/config/web/server/ServerHttpSecurity.java

@@ -63,6 +63,7 @@ import org.springframework.security.core.Authentication;
 import org.springframework.security.core.GrantedAuthority;
 import org.springframework.security.core.authority.AuthorityUtils;
 import org.springframework.security.core.authority.mapping.GrantedAuthoritiesMapper;
+import org.springframework.security.core.session.ReactiveSessionRegistry;
 import org.springframework.security.core.userdetails.ReactiveUserDetailsService;
 import org.springframework.security.oauth2.client.InMemoryReactiveOAuth2AuthorizedClientService;
 import org.springframework.security.oauth2.client.ReactiveOAuth2AuthorizedClientService;
@@ -126,19 +127,26 @@ import org.springframework.security.web.server.WebFilterExchange;
 import org.springframework.security.web.server.authentication.AnonymousAuthenticationWebFilter;
 import org.springframework.security.web.server.authentication.AuthenticationConverterServerWebExchangeMatcher;
 import org.springframework.security.web.server.authentication.AuthenticationWebFilter;
+import org.springframework.security.web.server.authentication.ConcurrentSessionControlServerAuthenticationSuccessHandler;
+import org.springframework.security.web.server.authentication.DelegatingServerAuthenticationSuccessHandler;
 import org.springframework.security.web.server.authentication.HttpBasicServerAuthenticationEntryPoint;
 import org.springframework.security.web.server.authentication.HttpStatusServerEntryPoint;
+import org.springframework.security.web.server.authentication.InvalidateLeastUsedServerMaximumSessionsExceededHandler;
 import org.springframework.security.web.server.authentication.ReactivePreAuthenticatedAuthenticationManager;
 import org.springframework.security.web.server.authentication.RedirectServerAuthenticationEntryPoint;
 import org.springframework.security.web.server.authentication.RedirectServerAuthenticationFailureHandler;
 import org.springframework.security.web.server.authentication.RedirectServerAuthenticationSuccessHandler;
+import org.springframework.security.web.server.authentication.RegisterSessionServerAuthenticationSuccessHandler;
 import org.springframework.security.web.server.authentication.ServerAuthenticationConverter;
 import org.springframework.security.web.server.authentication.ServerAuthenticationEntryPointFailureHandler;
 import org.springframework.security.web.server.authentication.ServerAuthenticationFailureHandler;
 import org.springframework.security.web.server.authentication.ServerAuthenticationSuccessHandler;
 import org.springframework.security.web.server.authentication.ServerFormLoginAuthenticationConverter;
 import org.springframework.security.web.server.authentication.ServerHttpBasicAuthenticationConverter;
+import org.springframework.security.web.server.authentication.ServerMaximumSessionsExceededHandler;
 import org.springframework.security.web.server.authentication.ServerX509AuthenticationConverter;
+import org.springframework.security.web.server.authentication.SessionLimit;
+import org.springframework.security.web.server.authentication.WebFilterChainServerAuthenticationSuccessHandler;
 import org.springframework.security.web.server.authentication.logout.DelegatingServerLogoutHandler;
 import org.springframework.security.web.server.authentication.logout.LogoutWebFilter;
 import org.springframework.security.web.server.authentication.logout.SecurityContextServerLogoutHandler;
@@ -208,6 +216,8 @@ import org.springframework.web.server.ServerWebExchangeDecorator;
 import org.springframework.web.server.WebFilter;
 import org.springframework.web.server.WebFilterChain;
 import org.springframework.web.server.WebSession;
+import org.springframework.web.server.adapter.WebHttpHandlerBuilder;
+import org.springframework.web.server.session.DefaultWebSessionManager;
 import org.springframework.web.util.pattern.PathPatternParser;
 
 /**
@@ -314,6 +324,8 @@ public class ServerHttpSecurity {
 
 	private LoginPageSpec loginPage = new LoginPageSpec();
 
+	private SessionManagementSpec sessionManagement;
+
 	private ReactiveAuthenticationManager authenticationManager;
 
 	private ServerSecurityContextRepository securityContextRepository;
@@ -362,6 +374,7 @@ public class ServerHttpSecurity {
 	}
 
 	/**
+	 *
 	 * Adds a {@link WebFilter} before specific position.
 	 * @param webFilter the {@link WebFilter} to add
 	 * @param order the place before which to insert the {@link WebFilter}
@@ -745,6 +758,36 @@ public class ServerHttpSecurity {
 		return this;
 	}
 
+	/**
+	 * Configures Session Management. An example configuration is provided below:
+	 * <pre class="code">
+	 *  &#064;Bean
+	 *  SecurityWebFilterChain filterChain(ServerHttpSecurity http, ReactiveSessionRegistry sessionRegistry) {
+	 *      http
+	 *          // ...
+	 *          .sessionManagement((sessionManagement) -> sessionManagement
+	 *              .concurrentSessions((concurrentSessions) -> concurrentSessions
+	 *                  .maxSessions(1)
+	 *                  .maxSessionsPreventsLogin(true)
+	 *                  .sessionRegistry(sessionRegistry)
+	 *              )
+	 *          );
+	 *      return http.build();
+	 *  }
+	 * </pre>
+	 * @param customizer the {@link Customizer} to provide more options for the
+	 * {@link SessionManagementSpec}
+	 * @return the {@link ServerHttpSecurity} to continue configuring
+	 * @since 6.3
+	 */
+	public ServerHttpSecurity sessionManagement(Customizer<SessionManagementSpec> customizer) {
+		if (this.sessionManagement == null) {
+			this.sessionManagement = new SessionManagementSpec();
+		}
+		customizer.customize(this.sessionManagement);
+		return this;
+	}
+
 	/**
 	 * Configures password management. An example configuration is provided below:
 	 *
@@ -1519,6 +1562,9 @@ public class ServerHttpSecurity {
 		}
 		WebFilter securityContextRepositoryWebFilter = securityContextRepositoryWebFilter();
 		this.webFilters.add(securityContextRepositoryWebFilter);
+		if (this.sessionManagement != null) {
+			this.sessionManagement.configure(this);
+		}
 		if (this.httpsRedirectSpec != null) {
 			this.httpsRedirectSpec.configure(this);
 		}
@@ -1909,6 +1955,270 @@ public class ServerHttpSecurity {
 
 	}
 
+	/**
+	 * Configures how sessions are managed.
+	 */
+	public class SessionManagementSpec {
+
+		private ConcurrentSessionsSpec concurrentSessions;
+
+		private ServerAuthenticationSuccessHandler authenticationSuccessHandler;
+
+		private ReactiveSessionRegistry sessionRegistry;
+
+		private SessionLimit sessionLimit = SessionLimit.UNLIMITED;
+
+		private ServerMaximumSessionsExceededHandler maximumSessionsExceededHandler;
+
+		/**
+		 * Configures how many sessions are allowed for a given user.
+		 * @param customizer the customizer to provide more options
+		 * @return the {@link SessionManagementSpec} to customize
+		 */
+		public SessionManagementSpec concurrentSessions(Customizer<ConcurrentSessionsSpec> customizer) {
+			if (this.concurrentSessions == null) {
+				this.concurrentSessions = new ConcurrentSessionsSpec();
+			}
+			customizer.customize(this.concurrentSessions);
+			return this;
+		}
+
+		void configure(ServerHttpSecurity http) {
+			if (this.concurrentSessions != null) {
+				ReactiveSessionRegistry reactiveSessionRegistry = getSessionRegistry();
+				ConcurrentSessionControlServerAuthenticationSuccessHandler concurrentSessionControlStrategy = new ConcurrentSessionControlServerAuthenticationSuccessHandler(
+						reactiveSessionRegistry, getMaximumSessionsExceededHandler());
+				concurrentSessionControlStrategy.setSessionLimit(this.sessionLimit);
+				RegisterSessionServerAuthenticationSuccessHandler registerSessionAuthenticationStrategy = new RegisterSessionServerAuthenticationSuccessHandler(
+						reactiveSessionRegistry);
+				this.authenticationSuccessHandler = new DelegatingServerAuthenticationSuccessHandler(
+						concurrentSessionControlStrategy, registerSessionAuthenticationStrategy);
+				SessionRegistryWebFilter sessionRegistryWebFilter = new SessionRegistryWebFilter(
+						reactiveSessionRegistry);
+				configureSuccessHandlerOnAuthenticationFilters();
+				http.addFilterAfter(sessionRegistryWebFilter, SecurityWebFiltersOrder.HTTP_HEADERS_WRITER);
+			}
+		}
+
+		private ServerMaximumSessionsExceededHandler getMaximumSessionsExceededHandler() {
+			if (this.maximumSessionsExceededHandler != null) {
+				return this.maximumSessionsExceededHandler;
+			}
+			DefaultWebSessionManager webSessionManager = getBeanOrNull(
+					WebHttpHandlerBuilder.WEB_SESSION_MANAGER_BEAN_NAME, DefaultWebSessionManager.class);
+			if (webSessionManager != null) {
+				this.maximumSessionsExceededHandler = new InvalidateLeastUsedServerMaximumSessionsExceededHandler(
+						webSessionManager.getSessionStore());
+			}
+			if (this.maximumSessionsExceededHandler == null) {
+				throw new IllegalStateException(
+						"Could not create a default ServerMaximumSessionsExceededHandler. Please provide "
+								+ "a ServerMaximumSessionsExceededHandler via DSL");
+			}
+			return this.maximumSessionsExceededHandler;
+		}
+
+		private void configureSuccessHandlerOnAuthenticationFilters() {
+			if (ServerHttpSecurity.this.formLogin != null) {
+				ServerHttpSecurity.this.formLogin.defaultSuccessHandlers.add(0, this.authenticationSuccessHandler);
+			}
+			if (ServerHttpSecurity.this.oauth2Login != null) {
+				ServerHttpSecurity.this.oauth2Login.defaultSuccessHandlers.add(0, this.authenticationSuccessHandler);
+			}
+			if (ServerHttpSecurity.this.httpBasic != null) {
+				ServerHttpSecurity.this.httpBasic.defaultSuccessHandlers.add(0, this.authenticationSuccessHandler);
+			}
+		}
+
+		private ReactiveSessionRegistry getSessionRegistry() {
+			if (this.sessionRegistry == null) {
+				this.sessionRegistry = getBeanOrNull(ReactiveSessionRegistry.class);
+			}
+			if (this.sessionRegistry == null) {
+				throw new IllegalStateException(
+						"A ReactiveSessionRegistry is needed for concurrent session management");
+			}
+			return this.sessionRegistry;
+		}
+
+		/**
+		 * Configures how many sessions are allowed for a given user.
+		 */
+		public class ConcurrentSessionsSpec {
+
+			/**
+			 * Sets the {@link ReactiveSessionRegistry} to use.
+			 * @param reactiveSessionRegistry the {@link ReactiveSessionRegistry} to use
+			 * @return the {@link ConcurrentSessionsSpec} to continue customizing
+			 */
+			public ConcurrentSessionsSpec sessionRegistry(ReactiveSessionRegistry reactiveSessionRegistry) {
+				SessionManagementSpec.this.sessionRegistry = reactiveSessionRegistry;
+				return this;
+			}
+
+			/**
+			 * Sets the maximum number of sessions allowed for any user. You can use
+			 * {@link SessionLimit#of(int)} to specify a positive integer or
+			 * {@link SessionLimit#UNLIMITED} to allow unlimited sessions. To customize
+			 * the maximum number of sessions on a per-user basis, you can provide a
+			 * custom {@link SessionLimit} implementation, like so: <pre>
+			 *     http
+			 *         .sessionManagement((sessions) -> sessions
+			 *             .concurrentSessions((concurrency) -> concurrency
+			 *                 .maximumSessions((authentication) -> {
+			 *                     if (authentication.getName().equals("admin")) {
+			 *                         return Mono.empty() // unlimited sessions for admin
+			 *                     }
+			 *                     return Mono.just(1); // one session for every other user
+			 *                 })
+			 *             )
+			 *         )
+			 * </pre>
+			 * @param sessionLimit the maximum number of sessions allowed for any user
+			 * @return the {@link ConcurrentSessionsSpec} to continue customizing
+			 */
+			public ConcurrentSessionsSpec maximumSessions(SessionLimit sessionLimit) {
+				Assert.notNull(sessionLimit, "sessionLimit cannot be null");
+				SessionManagementSpec.this.sessionLimit = sessionLimit;
+				return this;
+			}
+
+			/**
+			 * Sets the {@link ServerMaximumSessionsExceededHandler} to use when the
+			 * maximum number of sessions is exceeded.
+			 * @param maximumSessionsExceededHandler the
+			 * {@link ServerMaximumSessionsExceededHandler} to use
+			 * @return the {@link ConcurrentSessionsSpec} to continue customizing
+			 */
+			public ConcurrentSessionsSpec maximumSessionsExceededHandler(
+					ServerMaximumSessionsExceededHandler maximumSessionsExceededHandler) {
+				Assert.notNull(maximumSessionsExceededHandler, "maximumSessionsExceededHandler cannot be null");
+				SessionManagementSpec.this.maximumSessionsExceededHandler = maximumSessionsExceededHandler;
+				return this;
+			}
+
+		}
+
+		private static final class SessionRegistryWebFilter implements WebFilter {
+
+			private final ReactiveSessionRegistry sessionRegistry;
+
+			private SessionRegistryWebFilter(ReactiveSessionRegistry sessionRegistry) {
+				Assert.notNull(sessionRegistry, "sessionRegistry cannot be null");
+				this.sessionRegistry = sessionRegistry;
+			}
+
+			@Override
+			public Mono<Void> filter(ServerWebExchange exchange, WebFilterChain chain) {
+				return chain.filter(new SessionRegistryWebExchange(exchange));
+			}
+
+			private final class SessionRegistryWebExchange extends ServerWebExchangeDecorator {
+
+				private final Mono<WebSession> sessionMono;
+
+				private SessionRegistryWebExchange(ServerWebExchange delegate) {
+					super(delegate);
+					this.sessionMono = delegate.getSession()
+						.flatMap((session) -> SessionRegistryWebFilter.this.sessionRegistry
+							.updateLastAccessTime(session.getId())
+							.thenReturn(session))
+						.map(SessionRegistryWebSession::new);
+				}
+
+				@Override
+				public Mono<WebSession> getSession() {
+					return this.sessionMono;
+				}
+
+			}
+
+			private final class SessionRegistryWebSession implements WebSession {
+
+				private final WebSession session;
+
+				private SessionRegistryWebSession(WebSession session) {
+					this.session = session;
+				}
+
+				@Override
+				public String getId() {
+					return this.session.getId();
+				}
+
+				@Override
+				public Map<String, Object> getAttributes() {
+					return this.session.getAttributes();
+				}
+
+				@Override
+				public void start() {
+					this.session.start();
+				}
+
+				@Override
+				public boolean isStarted() {
+					return this.session.isStarted();
+				}
+
+				@Override
+				public Mono<Void> changeSessionId() {
+					String currentId = this.session.getId();
+					return this.session.changeSessionId()
+						.then(Mono.defer(
+								() -> SessionRegistryWebFilter.this.sessionRegistry.removeSessionInformation(currentId)
+									.flatMap((information) -> {
+										information = information.withSessionId(this.session.getId());
+										return SessionRegistryWebFilter.this.sessionRegistry
+											.saveSessionInformation(information);
+									})));
+				}
+
+				@Override
+				public Mono<Void> invalidate() {
+					String currentId = this.session.getId();
+					return this.session.invalidate()
+						.then(Mono.defer(() -> SessionRegistryWebFilter.this.sessionRegistry
+							.removeSessionInformation(currentId)))
+						.then();
+				}
+
+				@Override
+				public Mono<Void> save() {
+					return this.session.save();
+				}
+
+				@Override
+				public boolean isExpired() {
+					return this.session.isExpired();
+				}
+
+				@Override
+				public Instant getCreationTime() {
+					return this.session.getCreationTime();
+				}
+
+				@Override
+				public Instant getLastAccessTime() {
+					return this.session.getLastAccessTime();
+				}
+
+				@Override
+				public void setMaxIdleTime(Duration maxIdleTime) {
+					this.session.setMaxIdleTime(maxIdleTime);
+				}
+
+				@Override
+				public Duration getMaxIdleTime() {
+					return this.session.getMaxIdleTime();
+				}
+
+			}
+
+		}
+
+	}
+
 	/**
 	 * Configures HTTPS redirection rules
 	 *
@@ -2213,6 +2523,11 @@ public class ServerHttpSecurity {
 
 		private ServerAuthenticationFailureHandler authenticationFailureHandler;
 
+		private final List<ServerAuthenticationSuccessHandler> defaultSuccessHandlers = new ArrayList<>(
+				List.of(new WebFilterChainServerAuthenticationSuccessHandler()));
+
+		private List<ServerAuthenticationSuccessHandler> authenticationSuccessHandlers = new ArrayList<>();
+
 		private HttpBasicSpec() {
 			List<DelegateEntry> entryPoints = new ArrayList<>();
 			entryPoints
@@ -2223,6 +2538,40 @@ public class ServerHttpSecurity {
 			this.entryPoint = defaultEntryPoint;
 		}
 
+		/**
+		 * The {@link ServerAuthenticationSuccessHandler} used after authentication
+		 * success. Defaults to {@link WebFilterChainServerAuthenticationSuccessHandler}.
+		 * Note that this method clears previously added success handlers via
+		 * {@link #authenticationSuccessHandler(Consumer)}
+		 * @param authenticationSuccessHandler the success handler to use
+		 * @return the {@link HttpBasicSpec} to continue configuring
+		 * @since 6.3
+		 */
+		public HttpBasicSpec authenticationSuccessHandler(
+				ServerAuthenticationSuccessHandler authenticationSuccessHandler) {
+			Assert.notNull(authenticationSuccessHandler, "authenticationSuccessHandler cannot be null");
+			authenticationSuccessHandler((handlers) -> {
+				handlers.clear();
+				handlers.add(authenticationSuccessHandler);
+			});
+			return this;
+		}
+
+		/**
+		 * Allows customizing the list of {@link ServerAuthenticationSuccessHandler}. The
+		 * default list contains a
+		 * {@link WebFilterChainServerAuthenticationSuccessHandler}.
+		 * @param handlersConsumer the handlers consumer
+		 * @return the {@link HttpBasicSpec} to continue configuring
+		 * @since 6.3
+		 */
+		public HttpBasicSpec authenticationSuccessHandler(
+				Consumer<List<ServerAuthenticationSuccessHandler>> handlersConsumer) {
+			Assert.notNull(handlersConsumer, "handlersConsumer cannot be null");
+			handlersConsumer.accept(this.authenticationSuccessHandlers);
+			return this;
+		}
+
 		/**
 		 * The {@link ReactiveAuthenticationManager} used to authenticate. Defaults to
 		 * {@link ServerHttpSecurity#authenticationManager(ReactiveAuthenticationManager)}.
@@ -2308,9 +2657,17 @@ public class ServerHttpSecurity {
 			authenticationFilter.setAuthenticationFailureHandler(authenticationFailureHandler());
 			authenticationFilter.setAuthenticationConverter(new ServerHttpBasicAuthenticationConverter());
 			authenticationFilter.setSecurityContextRepository(this.securityContextRepository);
+			authenticationFilter.setAuthenticationSuccessHandler(getAuthenticationSuccessHandler(http));
 			http.addFilterAt(authenticationFilter, SecurityWebFiltersOrder.HTTP_BASIC);
 		}
 
+		private ServerAuthenticationSuccessHandler getAuthenticationSuccessHandler(ServerHttpSecurity http) {
+			if (this.authenticationSuccessHandlers.isEmpty()) {
+				return new DelegatingServerAuthenticationSuccessHandler(this.defaultSuccessHandlers);
+			}
+			return new DelegatingServerAuthenticationSuccessHandler(this.authenticationSuccessHandlers);
+		}
+
 		private ServerAuthenticationFailureHandler authenticationFailureHandler() {
 			if (this.authenticationFailureHandler != null) {
 				return this.authenticationFailureHandler;
@@ -2382,6 +2739,9 @@ public class ServerHttpSecurity {
 		private final RedirectServerAuthenticationSuccessHandler defaultSuccessHandler = new RedirectServerAuthenticationSuccessHandler(
 				"/");
 
+		private final List<ServerAuthenticationSuccessHandler> defaultSuccessHandlers = new ArrayList<>(
+				List.of(this.defaultSuccessHandler));
+
 		private RedirectServerAuthenticationEntryPoint defaultEntryPoint;
 
 		private ReactiveAuthenticationManager authenticationManager;
@@ -2396,7 +2756,7 @@ public class ServerHttpSecurity {
 
 		private ServerAuthenticationFailureHandler authenticationFailureHandler;
 
-		private ServerAuthenticationSuccessHandler authenticationSuccessHandler = this.defaultSuccessHandler;
+		private List<ServerAuthenticationSuccessHandler> authenticationSuccessHandlers = new ArrayList<>();
 
 		private FormLoginSpec() {
 		}
@@ -2414,14 +2774,34 @@ public class ServerHttpSecurity {
 
 		/**
 		 * The {@link ServerAuthenticationSuccessHandler} used after authentication
-		 * success. Defaults to {@link RedirectServerAuthenticationSuccessHandler}.
+		 * success. Defaults to {@link RedirectServerAuthenticationSuccessHandler}. Note
+		 * that this method clears previously added success handlers via
+		 * {@link #authenticationSuccessHandler(Consumer)}
 		 * @param authenticationSuccessHandler the success handler to use
 		 * @return the {@link FormLoginSpec} to continue configuring
 		 */
 		public FormLoginSpec authenticationSuccessHandler(
 				ServerAuthenticationSuccessHandler authenticationSuccessHandler) {
 			Assert.notNull(authenticationSuccessHandler, "authenticationSuccessHandler cannot be null");
-			this.authenticationSuccessHandler = authenticationSuccessHandler;
+			authenticationSuccessHandler((handlers) -> {
+				handlers.clear();
+				handlers.add(authenticationSuccessHandler);
+			});
+			return this;
+		}
+
+		/**
+		 * Allows customizing the list of {@link ServerAuthenticationSuccessHandler}. The
+		 * default list contains a {@link RedirectServerAuthenticationSuccessHandler} that
+		 * redirects to "/".
+		 * @param handlersConsumer the handlers consumer
+		 * @return the {@link FormLoginSpec} to continue configuring
+		 * @since 6.3
+		 */
+		public FormLoginSpec authenticationSuccessHandler(
+				Consumer<List<ServerAuthenticationSuccessHandler>> handlersConsumer) {
+			Assert.notNull(handlersConsumer, "handlersConsumer cannot be null");
+			handlersConsumer.accept(this.authenticationSuccessHandlers);
 			return this;
 		}
 
@@ -2554,11 +2934,18 @@ public class ServerHttpSecurity {
 			authenticationFilter.setRequiresAuthenticationMatcher(this.requiresAuthenticationMatcher);
 			authenticationFilter.setAuthenticationFailureHandler(this.authenticationFailureHandler);
 			authenticationFilter.setAuthenticationConverter(new ServerFormLoginAuthenticationConverter());
-			authenticationFilter.setAuthenticationSuccessHandler(this.authenticationSuccessHandler);
+			authenticationFilter.setAuthenticationSuccessHandler(getAuthenticationSuccessHandler(http));
 			authenticationFilter.setSecurityContextRepository(this.securityContextRepository);
 			http.addFilterAt(authenticationFilter, SecurityWebFiltersOrder.FORM_LOGIN);
 		}
 
+		private ServerAuthenticationSuccessHandler getAuthenticationSuccessHandler(ServerHttpSecurity http) {
+			if (this.authenticationSuccessHandlers.isEmpty()) {
+				return new DelegatingServerAuthenticationSuccessHandler(this.defaultSuccessHandlers);
+			}
+			return new DelegatingServerAuthenticationSuccessHandler(this.authenticationSuccessHandlers);
+		}
+
 	}
 
 	private final class LoginPageSpec {
@@ -3737,7 +4124,12 @@ public class ServerHttpSecurity {
 
 		private ReactiveOidcSessionRegistry oidcSessionRegistry;
 
-		private ServerAuthenticationSuccessHandler authenticationSuccessHandler;
+		private final RedirectServerAuthenticationSuccessHandler defaultAuthenticationSuccessHandler = new RedirectServerAuthenticationSuccessHandler();
+
+		private final List<ServerAuthenticationSuccessHandler> defaultSuccessHandlers = new ArrayList<>(
+				List.of(this.defaultAuthenticationSuccessHandler));
+
+		private List<ServerAuthenticationSuccessHandler> authenticationSuccessHandlers = new ArrayList<>();
 
 		private ServerAuthenticationFailureHandler authenticationFailureHandler;
 
@@ -3785,7 +4177,8 @@ public class ServerHttpSecurity {
 		/**
 		 * The {@link ServerAuthenticationSuccessHandler} used after authentication
 		 * success. Defaults to {@link RedirectServerAuthenticationSuccessHandler}
-		 * redirecting to "/".
+		 * redirecting to "/". Note that this method clears previously added success
+		 * handlers via {@link #authenticationSuccessHandler(Consumer)}
 		 * @param authenticationSuccessHandler the success handler to use
 		 * @return the {@link OAuth2LoginSpec} to customize
 		 * @since 5.2
@@ -3793,7 +4186,25 @@ public class ServerHttpSecurity {
 		public OAuth2LoginSpec authenticationSuccessHandler(
 				ServerAuthenticationSuccessHandler authenticationSuccessHandler) {
 			Assert.notNull(authenticationSuccessHandler, "authenticationSuccessHandler cannot be null");
-			this.authenticationSuccessHandler = authenticationSuccessHandler;
+			authenticationSuccessHandler((handlers) -> {
+				handlers.clear();
+				handlers.add(authenticationSuccessHandler);
+			});
+			return this;
+		}
+
+		/**
+		 * Allows customizing the list of {@link ServerAuthenticationSuccessHandler}. The
+		 * default list contains a {@link RedirectServerAuthenticationSuccessHandler} that
+		 * redirects to "/".
+		 * @param handlersConsumer the handlers consumer
+		 * @return the {@link OAuth2LoginSpec} to continue configuring
+		 * @since 6.3
+		 */
+		public OAuth2LoginSpec authenticationSuccessHandler(
+				Consumer<List<ServerAuthenticationSuccessHandler>> handlersConsumer) {
+			Assert.notNull(handlersConsumer, "handlersConsumer cannot be null");
+			handlersConsumer.accept(this.authenticationSuccessHandlers);
 			return this;
 		}
 
@@ -4050,12 +4461,11 @@ public class ServerHttpSecurity {
 		}
 
 		private ServerAuthenticationSuccessHandler getAuthenticationSuccessHandler(ServerHttpSecurity http) {
-			if (this.authenticationSuccessHandler == null) {
-				RedirectServerAuthenticationSuccessHandler handler = new RedirectServerAuthenticationSuccessHandler();
-				handler.setRequestCache(http.requestCache.requestCache);
-				this.authenticationSuccessHandler = handler;
+			this.defaultAuthenticationSuccessHandler.setRequestCache(http.requestCache.requestCache);
+			if (this.authenticationSuccessHandlers.isEmpty()) {
+				return new DelegatingServerAuthenticationSuccessHandler(this.defaultSuccessHandlers);
 			}
-			return this.authenticationSuccessHandler;
+			return new DelegatingServerAuthenticationSuccessHandler(this.authenticationSuccessHandlers);
 		}
 
 		private ServerAuthenticationFailureHandler getAuthenticationFailureHandler() {

config/src/main/kotlin/org/springframework/security/config/annotation/web/AuthorizeHttpRequestsDsl.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -26,6 +26,7 @@ import org.springframework.security.config.annotation.web.configurers.AuthorizeH
 import org.springframework.security.core.Authentication
 import org.springframework.security.web.access.intercept.AuthorizationFilter
 import org.springframework.security.web.access.intercept.RequestAuthorizationContext
+import org.springframework.security.web.access.IpAddressAuthorizationManager
 import org.springframework.security.web.servlet.util.matcher.MvcRequestMatcher
 import org.springframework.security.web.util.matcher.AnyRequestMatcher
 import org.springframework.security.web.util.matcher.RequestMatcher
@@ -222,6 +223,13 @@ class AuthorizeHttpRequestsDsl : AbstractRequestMatcherDsl() {
         return AuthorityAuthorizationManager.hasAnyRole(*roles)
     }
 
+    /**
+     * Require a specific IP or range of IP addresses.
+     * @since 6.3
+     */
+    fun hasIpAddress(ipAddress: String): AuthorizationManager<RequestAuthorizationContext> =
+        IpAddressAuthorizationManager.hasIpAddress(ipAddress)
+
     /**
      * Specify that URLs are allowed by anyone.
      */

config/src/main/kotlin/org/springframework/security/config/annotation/web/FormLoginDsl.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -38,6 +38,8 @@ import jakarta.servlet.http.HttpServletRequest
  * @property loginProcessingUrl the URL to validate the credentials
  * @property permitAll whether to grant access to the urls for [failureUrl] as well as
  * for the [HttpSecurityBuilder], the [loginPage] and [loginProcessingUrl] for every user
+ * @property usernameParameter the HTTP parameter to look for the username when performing authentication
+ * @property passwordParameter the HTTP parameter to look for the password when performing authentication
  */
 @SecurityMarker
 class FormLoginDsl {
@@ -48,6 +50,8 @@ class FormLoginDsl {
     var loginProcessingUrl: String? = null
     var permitAll: Boolean? = null
     var authenticationDetailsSource: AuthenticationDetailsSource<HttpServletRequest, *>? = null
+    var usernameParameter: String? = null
+    var passwordParameter: String? = null
 
     private var defaultSuccessUrlOption: Pair<String, Boolean>? = null
 
@@ -95,6 +99,8 @@ class FormLoginDsl {
             authenticationSuccessHandler?.also { login.successHandler(authenticationSuccessHandler) }
             authenticationFailureHandler?.also { login.failureHandler(authenticationFailureHandler) }
             authenticationDetailsSource?.also { login.authenticationDetailsSource(authenticationDetailsSource) }
+            usernameParameter?.also { login.usernameParameter(usernameParameter) }
+            passwordParameter?.also { login.passwordParameter(passwordParameter) }
             if (disabled) {
                 login.disable()
             }

config/src/main/kotlin/org/springframework/security/config/annotation/web/HttpSecurityDsl.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -707,6 +707,69 @@ class HttpSecurityDsl(private val http: HttpSecurity, private val init: HttpSecu
         this.http.saml2Login(saml2LoginCustomizer)
     }
 
+    /**
+     * Configures logout support for a SAML 2.0 Service Provider. <br>
+     * <br>
+     *
+     * Implements the <b>Single Logout Profile, using POST and REDIRECT bindings</b>, as
+     * documented in the
+     * <a target="_blank" href="https://docs.oasis-open.org/security/saml/">SAML V2.0
+     * Core, Profiles and Bindings</a> specifications. <br>
+     * <br>
+     *
+     * As a prerequisite to using this feature, is that you have a SAML v2.0 Asserting
+     * Party to send a logout request to. The representation of the relying party and the
+     * asserting party is contained within [RelyingPartyRegistration]. <br>
+     * <br>
+     *
+     * [RelyingPartyRegistration] (s) are composed within a
+     * [RelyingPartyRegistrationRepository], which is <b>required</b> and must be
+     * registered with the [ApplicationContext] or configured via
+     * [HttpSecurityDsl.saml2Login].<br>
+     * <br>
+     *
+     * The default configuration provides an auto-generated logout endpoint at
+     * `/logout` and redirects to `/login?logout` when
+     * logout completes. <br>
+     * <br>
+     *
+     * <p>
+     * <h2>Example Configuration</h2>
+     *
+     * The following example shows the minimal configuration required, using a
+     * hypothetical asserting party.
+     *
+     * Example:
+     *
+     * ```
+     * @Configuration
+     * @EnableWebSecurity
+     * class SecurityConfig {
+     *
+     *     @Bean
+     *     fun securityFilterChain(http: HttpSecurity): SecurityFilterChain {
+     *         http {
+     *             saml2Login {
+     *                 relyingPartyRegistration = getSaml2RelyingPartyRegistration()
+     *             }
+     *             saml2Logout { }
+     *         }
+     *         return http.build()
+     *     }
+     * }
+     * ```
+     *
+     * <p>
+     * @param saml2LogoutConfiguration custom configuration to configure the
+     * SAML 2.0 service provider
+     * @since 6.3
+     * @see [Saml2LogoutDsl]
+     */
+    fun saml2Logout(saml2LogoutConfiguration: Saml2LogoutDsl.() -> Unit) {
+        val saml2LogoutCustomizer = Saml2LogoutDsl().apply(saml2LogoutConfiguration).get()
+        this.http.saml2Logout(saml2LogoutCustomizer)
+    }
+
 	/**
 	 * Configures a SAML 2.0 relying party metadata endpoint.
 	 *

config/src/main/kotlin/org/springframework/security/config/annotation/web/Saml2LogoutDsl.kt

@@ -0,0 +1,69 @@
+/*
+ * Copyright 2002-2021 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.config.annotation.web
+
+import org.springframework.security.config.annotation.web.builders.HttpSecurity
+import org.springframework.security.config.annotation.web.configurers.saml2.Saml2LogoutConfigurer
+import org.springframework.security.config.annotation.web.saml2.LogoutRequestDsl
+import org.springframework.security.config.annotation.web.saml2.LogoutResponseDsl
+import org.springframework.security.saml2.provider.service.registration.RelyingPartyRegistrationRepository
+
+/**
+ * A Kotlin DSL to configure [HttpSecurity] SAML2 logout using idiomatic Kotlin code.
+ *
+ * @author Josh Cummings
+ * @since 6.3
+ * @property relyingPartyRegistrationRepository the [RelyingPartyRegistrationRepository] of relying parties,
+ * each party representing a service provider, SP and this host, and identity provider, IDP pair that
+ * communicate with each other.
+ * @property logoutUrl the logout page to begin the SLO redirect flow
+ */
+@SecurityMarker
+class Saml2LogoutDsl {
+    var relyingPartyRegistrationRepository: RelyingPartyRegistrationRepository? = null
+    var logoutUrl: String? = null
+
+    private var logoutRequest: ((Saml2LogoutConfigurer<HttpSecurity>.LogoutRequestConfigurer) -> Unit)? = null
+    private var logoutResponse: ((Saml2LogoutConfigurer<HttpSecurity>.LogoutResponseConfigurer) -> Unit)? = null
+
+    /**
+     * Configures SAML 2.0 Logout Request components
+     * @param logoutRequestConfig the {@link Customizer} to provide more
+     * options for the {@link LogoutRequestConfigurer}
+     */
+    fun logoutRequest(logoutRequestConfig: LogoutRequestDsl.() -> Unit) {
+        this.logoutRequest = LogoutRequestDsl().apply(logoutRequestConfig).get()
+    }
+
+    /**
+     * Configures SAML 2.0 Logout Response components
+     * @param logoutResponseConfig the {@link Customizer} to provide more
+     * options for the {@link LogoutResponseConfigurer}
+     */
+    fun logoutResponse(logoutResponseConfig: LogoutResponseDsl.() -> Unit) {
+        this.logoutResponse = LogoutResponseDsl().apply(logoutResponseConfig).get()
+    }
+
+    internal fun get(): (Saml2LogoutConfigurer<HttpSecurity>) -> Unit {
+        return { saml2Logout ->
+            relyingPartyRegistrationRepository?.also { saml2Logout.relyingPartyRegistrationRepository(relyingPartyRegistrationRepository) }
+            logoutUrl?.also { saml2Logout.logoutUrl(logoutUrl) }
+            logoutRequest?.also { saml2Logout.logoutRequest(logoutRequest) }
+            logoutResponse?.also { saml2Logout.logoutResponse(logoutResponse) }
+        }
+    }
+}

config/src/main/kotlin/org/springframework/security/config/annotation/web/saml2/LogoutRequestDsl.kt

@@ -0,0 +1,53 @@
+/*
+ * Copyright 2002-2024 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.config.annotation.web.saml2
+
+import org.springframework.security.config.annotation.web.builders.HttpSecurity
+import org.springframework.security.config.annotation.web.configurers.saml2.Saml2LogoutConfigurer
+import org.springframework.security.saml2.provider.service.authentication.logout.Saml2LogoutRequestValidator
+import org.springframework.security.saml2.provider.service.web.authentication.logout.HttpSessionLogoutRequestRepository
+import org.springframework.security.saml2.provider.service.web.authentication.logout.Saml2LogoutRequestRepository
+import org.springframework.security.saml2.provider.service.web.authentication.logout.Saml2LogoutRequestResolver
+
+/**
+ * A Kotlin DSL to configure SAML 2.0 Logout Request components using idiomatic Kotlin code.
+ *
+ * @author Josh Cummings
+ * @since 6.3
+ * @property logoutUrl The URL by which the asserting party can send a SAML 2.0 Logout Request.
+ * The Asserting Party should use whatever HTTP method specified in {@link RelyingPartyRegistration#getSingleLogoutServiceBindings()}.
+ * @property logoutRequestValidator the [Saml2LogoutRequestValidator] to use for validating incoming {@code LogoutRequest}s.
+ * @property logoutRequestResolver the [Saml2LogoutRequestResolver] to use for generating outgoing {@code LogoutRequest}s.
+ * @property logoutRequestRepository the [Saml2LogoutRequestRepository] to use for storing outgoing {@code LogoutRequest}s for
+ * linking to the corresponding {@code LogoutResponse} from the asserting party
+ */
+@Saml2SecurityMarker
+class LogoutRequestDsl {
+    var logoutUrl = "/logout/saml2/slo"
+    var logoutRequestValidator: Saml2LogoutRequestValidator? = null
+    var logoutRequestResolver: Saml2LogoutRequestResolver? = null
+    var logoutRequestRepository: Saml2LogoutRequestRepository = HttpSessionLogoutRequestRepository()
+
+    internal fun get(): (Saml2LogoutConfigurer<HttpSecurity>.LogoutRequestConfigurer) -> Unit {
+        return { logoutRequest ->
+            logoutUrl.also { logoutRequest.logoutUrl(logoutUrl) }
+            logoutRequestValidator?.also { logoutRequest.logoutRequestValidator(logoutRequestValidator) }
+            logoutRequestResolver?.also { logoutRequest.logoutRequestResolver(logoutRequestResolver) }
+            logoutRequestRepository.also { logoutRequest.logoutRequestRepository(logoutRequestRepository) }
+        }
+    }
+}

config/src/main/kotlin/org/springframework/security/config/annotation/web/saml2/LogoutResponseDsl.kt

@@ -0,0 +1,47 @@
+/*
+ * Copyright 2002-2024 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.config.annotation.web.saml2
+
+import org.springframework.security.config.annotation.web.builders.HttpSecurity
+import org.springframework.security.config.annotation.web.configurers.saml2.Saml2LogoutConfigurer
+import org.springframework.security.saml2.provider.service.authentication.logout.Saml2LogoutResponseValidator
+import org.springframework.security.saml2.provider.service.web.authentication.logout.Saml2LogoutResponseResolver
+
+/**
+ * A Kotlin DSL to configure SAML 2.0 Logout Response components using idiomatic Kotlin code.
+ *
+ * @author Josh Cummings
+ * @since 6.3
+ * @property logoutUrl The URL by which the asserting party can send a SAML 2.0 Logout Response.
+ * The Asserting Party should use whatever HTTP method specified in {@link RelyingPartyRegistration#getSingleLogoutServiceBindings()}.
+ * @property logoutResponseValidator the [Saml2LogoutResponseValidator] to use for validating incoming {@code LogoutResponse}s.
+ * @property logoutResponseResolver the [Saml2LogoutResponseResolver] to use for generating outgoing {@code LogoutResponse}s.
+ */
+@Saml2SecurityMarker
+class LogoutResponseDsl {
+    var logoutUrl = "/logout/saml2/slo"
+    var logoutResponseValidator: Saml2LogoutResponseValidator? = null
+    var logoutResponseResolver: Saml2LogoutResponseResolver? = null
+
+    internal fun get(): (Saml2LogoutConfigurer<HttpSecurity>.LogoutResponseConfigurer) -> Unit {
+        return { logoutResponse ->
+            logoutUrl.also { logoutResponse.logoutUrl(logoutUrl) }
+            logoutResponseValidator?.also { logoutResponse.logoutResponseValidator(logoutResponseValidator) }
+            logoutResponseResolver?.also { logoutResponse.logoutResponseResolver(logoutResponseResolver) }
+        }
+    }
+}

config/src/main/kotlin/org/springframework/security/config/annotation/web/saml2/Saml2SecurityMarker.kt

@@ -0,0 +1,26 @@
+/*
+ * Copyright 2002-2024 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.config.annotation.web.saml2
+
+/**
+ * Marker annotation indicating that the annotated class is part of the SAML 2.0 logout security DSL.
+ *
+ * @author Josh Cummings
+ * @since 6.3
+ */
+@DslMarker
+annotation class Saml2SecurityMarker

config/src/main/kotlin/org/springframework/security/config/web/server/ServerHttpSecurityDsl.kt

@@ -682,6 +682,36 @@ class ServerHttpSecurityDsl(private val http: ServerHttpSecurity, private val in
         this.http.oidcLogout(oidcLogoutCustomizer)
     }
 
+    /**
+     * Configures Session Management support.
+     *
+     * Example:
+     *
+     * ```
+     * @Configuration
+     * @EnableWebFluxSecurity
+     * open class SecurityConfig {
+     *
+     *  @Bean
+     *  open fun springWebFilterChain(http: ServerHttpSecurity): SecurityWebFilterChain {
+     *      return http {
+     *          sessionManagement {
+     *              sessionConcurrency { }
+     *          }
+     *       }
+     *   }
+     * }
+     * ```
+     *
+     * @param sessionManagementConfig custom configuration to configure the Session Management
+     * @since 6.3
+     * @see [ServerSessionManagementDsl]
+     */
+    fun sessionManagement(sessionManagementConfig: ServerSessionManagementDsl.() -> Unit) {
+        val sessionManagementCustomizer = ServerSessionManagementDsl().apply(sessionManagementConfig).get()
+        this.http.sessionManagement(sessionManagementCustomizer)
+    }
+
     /**
      * Apply all configurations to the provided [ServerHttpSecurity]
      */

config/src/main/kotlin/org/springframework/security/config/web/server/ServerSessionConcurrencyDsl.kt

@@ -0,0 +1,48 @@
+/*
+ * Copyright 2002-2023 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.config.web.server
+
+import org.springframework.security.core.session.ReactiveSessionRegistry
+import org.springframework.security.web.server.authentication.ServerMaximumSessionsExceededHandler
+import org.springframework.security.web.server.authentication.SessionLimit
+
+/**
+ * A Kotlin DSL to configure [ServerHttpSecurity] Session Concurrency support using idiomatic Kotlin code.
+ *
+ * @author Marcus da Coregio
+ * @since 6.3
+ */
+@ServerSecurityMarker
+class ServerSessionConcurrencyDsl {
+    var maximumSessions: SessionLimit? = null
+    var maximumSessionsExceededHandler: ServerMaximumSessionsExceededHandler? = null
+    var sessionRegistry: ReactiveSessionRegistry? = null
+
+    internal fun get(): (ServerHttpSecurity.SessionManagementSpec.ConcurrentSessionsSpec) -> Unit {
+        return { sessionConcurrency ->
+            maximumSessions?.also {
+                sessionConcurrency.maximumSessions(maximumSessions!!)
+            }
+            maximumSessionsExceededHandler?.also {
+                sessionConcurrency.maximumSessionsExceededHandler(maximumSessionsExceededHandler!!)
+            }
+            sessionRegistry?.also {
+                sessionConcurrency.sessionRegistry(sessionRegistry!!)
+            }
+        }
+    }
+}

config/src/main/kotlin/org/springframework/security/config/web/server/ServerSessionManagementDsl.kt

@@ -0,0 +1,64 @@
+/*
+ * Copyright 2002-2023 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.config.web.server
+
+/**
+ * A Kotlin DSL to configure [ServerHttpSecurity] Session Management using idiomatic Kotlin code.
+ *
+ * @author Marcus da Coregio
+ * @since 6.3
+ */
+@ServerSecurityMarker
+class ServerSessionManagementDsl {
+    private var sessionConcurrency: ((ServerHttpSecurity.SessionManagementSpec.ConcurrentSessionsSpec) -> Unit)? = null
+
+    /**
+     * Enables Session Management support.
+     *
+     * Example:
+     *
+     * ```
+     * @Configuration
+     * @EnableWebFluxSecurity
+     * open class SecurityConfig {
+     *
+     *  @Bean
+     *  open fun springWebFilterChain(http: ServerHttpSecurity): SecurityWebFilterChain {
+     *      return http {
+     *          sessionManagement {
+     *              sessionConcurrency {
+     *                  maximumSessions = { authentication -> Mono.just(1) }
+     *              }
+     *          }
+     *       }
+     *   }
+     * }
+     * ```
+     *
+     * @param backChannelConfig custom configurations to configure OIDC 1.0 Back-Channel Logout support
+     * @see [ServerOidcBackChannelLogoutDsl]
+     */
+    fun sessionConcurrency(sessionConcurrencyConfig: ServerSessionConcurrencyDsl.() -> Unit) {
+        this.sessionConcurrency = ServerSessionConcurrencyDsl().apply(sessionConcurrencyConfig).get()
+    }
+
+    internal fun get(): (ServerHttpSecurity.SessionManagementSpec) -> Unit {
+        return { sessionManagement ->
+            sessionConcurrency?.also { sessionManagement.concurrentSessions(sessionConcurrency) }
+        }
+    }
+}

config/src/main/resources/META-INF/spring.schemas

@@ -1,4 +1,5 @@
-http\://www.springframework.org/schema/security/spring-security.xsd=org/springframework/security/config/spring-security-6.2.xsd
+http\://www.springframework.org/schema/security/spring-security.xsd=org/springframework/security/config/spring-security-6.3.xsd
+http\://www.springframework.org/schema/security/spring-security-6.3.xsd=org/springframework/security/config/spring-security-6.3.xsd
 http\://www.springframework.org/schema/security/spring-security-6.2.xsd=org/springframework/security/config/spring-security-6.2.xsd
 http\://www.springframework.org/schema/security/spring-security-6.1.xsd=org/springframework/security/config/spring-security-6.1.xsd
 http\://www.springframework.org/schema/security/spring-security-6.0.xsd=org/springframework/security/config/spring-security-6.0.xsd
@@ -22,7 +23,8 @@ http\://www.springframework.org/schema/security/spring-security-2.0.xsd=org/spri
 http\://www.springframework.org/schema/security/spring-security-2.0.1.xsd=org/springframework/security/config/spring-security-2.0.1.xsd
 http\://www.springframework.org/schema/security/spring-security-2.0.2.xsd=org/springframework/security/config/spring-security-2.0.2.xsd
 http\://www.springframework.org/schema/security/spring-security-2.0.4.xsd=org/springframework/security/config/spring-security-2.0.4.xsd
-https\://www.springframework.org/schema/security/spring-security.xsd=org/springframework/security/config/spring-security-6.2.xsd
+https\://www.springframework.org/schema/security/spring-security.xsd=org/springframework/security/config/spring-security-6.3.xsd
+https\://www.springframework.org/schema/security/spring-security-6.3.xsd=org/springframework/security/config/spring-security-6.3.xsd
 https\://www.springframework.org/schema/security/spring-security-6.2.xsd=org/springframework/security/config/spring-security-6.2.xsd
 https\://www.springframework.org/schema/security/spring-security-6.1.xsd=org/springframework/security/config/spring-security-6.1.xsd
 https\://www.springframework.org/schema/security/spring-security-6.0.xsd=org/springframework/security/config/spring-security-6.0.xsd

config/src/test/java/org/springframework/security/SpringSecurityCoreVersionSerializableTests.java

@@ -29,6 +29,7 @@ import java.lang.reflect.Modifier;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
+import java.time.Instant;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.HashMap;
@@ -59,6 +60,7 @@ import org.springframework.security.cas.authentication.CasAssertionAuthenticatio
 import org.springframework.security.cas.authentication.CasAuthenticationToken;
 import org.springframework.security.cas.authentication.CasServiceTicketAuthenticationToken;
 import org.springframework.security.core.SpringSecurityCoreVersion;
+import org.springframework.security.core.session.ReactiveSessionInformation;
 import org.springframework.security.core.session.SessionInformation;
 import org.springframework.security.core.userdetails.UserDetails;
 import org.springframework.security.oauth2.client.OAuth2AuthorizedClient;
@@ -138,6 +140,8 @@ class SpringSecurityCoreVersionSerializableTests {
 		generatorByClassName.put(OidcUserInfo.class, (r) -> OidcUserInfo.builder().email("email@example.com").build());
 		generatorByClassName.put(SessionInformation.class,
 				(r) -> new SessionInformation(user, r.alphanumeric(4), new Date(1704378933936L)));
+		generatorByClassName.put(ReactiveSessionInformation.class,
+				(r) -> new ReactiveSessionInformation(user, r.alphanumeric(4), Instant.ofEpochMilli(1704378933936L)));
 		generatorByClassName.put(OAuth2LoginAuthenticationToken.class, (r) -> {
 			var token = new OAuth2LoginAuthenticationToken(clientRegistration,
 					TestOAuth2AuthorizationExchanges.success());
@@ -248,7 +252,6 @@ class SpringSecurityCoreVersionSerializableTests {
 
 	@ParameterizedTest
 	@MethodSource("getFilesToDeserialize")
-	@Disabled("The feature is only supported for versions >= 6.3")
 	void shouldBeAbleToDeserializeClassFromPreviousVersion(Path filePath) {
 		try (FileInputStream fileInputStream = new FileInputStream(filePath.toFile());
 				ObjectInputStream objectInputStream = new ObjectInputStream(fileInputStream)) {

config/src/test/java/org/springframework/security/config/annotation/method/configuration/AuthorizationProxyConfigurationTests.java

@@ -0,0 +1,137 @@
+/*
+ * Copyright 2002-2024 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.config.annotation.method.configuration;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import reactor.core.publisher.Mono;
+import reactor.test.StepVerifier;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.access.AccessDeniedException;
+import org.springframework.security.access.prepost.PostAuthorize;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.security.authentication.TestAuthentication;
+import org.springframework.security.authorization.AuthorizationProxyFactory;
+import org.springframework.security.config.test.SpringTestContext;
+import org.springframework.security.config.test.SpringTestContextExtension;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.context.ReactiveSecurityContextHolder;
+import org.springframework.security.test.context.annotation.SecurityTestExecutionListeners;
+import org.springframework.security.test.context.support.WithMockUser;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
+
+/**
+ * Tests for {@link PrePostMethodSecurityConfiguration}.
+ *
+ * @author Evgeniy Cheban
+ * @author Josh Cummings
+ */
+@ExtendWith({ SpringExtension.class, SpringTestContextExtension.class })
+@SecurityTestExecutionListeners
+public class AuthorizationProxyConfigurationTests {
+
+	public final SpringTestContext spring = new SpringTestContext(this);
+
+	@Autowired
+	AuthorizationProxyFactory proxyFactory;
+
+	@WithMockUser
+	@Test
+	public void proxyWhenNotPreAuthorizedThenDenies() {
+		this.spring.register(DefaultsConfig.class).autowire();
+		Toaster toaster = (Toaster) this.proxyFactory.proxy(new Toaster());
+		assertThatExceptionOfType(AccessDeniedException.class).isThrownBy(toaster::makeToast)
+			.withMessage("Access Denied");
+		assertThatExceptionOfType(AccessDeniedException.class).isThrownBy(toaster::extractBread)
+			.withMessage("Access Denied");
+	}
+
+	@WithMockUser(roles = "ADMIN")
+	@Test
+	public void proxyWhenPreAuthorizedThenAllows() {
+		this.spring.register(DefaultsConfig.class).autowire();
+		Toaster toaster = (Toaster) this.proxyFactory.proxy(new Toaster());
+		toaster.makeToast();
+		assertThat(toaster.extractBread()).isEqualTo("yummy");
+	}
+
+	@Test
+	public void proxyReactiveWhenNotPreAuthorizedThenDenies() {
+		this.spring.register(ReactiveDefaultsConfig.class).autowire();
+		Toaster toaster = (Toaster) this.proxyFactory.proxy(new Toaster());
+		Authentication user = TestAuthentication.authenticatedUser();
+		StepVerifier
+			.create(toaster.reactiveMakeToast().contextWrite(ReactiveSecurityContextHolder.withAuthentication(user)))
+			.verifyError(AccessDeniedException.class);
+		StepVerifier
+			.create(toaster.reactiveExtractBread().contextWrite(ReactiveSecurityContextHolder.withAuthentication(user)))
+			.verifyError(AccessDeniedException.class);
+	}
+
+	@Test
+	public void proxyReactiveWhenPreAuthorizedThenAllows() {
+		this.spring.register(ReactiveDefaultsConfig.class).autowire();
+		Toaster toaster = (Toaster) this.proxyFactory.proxy(new Toaster());
+		Authentication admin = TestAuthentication.authenticatedAdmin();
+		StepVerifier
+			.create(toaster.reactiveMakeToast().contextWrite(ReactiveSecurityContextHolder.withAuthentication(admin)))
+			.expectNext()
+			.verifyComplete();
+	}
+
+	@EnableMethodSecurity
+	@Configuration
+	static class DefaultsConfig {
+
+	}
+
+	@EnableReactiveMethodSecurity
+	@Configuration
+	static class ReactiveDefaultsConfig {
+
+	}
+
+	static class Toaster {
+
+		@PreAuthorize("hasRole('ADMIN')")
+		void makeToast() {
+
+		}
+
+		@PostAuthorize("hasRole('ADMIN')")
+		String extractBread() {
+			return "yummy";
+		}
+
+		@PreAuthorize("hasRole('ADMIN')")
+		Mono<Void> reactiveMakeToast() {
+			return Mono.empty();
+		}
+
+		@PostAuthorize("hasRole('ADMIN')")
+		Mono<String> reactiveExtractBread() {
+			return Mono.just("yummy");
+		}
+
+	}
+
+}

config/src/test/java/org/springframework/security/config/annotation/method/configuration/Authz.java

@@ -18,6 +18,8 @@ package org.springframework.security.config.annotation.method.configuration;
 
 import reactor.core.publisher.Mono;
 
+import org.springframework.security.authorization.AuthorizationDecision;
+import org.springframework.security.authorization.AuthorizationResult;
 import org.springframework.security.core.Authentication;
 import org.springframework.stereotype.Component;
 
@@ -45,4 +47,20 @@ public class Authz {
 		return message != null && message.contains(authentication.getName());
 	}
 
+	public AuthorizationResult checkResult(boolean result) {
+		return new AuthzResult(result);
+	}
+
+	public Mono<AuthorizationResult> checkReactiveResult(boolean result) {
+		return Mono.just(checkResult(result));
+	}
+
+	public static class AuthzResult extends AuthorizationDecision {
+
+		public AuthzResult(boolean granted) {
+			super(granted);
+		}
+
+	}
+
 }

config/src/test/java/org/springframework/security/config/annotation/method/configuration/MethodSecurityService.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,23 +16,42 @@
 
 package org.springframework.security.config.annotation.method.configuration;
 
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Inherited;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 import java.util.List;
 
 import jakarta.annotation.security.DenyAll;
 import jakarta.annotation.security.PermitAll;
 import jakarta.annotation.security.RolesAllowed;
+import org.aopalliance.intercept.MethodInvocation;
 
+import org.springframework.context.ApplicationContext;
+import org.springframework.core.annotation.AnnotationUtils;
+import org.springframework.expression.EvaluationContext;
+import org.springframework.expression.Expression;
 import org.springframework.security.access.annotation.Secured;
+import org.springframework.security.access.expression.method.DefaultMethodSecurityExpressionHandler;
 import org.springframework.security.access.prepost.PostAuthorize;
 import org.springframework.security.access.prepost.PostFilter;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.security.access.prepost.PreFilter;
+import org.springframework.security.authorization.AuthorizationResult;
+import org.springframework.security.authorization.method.AuthorizeReturnObject;
+import org.springframework.security.authorization.method.HandleAuthorizationDenied;
+import org.springframework.security.authorization.method.MethodAuthorizationDeniedHandler;
+import org.springframework.security.authorization.method.MethodInvocationResult;
 import org.springframework.security.core.Authentication;
+import org.springframework.security.core.context.SecurityContextHolder;
 import org.springframework.security.core.parameters.P;
+import org.springframework.util.StringUtils;
 
 /**
  * @author Rob Winch
  */
+@MethodSecurityService.Mask("classmask")
 public interface MethodSecurityService {
 
 	@PreAuthorize("denyAll")
@@ -53,6 +72,9 @@ public interface MethodSecurityService {
 	@RolesAllowed("ADMIN")
 	String jsr250RolesAllowed();
 
+	@RolesAllowed("USER")
+	String jsr250RolesAllowedUser();
+
 	@Secured({ "ROLE_USER", "RUN_AS_SUPER" })
 	Authentication runAs();
 
@@ -68,6 +90,9 @@ public interface MethodSecurityService {
 	@PreAuthorize("hasRole('ADMIN')")
 	void preAuthorizeAdmin();
 
+	@PreAuthorize("hasRole('USER')")
+	void preAuthorizeUser();
+
 	@PreAuthorize("hasPermission(#object,'read')")
 	String hasPermission(String object);
 
@@ -90,8 +115,248 @@ public interface MethodSecurityService {
 	@PostAuthorize("returnObject.size == 2")
 	List<String> manyAnnotations(List<String> array);
 
+	@PreFilter("filterObject != 'DropOnPreFilter'")
+	@PreAuthorize("#list.remove('DropOnPreAuthorize')")
+	@Secured("ROLE_SECURED")
+	@RolesAllowed("JSR250")
+	@PostAuthorize("#list.remove('DropOnPostAuthorize')")
+	@PostFilter("filterObject != 'DropOnPostFilter'")
+	List<String> allAnnotations(List<String> list);
+
 	@RequireUserRole
 	@RequireAdminRole
 	void repeatedAnnotations();
 
+	@PreAuthorize("hasRole('ADMIN')")
+	@HandleAuthorizationDenied(handlerClass = StarMaskingHandler.class)
+	String preAuthorizeGetCardNumberIfAdmin(String cardNumber);
+
+	@PreAuthorize("hasRole('ADMIN')")
+	@HandleAuthorizationDenied(handlerClass = StartMaskingHandlerChild.class)
+	String preAuthorizeWithHandlerChildGetCardNumberIfAdmin(String cardNumber);
+
+	@PreAuthorize("hasRole('ADMIN')")
+	@HandleAuthorizationDenied(handlerClass = StarMaskingHandler.class)
+	String preAuthorizeThrowAccessDeniedManually();
+
+	@PostAuthorize("hasRole('ADMIN')")
+	@HandleAuthorizationDenied(handlerClass = CardNumberMaskingPostProcessor.class)
+	String postAuthorizeGetCardNumberIfAdmin(String cardNumber);
+
+	@PostAuthorize("hasRole('ADMIN')")
+	@HandleAuthorizationDenied(handlerClass = PostMaskingPostProcessor.class)
+	String postAuthorizeThrowAccessDeniedManually();
+
+	@PreAuthorize("denyAll()")
+	@Mask("methodmask")
+	@HandleAuthorizationDenied(handlerClass = MaskAnnotationHandler.class)
+	String preAuthorizeDeniedMethodWithMaskAnnotation();
+
+	@PreAuthorize("denyAll()")
+	@HandleAuthorizationDenied(handlerClass = MaskAnnotationHandler.class)
+	String preAuthorizeDeniedMethodWithNoMaskAnnotation();
+
+	@NullDenied(role = "ADMIN")
+	String postAuthorizeDeniedWithNullDenied();
+
+	@PostAuthorize("denyAll()")
+	@Mask("methodmask")
+	@HandleAuthorizationDenied(handlerClass = MaskAnnotationPostProcessor.class)
+	String postAuthorizeDeniedMethodWithMaskAnnotation();
+
+	@PostAuthorize("denyAll()")
+	@HandleAuthorizationDenied(handlerClass = MaskAnnotationPostProcessor.class)
+	String postAuthorizeDeniedMethodWithNoMaskAnnotation();
+
+	@PreAuthorize("hasRole('ADMIN')")
+	@Mask(expression = "@myMasker.getMask()")
+	@HandleAuthorizationDenied(handlerClass = MaskAnnotationHandler.class)
+	String preAuthorizeWithMaskAnnotationUsingBean();
+
+	@PostAuthorize("hasRole('ADMIN')")
+	@Mask(expression = "@myMasker.getMask(returnObject)")
+	@HandleAuthorizationDenied(handlerClass = MaskAnnotationPostProcessor.class)
+	String postAuthorizeWithMaskAnnotationUsingBean();
+
+	@AuthorizeReturnObject
+	UserRecordWithEmailProtected getUserRecordWithEmailProtected();
+
+	@PreAuthorize("hasRole('ADMIN')")
+	@HandleAuthorizationDenied(handlerClass = UserFallbackDeniedHandler.class)
+	UserRecordWithEmailProtected getUserWithFallbackWhenUnauthorized();
+
+	@PreAuthorize("@authz.checkResult(#result)")
+	@PostAuthorize("@authz.checkResult(!#result)")
+	@HandleAuthorizationDenied(handlerClass = MethodAuthorizationDeniedHandler.class)
+	String checkCustomResult(boolean result);
+
+	class StarMaskingHandler implements MethodAuthorizationDeniedHandler {
+
+		@Override
+		public Object handleDeniedInvocation(MethodInvocation methodInvocation, AuthorizationResult result) {
+			return "***";
+		}
+
+	}
+
+	class StartMaskingHandlerChild extends StarMaskingHandler {
+
+		@Override
+		public Object handleDeniedInvocation(MethodInvocation methodInvocation, AuthorizationResult result) {
+			return super.handleDeniedInvocation(methodInvocation, result) + "-child";
+		}
+
+	}
+
+	class MaskAnnotationHandler implements MethodAuthorizationDeniedHandler {
+
+		MaskValueResolver maskValueResolver;
+
+		MaskAnnotationHandler(ApplicationContext context) {
+			this.maskValueResolver = new MaskValueResolver(context);
+		}
+
+		public Object handle(MethodInvocation methodInvocation, AuthorizationResult result) {
+			Mask mask = AnnotationUtils.getAnnotation(methodInvocation.getMethod(), Mask.class);
+			if (mask == null) {
+				mask = AnnotationUtils.getAnnotation(methodInvocation.getMethod().getDeclaringClass(), Mask.class);
+			}
+			return this.maskValueResolver.resolveValue(mask, methodInvocation, null);
+		}
+
+		@Override
+		public Object handleDeniedInvocation(MethodInvocation methodInvocation,
+				AuthorizationResult authorizationResult) {
+			return handle(methodInvocation, authorizationResult);
+		}
+
+	}
+
+	class MaskAnnotationPostProcessor implements MethodAuthorizationDeniedHandler {
+
+		MaskValueResolver maskValueResolver;
+
+		MaskAnnotationPostProcessor(ApplicationContext context) {
+			this.maskValueResolver = new MaskValueResolver(context);
+		}
+
+		@Override
+		public Object handleDeniedInvocation(MethodInvocation mi, AuthorizationResult authorizationResult) {
+			Mask mask = AnnotationUtils.getAnnotation(mi.getMethod(), Mask.class);
+			if (mask == null) {
+				mask = AnnotationUtils.getAnnotation(mi.getMethod().getDeclaringClass(), Mask.class);
+			}
+			return this.maskValueResolver.resolveValue(mask, mi, null);
+		}
+
+		@Override
+		public Object handleDeniedInvocationResult(MethodInvocationResult methodInvocationResult,
+				AuthorizationResult authorizationResult) {
+			MethodInvocation mi = methodInvocationResult.getMethodInvocation();
+			Mask mask = AnnotationUtils.getAnnotation(mi.getMethod(), Mask.class);
+			if (mask == null) {
+				mask = AnnotationUtils.getAnnotation(mi.getMethod().getDeclaringClass(), Mask.class);
+			}
+			return this.maskValueResolver.resolveValue(mask, mi, methodInvocationResult.getResult());
+		}
+
+	}
+
+	class MaskValueResolver {
+
+		DefaultMethodSecurityExpressionHandler expressionHandler;
+
+		MaskValueResolver(ApplicationContext context) {
+			this.expressionHandler = new DefaultMethodSecurityExpressionHandler();
+			this.expressionHandler.setApplicationContext(context);
+		}
+
+		String resolveValue(Mask mask, MethodInvocation mi, Object returnObject) {
+			if (StringUtils.hasText(mask.value())) {
+				return mask.value();
+			}
+			Expression expression = this.expressionHandler.getExpressionParser().parseExpression(mask.expression());
+			EvaluationContext evaluationContext = this.expressionHandler
+				.createEvaluationContext(() -> SecurityContextHolder.getContext().getAuthentication(), mi);
+			if (returnObject != null) {
+				this.expressionHandler.setReturnObject(returnObject, evaluationContext);
+			}
+			return expression.getValue(evaluationContext, String.class);
+		}
+
+	}
+
+	class PostMaskingPostProcessor implements MethodAuthorizationDeniedHandler {
+
+		@Override
+		public Object handleDeniedInvocation(MethodInvocation methodInvocation,
+				AuthorizationResult authorizationResult) {
+			return "***";
+		}
+
+	}
+
+	class CardNumberMaskingPostProcessor implements MethodAuthorizationDeniedHandler {
+
+		static String MASK = "****-****-****-";
+
+		@Override
+		public Object handleDeniedInvocation(MethodInvocation methodInvocation,
+				AuthorizationResult authorizationResult) {
+			return "***";
+		}
+
+		@Override
+		public Object handleDeniedInvocationResult(MethodInvocationResult contextObject, AuthorizationResult result) {
+			String cardNumber = (String) contextObject.getResult();
+			return MASK + cardNumber.substring(cardNumber.length() - 4);
+		}
+
+	}
+
+	class NullPostProcessor implements MethodAuthorizationDeniedHandler {
+
+		@Override
+		public Object handleDeniedInvocation(MethodInvocation methodInvocation,
+				AuthorizationResult authorizationResult) {
+			return null;
+		}
+
+	}
+
+	@Target({ ElementType.METHOD, ElementType.TYPE })
+	@Retention(RetentionPolicy.RUNTIME)
+	@Inherited
+	@interface Mask {
+
+		String value() default "";
+
+		String expression() default "";
+
+	}
+
+	@Target({ ElementType.METHOD, ElementType.TYPE })
+	@Retention(RetentionPolicy.RUNTIME)
+	@Inherited
+	@PostAuthorize("hasRole('{role}')")
+	@HandleAuthorizationDenied(handlerClass = NullPostProcessor.class)
+	@interface NullDenied {
+
+		String role();
+
+	}
+
+	class UserFallbackDeniedHandler implements MethodAuthorizationDeniedHandler {
+
+		private static final UserRecordWithEmailProtected FALLBACK = new UserRecordWithEmailProtected("Protected",
+				"Protected");
+
+		@Override
+		public Object handleDeniedInvocation(MethodInvocation methodInvocation,
+				AuthorizationResult authorizationResult) {
+			return FALLBACK;
+		}
+
+	}
+
 }

config/src/test/java/org/springframework/security/config/annotation/method/configuration/MethodSecurityServiceConfig.java

@@ -28,4 +28,14 @@ public class MethodSecurityServiceConfig {
 		return new MethodSecurityServiceImpl();
 	}
 
+	@Bean
+	ReactiveMethodSecurityService reactiveService() {
+		return new ReactiveMethodSecurityServiceImpl();
+	}
+
+	@Bean
+	Authz authz() {
+		return new Authz();
+	}
+
 }

config/src/test/java/org/springframework/security/config/annotation/method/configuration/MethodSecurityServiceImpl.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2022 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,6 +18,8 @@ package org.springframework.security.config.annotation.method.configuration;
 
 import java.util.List;
 
+import org.springframework.security.authorization.AuthorizationDecision;
+import org.springframework.security.authorization.AuthorizationDeniedException;
 import org.springframework.security.core.Authentication;
 import org.springframework.security.core.context.SecurityContextHolder;
 
@@ -56,6 +58,11 @@ public class MethodSecurityServiceImpl implements MethodSecurityService {
 		return null;
 	}
 
+	@Override
+	public String jsr250RolesAllowedUser() {
+		return null;
+	}
+
 	@Override
 	public Authentication runAs() {
 		return SecurityContextHolder.getContext().getAuthentication();
@@ -73,6 +80,10 @@ public class MethodSecurityServiceImpl implements MethodSecurityService {
 	public void preAuthorizeAdmin() {
 	}
 
+	@Override
+	public void preAuthorizeUser() {
+	}
+
 	@Override
 	public String preAuthorizePermitAll() {
 		return null;
@@ -108,8 +119,88 @@ public class MethodSecurityServiceImpl implements MethodSecurityService {
 		return object;
 	}
 
+	@Override
+	public List<String> allAnnotations(List<String> list) {
+		return null;
+	}
+
 	@Override
 	public void repeatedAnnotations() {
 	}
 
+	@Override
+	public String postAuthorizeGetCardNumberIfAdmin(String cardNumber) {
+		return cardNumber;
+	}
+
+	@Override
+	public String preAuthorizeGetCardNumberIfAdmin(String cardNumber) {
+		return cardNumber;
+	}
+
+	@Override
+	public String preAuthorizeWithHandlerChildGetCardNumberIfAdmin(String cardNumber) {
+		return cardNumber;
+	}
+
+	@Override
+	public String preAuthorizeThrowAccessDeniedManually() {
+		throw new AuthorizationDeniedException("Access Denied", new AuthorizationDecision(false));
+	}
+
+	@Override
+	public String postAuthorizeThrowAccessDeniedManually() {
+		throw new AuthorizationDeniedException("Access Denied", new AuthorizationDecision(false));
+	}
+
+	@Override
+	public String preAuthorizeDeniedMethodWithMaskAnnotation() {
+		return "ok";
+	}
+
+	@Override
+	public String preAuthorizeDeniedMethodWithNoMaskAnnotation() {
+		return "ok";
+	}
+
+	@Override
+	public String postAuthorizeDeniedWithNullDenied() {
+		return "ok";
+	}
+
+	@Override
+	public String postAuthorizeDeniedMethodWithMaskAnnotation() {
+		return "ok";
+	}
+
+	@Override
+	public String postAuthorizeDeniedMethodWithNoMaskAnnotation() {
+		return "ok";
+	}
+
+	@Override
+	public String preAuthorizeWithMaskAnnotationUsingBean() {
+		return "ok";
+	}
+
+	@Override
+	public String postAuthorizeWithMaskAnnotationUsingBean() {
+		return "ok";
+	}
+
+	@Override
+	public UserRecordWithEmailProtected getUserRecordWithEmailProtected() {
+		return new UserRecordWithEmailProtected("username", "useremail@example.com");
+	}
+
+	@Override
+	public UserRecordWithEmailProtected getUserWithFallbackWhenUnauthorized() {
+		return new UserRecordWithEmailProtected("username", "useremail@example.com");
+	}
+
+	@Override
+	public String checkCustomResult(boolean result) {
+		return "ok";
+	}
+
 }

config/src/test/java/org/springframework/security/config/annotation/method/configuration/MyMasker.java

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2002-2024 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.config.annotation.method.configuration;
+
+public class MyMasker {
+
+	public String getMask(String value) {
+		return value + "-masked";
+	}
+
+	public String getMask() {
+		return "mask";
+	}
+
+}

config/src/test/java/org/springframework/security/config/annotation/method/configuration/PrePostMethodSecurityConfigurationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -17,9 +17,14 @@
 package org.springframework.security.config.annotation.method.configuration;
 
 import java.io.Serializable;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Iterator;
 import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
 import java.util.function.Consumer;
 import java.util.function.Supplier;
 
@@ -36,6 +41,7 @@ import org.springframework.beans.factory.config.BeanDefinition;
 import org.springframework.context.annotation.AdviceMode;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Import;
 import org.springframework.context.annotation.Role;
 import org.springframework.core.annotation.AnnotationConfigurationException;
 import org.springframework.security.access.AccessDeniedException;
@@ -46,12 +52,24 @@ import org.springframework.security.access.annotation.ExpressionProtectedBusines
 import org.springframework.security.access.annotation.Jsr250BusinessServiceImpl;
 import org.springframework.security.access.expression.method.DefaultMethodSecurityExpressionHandler;
 import org.springframework.security.access.expression.method.MethodSecurityExpressionHandler;
+import org.springframework.security.access.hierarchicalroles.RoleHierarchy;
+import org.springframework.security.access.hierarchicalroles.RoleHierarchyImpl;
+import org.springframework.security.access.prepost.PostAuthorize;
+import org.springframework.security.access.prepost.PostFilter;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.security.access.prepost.PreFilter;
 import org.springframework.security.authorization.AuthorizationDecision;
 import org.springframework.security.authorization.AuthorizationEventPublisher;
 import org.springframework.security.authorization.AuthorizationManager;
+import org.springframework.security.authorization.method.AuthorizationAdvisorProxyFactory;
+import org.springframework.security.authorization.method.AuthorizationAdvisorProxyFactory.TargetVisitor;
 import org.springframework.security.authorization.method.AuthorizationInterceptorsOrder;
 import org.springframework.security.authorization.method.AuthorizationManagerBeforeMethodInterceptor;
+import org.springframework.security.authorization.method.AuthorizeReturnObject;
+import org.springframework.security.authorization.method.MethodAuthorizationDeniedHandler;
 import org.springframework.security.authorization.method.MethodInvocationResult;
+import org.springframework.security.authorization.method.PrePostTemplateDefaults;
+import org.springframework.security.config.Customizer;
 import org.springframework.security.config.annotation.SecurityContextChangedListenerConfig;
 import org.springframework.security.config.core.GrantedAuthorityDefaults;
 import org.springframework.security.config.test.SpringTestContext;
@@ -70,9 +88,12 @@ import org.springframework.web.context.support.AnnotationConfigWebApplicationCon
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
+import static org.assertj.core.api.Assertions.assertThatNoException;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.atLeastOnce;
+import static org.mockito.Mockito.clearInvocations;
 import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
 import static org.mockito.Mockito.verify;
 
 /**
@@ -439,7 +460,6 @@ public class PrePostMethodSecurityConfigurationTests {
 		assertThat(this.spring.getContext().containsBean("annotationSecurityAspect$0")).isFalse();
 	}
 
-	// gh-13572
 	@Test
 	public void configureWhenBeanOverridingDisallowedThenWorks() {
 		this.spring.register(MethodSecurityServiceConfig.class, BusinessServiceConfig.class)
@@ -447,10 +467,506 @@ public class PrePostMethodSecurityConfigurationTests {
 			.autowire();
 	}
 
+	@WithMockUser(roles = "ADMIN")
+	@Test
+	public void methodSecurityAdminWhenRoleHierarchyBeanAvailableThenUses() {
+		this.spring.register(RoleHierarchyConfig.class, MethodSecurityServiceConfig.class).autowire();
+		this.methodSecurityService.preAuthorizeUser();
+		this.methodSecurityService.securedUser();
+		this.methodSecurityService.jsr250RolesAllowedUser();
+	}
+
+	@WithMockUser
+	@Test
+	public void methodSecurityUserWhenRoleHierarchyBeanAvailableThenUses() {
+		this.spring.register(RoleHierarchyConfig.class, MethodSecurityServiceConfig.class).autowire();
+		this.methodSecurityService.preAuthorizeUser();
+		this.methodSecurityService.securedUser();
+		this.methodSecurityService.jsr250RolesAllowedUser();
+	}
+
+	@WithMockUser(roles = "ADMIN")
+	@Test
+	public void methodSecurityAdminWhenAuthorizationEventPublisherBeanAvailableThenUses() {
+		this.spring
+			.register(RoleHierarchyConfig.class, MethodSecurityServiceConfig.class,
+					AuthorizationEventPublisherConfig.class)
+			.autowire();
+		this.methodSecurityService.preAuthorizeUser();
+		this.methodSecurityService.securedUser();
+		this.methodSecurityService.jsr250RolesAllowedUser();
+	}
+
+	@WithMockUser
+	@Test
+	public void methodSecurityUserWhenAuthorizationEventPublisherBeanAvailableThenUses() {
+		this.spring
+			.register(RoleHierarchyConfig.class, MethodSecurityServiceConfig.class,
+					AuthorizationEventPublisherConfig.class)
+			.autowire();
+		this.methodSecurityService.preAuthorizeUser();
+		this.methodSecurityService.securedUser();
+		this.methodSecurityService.jsr250RolesAllowedUser();
+	}
+
+	@Test
+	public void allAnnotationsWhenAdviceBeforeOffsetPreFilterThenReturnsFilteredList() {
+		this.spring.register(ReturnBeforeOffsetPreFilterConfig.class).autowire();
+		List<String> list = Arrays.asList("DropOnPreFilter", "DropOnPreAuthorize", "DropOnPostAuthorize",
+				"DropOnPostFilter", "DoNotDrop");
+		List<String> filtered = this.methodSecurityService.allAnnotations(new ArrayList<>(list));
+		assertThat(filtered).hasSize(5);
+		assertThat(filtered).containsExactly("DropOnPreFilter", "DropOnPreAuthorize", "DropOnPostAuthorize",
+				"DropOnPostFilter", "DoNotDrop");
+	}
+
+	@Test
+	public void allAnnotationsWhenAdviceBeforeOffsetPreAuthorizeThenReturnsFilteredList() {
+		this.spring.register(ReturnBeforeOffsetPreAuthorizeConfig.class).autowire();
+		List<String> list = Arrays.asList("DropOnPreFilter", "DropOnPreAuthorize", "DropOnPostAuthorize",
+				"DropOnPostFilter", "DoNotDrop");
+		List<String> filtered = this.methodSecurityService.allAnnotations(new ArrayList<>(list));
+		assertThat(filtered).hasSize(4);
+		assertThat(filtered).containsExactly("DropOnPreAuthorize", "DropOnPostAuthorize", "DropOnPostFilter",
+				"DoNotDrop");
+	}
+
+	@Test
+	public void allAnnotationsWhenAdviceBeforeOffsetSecuredThenReturnsFilteredList() {
+		this.spring.register(ReturnBeforeOffsetSecuredConfig.class).autowire();
+		List<String> list = Arrays.asList("DropOnPreFilter", "DropOnPreAuthorize", "DropOnPostAuthorize",
+				"DropOnPostFilter", "DoNotDrop");
+		List<String> filtered = this.methodSecurityService.allAnnotations(new ArrayList<>(list));
+		assertThat(filtered).hasSize(3);
+		assertThat(filtered).containsExactly("DropOnPostAuthorize", "DropOnPostFilter", "DoNotDrop");
+	}
+
+	@Test
+	@WithMockUser
+	public void allAnnotationsWhenAdviceBeforeOffsetJsr250WithInsufficientRolesThenFails() {
+		this.spring.register(ReturnBeforeOffsetJsr250Config.class).autowire();
+		List<String> list = Arrays.asList("DropOnPreFilter", "DropOnPreAuthorize", "DropOnPostAuthorize",
+				"DropOnPostFilter", "DoNotDrop");
+		assertThatExceptionOfType(AccessDeniedException.class)
+			.isThrownBy(() -> this.methodSecurityService.allAnnotations(new ArrayList<>(list)));
+	}
+
+	@Test
+	@WithMockUser(roles = "SECURED")
+	public void allAnnotationsWhenAdviceBeforeOffsetJsr250ThenReturnsFilteredList() {
+		this.spring.register(ReturnBeforeOffsetJsr250Config.class).autowire();
+		List<String> list = Arrays.asList("DropOnPreFilter", "DropOnPreAuthorize", "DropOnPostAuthorize",
+				"DropOnPostFilter", "DoNotDrop");
+		List<String> filtered = this.methodSecurityService.allAnnotations(new ArrayList<>(list));
+		assertThat(filtered).hasSize(3);
+		assertThat(filtered).containsExactly("DropOnPostAuthorize", "DropOnPostFilter", "DoNotDrop");
+	}
+
+	@Test
+	@WithMockUser(roles = { "SECURED" })
+	public void allAnnotationsWhenAdviceBeforeOffsetPostAuthorizeWithInsufficientRolesThenFails() {
+		this.spring.register(ReturnBeforeOffsetPostAuthorizeConfig.class).autowire();
+		List<String> list = Arrays.asList("DropOnPreFilter", "DropOnPreAuthorize", "DropOnPostAuthorize",
+				"DropOnPostFilter", "DoNotDrop");
+		assertThatExceptionOfType(AccessDeniedException.class)
+			.isThrownBy(() -> this.methodSecurityService.allAnnotations(new ArrayList<>(list)));
+	}
+
+	@Test
+	@WithMockUser(roles = { "SECURED", "JSR250" })
+	public void allAnnotationsWhenAdviceBeforeOffsetPostAuthorizeThenReturnsFilteredList() {
+		this.spring.register(ReturnBeforeOffsetPostAuthorizeConfig.class).autowire();
+		List<String> list = Arrays.asList("DropOnPreFilter", "DropOnPreAuthorize", "DropOnPostAuthorize",
+				"DropOnPostFilter", "DoNotDrop");
+		List<String> filtered = this.methodSecurityService.allAnnotations(new ArrayList<>(list));
+		assertThat(filtered).hasSize(3);
+		assertThat(filtered).containsExactly("DropOnPostAuthorize", "DropOnPostFilter", "DoNotDrop");
+	}
+
+	@Test
+	@WithMockUser(roles = { "SECURED", "JSR250" })
+	public void allAnnotationsWhenAdviceBeforeOffsetPostFilterThenReturnsFilteredList() {
+		this.spring.register(ReturnBeforeOffsetPostFilterConfig.class).autowire();
+		List<String> list = Arrays.asList("DropOnPreFilter", "DropOnPreAuthorize", "DropOnPostAuthorize",
+				"DropOnPostFilter", "DoNotDrop");
+		List<String> filtered = this.methodSecurityService.allAnnotations(new ArrayList<>(list));
+		assertThat(filtered).hasSize(2);
+		assertThat(filtered).containsExactly("DropOnPostFilter", "DoNotDrop");
+	}
+
+	@Test
+	@WithMockUser(roles = { "SECURED", "JSR250" })
+	public void allAnnotationsWhenAdviceAfterAllOffsetThenReturnsFilteredList() {
+		this.spring.register(ReturnAfterAllOffsetConfig.class).autowire();
+		List<String> list = Arrays.asList("DropOnPreFilter", "DropOnPreAuthorize", "DropOnPostAuthorize",
+				"DropOnPostFilter", "DoNotDrop");
+		List<String> filtered = this.methodSecurityService.allAnnotations(new ArrayList<>(list));
+		assertThat(filtered).hasSize(1);
+		assertThat(filtered).containsExactly("DoNotDrop");
+	}
+
+	@Test
+	@WithMockUser
+	public void methodeWhenParameterizedPreAuthorizeMetaAnnotationThenPasses() {
+		this.spring.register(MetaAnnotationPlaceholderConfig.class).autowire();
+		MetaAnnotationService service = this.spring.getContext().getBean(MetaAnnotationService.class);
+		assertThat(service.hasRole("USER")).isTrue();
+	}
+
+	@Test
+	@WithMockUser
+	public void methodRoleWhenPreAuthorizeMetaAnnotationHardcodedParameterThenPasses() {
+		this.spring.register(MetaAnnotationPlaceholderConfig.class).autowire();
+		MetaAnnotationService service = this.spring.getContext().getBean(MetaAnnotationService.class);
+		assertThat(service.hasUserRole()).isTrue();
+	}
+
+	@Test
+	public void methodWhenParameterizedAnnotationThenFails() {
+		this.spring.register(MetaAnnotationPlaceholderConfig.class).autowire();
+		MetaAnnotationService service = this.spring.getContext().getBean(MetaAnnotationService.class);
+		assertThatExceptionOfType(IllegalArgumentException.class)
+			.isThrownBy(service::placeholdersOnlyResolvedByMetaAnnotations);
+	}
+
+	@Test
+	@WithMockUser(authorities = "SCOPE_message:read")
+	public void methodWhenMultiplePlaceholdersHasAuthorityThenPasses() {
+		this.spring.register(MetaAnnotationPlaceholderConfig.class).autowire();
+		MetaAnnotationService service = this.spring.getContext().getBean(MetaAnnotationService.class);
+		assertThat(service.readMessage()).isEqualTo("message");
+	}
+
+	@Test
+	@WithMockUser(roles = "ADMIN")
+	public void methodWhenMultiplePlaceholdersHasRoleThenPasses() {
+		this.spring.register(MetaAnnotationPlaceholderConfig.class).autowire();
+		MetaAnnotationService service = this.spring.getContext().getBean(MetaAnnotationService.class);
+		assertThat(service.readMessage()).isEqualTo("message");
+	}
+
+	@Test
+	@WithMockUser
+	public void methodWhenPostAuthorizeMetaAnnotationThenAuthorizes() {
+		this.spring.register(MetaAnnotationPlaceholderConfig.class).autowire();
+		MetaAnnotationService service = this.spring.getContext().getBean(MetaAnnotationService.class);
+		service.startsWithDave("daveMatthews");
+		assertThatExceptionOfType(AccessDeniedException.class)
+			.isThrownBy(() -> service.startsWithDave("jenniferHarper"));
+	}
+
+	@Test
+	@WithMockUser
+	public void methodWhenPreFilterMetaAnnotationThenFilters() {
+		this.spring.register(MetaAnnotationPlaceholderConfig.class).autowire();
+		MetaAnnotationService service = this.spring.getContext().getBean(MetaAnnotationService.class);
+		assertThat(service.parametersContainDave(new ArrayList<>(List.of("dave", "carla", "vanessa", "paul"))))
+			.containsExactly("dave");
+	}
+
+	@Test
+	@WithMockUser
+	public void methodWhenPostFilterMetaAnnotationThenFilters() {
+		this.spring.register(MetaAnnotationPlaceholderConfig.class).autowire();
+		MetaAnnotationService service = this.spring.getContext().getBean(MetaAnnotationService.class);
+		assertThat(service.resultsContainDave(new ArrayList<>(List.of("dave", "carla", "vanessa", "paul"))))
+			.containsExactly("dave");
+	}
+
+	@Test
+	@WithMockUser(authorities = "airplane:read")
+	public void findByIdWhenAuthorizedResultThenAuthorizes() {
+		this.spring.register(AuthorizeResultConfig.class).autowire();
+		FlightRepository flights = this.spring.getContext().getBean(FlightRepository.class);
+		Flight flight = flights.findById("1");
+		assertThatNoException().isThrownBy(flight::getAltitude);
+		assertThatNoException().isThrownBy(flight::getSeats);
+	}
+
+	@Test
+	@WithMockUser(authorities = "seating:read")
+	public void findByIdWhenUnauthorizedResultThenDenies() {
+		this.spring.register(AuthorizeResultConfig.class).autowire();
+		FlightRepository flights = this.spring.getContext().getBean(FlightRepository.class);
+		Flight flight = flights.findById("1");
+		assertThatNoException().isThrownBy(flight::getSeats);
+		assertThatExceptionOfType(AccessDeniedException.class).isThrownBy(flight::getAltitude);
+	}
+
+	@Test
+	@WithMockUser(authorities = "seating:read")
+	public void findAllWhenUnauthorizedResultThenDenies() {
+		this.spring.register(AuthorizeResultConfig.class).autowire();
+		FlightRepository flights = this.spring.getContext().getBean(FlightRepository.class);
+		flights.findAll().forEachRemaining((flight) -> {
+			assertThatNoException().isThrownBy(flight::getSeats);
+			assertThatExceptionOfType(AccessDeniedException.class).isThrownBy(flight::getAltitude);
+		});
+	}
+
+	@Test
+	public void removeWhenAuthorizedResultThenRemoves() {
+		this.spring.register(AuthorizeResultConfig.class).autowire();
+		FlightRepository flights = this.spring.getContext().getBean(FlightRepository.class);
+		flights.remove("1");
+	}
+
+	@Test
+	@WithMockUser(authorities = "airplane:read")
+	public void findAllWhenPostFilterThenFilters() {
+		this.spring.register(AuthorizeResultConfig.class).autowire();
+		FlightRepository flights = this.spring.getContext().getBean(FlightRepository.class);
+		flights.findAll()
+			.forEachRemaining((flight) -> assertThat(flight.getPassengers()).extracting(Passenger::getName)
+				.doesNotContain("Kevin Mitnick"));
+	}
+
+	@Test
+	@WithMockUser(authorities = "airplane:read")
+	public void findAllWhenPreFilterThenFilters() {
+		this.spring.register(AuthorizeResultConfig.class).autowire();
+		FlightRepository flights = this.spring.getContext().getBean(FlightRepository.class);
+		flights.findAll().forEachRemaining((flight) -> {
+			flight.board(new ArrayList<>(List.of("John")));
+			assertThat(flight.getPassengers()).extracting(Passenger::getName).doesNotContain("John");
+			flight.board(new ArrayList<>(List.of("John Doe")));
+			assertThat(flight.getPassengers()).extracting(Passenger::getName).contains("John Doe");
+		});
+	}
+
+	@Test
+	@WithMockUser(authorities = "seating:read")
+	public void findAllWhenNestedPreAuthorizeThenAuthorizes() {
+		this.spring.register(AuthorizeResultConfig.class).autowire();
+		FlightRepository flights = this.spring.getContext().getBean(FlightRepository.class);
+		flights.findAll().forEachRemaining((flight) -> {
+			List<Passenger> passengers = flight.getPassengers();
+			passengers.forEach((passenger) -> assertThatExceptionOfType(AccessDeniedException.class)
+				.isThrownBy(passenger::getName));
+		});
+	}
+
+	@Test
+	@WithMockUser
+	void getCardNumberWhenPostAuthorizeAndNotAdminThenReturnMasked() {
+		this.spring
+			.register(MethodSecurityServiceEnabledConfig.class,
+					MethodSecurityService.CardNumberMaskingPostProcessor.class)
+			.autowire();
+		MethodSecurityService service = this.spring.getContext().getBean(MethodSecurityService.class);
+		String cardNumber = service.postAuthorizeGetCardNumberIfAdmin("4444-3333-2222-1111");
+		assertThat(cardNumber).isEqualTo("****-****-****-1111");
+	}
+
+	@Test
+	@WithMockUser
+	void getCardNumberWhenPreAuthorizeAndNotAdminThenReturnMasked() {
+		this.spring.register(MethodSecurityServiceEnabledConfig.class, MethodSecurityService.StarMaskingHandler.class)
+			.autowire();
+		MethodSecurityService service = this.spring.getContext().getBean(MethodSecurityService.class);
+		String cardNumber = service.preAuthorizeGetCardNumberIfAdmin("4444-3333-2222-1111");
+		assertThat(cardNumber).isEqualTo("***");
+	}
+
+	@Test
+	@WithMockUser
+	void getCardNumberWhenPreAuthorizeAndNotAdminAndChildHandlerThenResolveCorrectHandlerAndReturnMasked() {
+		this.spring
+			.register(MethodSecurityServiceEnabledConfig.class, MethodSecurityService.StarMaskingHandler.class,
+					MethodSecurityService.StartMaskingHandlerChild.class)
+			.autowire();
+		MethodSecurityService service = this.spring.getContext().getBean(MethodSecurityService.class);
+		String cardNumber = service.preAuthorizeWithHandlerChildGetCardNumberIfAdmin("4444-3333-2222-1111");
+		assertThat(cardNumber).isEqualTo("***-child");
+	}
+
+	@Test
+	@WithMockUser(roles = "ADMIN")
+	void preAuthorizeWhenHandlerAndAccessDeniedNotThrownFromPreAuthorizeThenHandled() {
+		this.spring.register(MethodSecurityServiceEnabledConfig.class, MethodSecurityService.StarMaskingHandler.class)
+			.autowire();
+		MethodSecurityService service = this.spring.getContext().getBean(MethodSecurityService.class);
+		assertThat(service.preAuthorizeThrowAccessDeniedManually()).isEqualTo("***");
+	}
+
+	@Test
+	@WithMockUser(roles = "ADMIN")
+	void postAuthorizeWhenHandlerAndAccessDeniedNotThrownFromPostAuthorizeThenHandled() {
+		this.spring
+			.register(MethodSecurityServiceEnabledConfig.class, MethodSecurityService.PostMaskingPostProcessor.class)
+			.autowire();
+		MethodSecurityService service = this.spring.getContext().getBean(MethodSecurityService.class);
+		assertThat(service.postAuthorizeThrowAccessDeniedManually()).isEqualTo("***");
+	}
+
+	@Test
+	@WithMockUser
+	void preAuthorizeWhenDeniedAndHandlerWithCustomAnnotationThenHandlerCanUseMaskFromOtherAnnotation() {
+		this.spring
+			.register(MethodSecurityServiceEnabledConfig.class, MethodSecurityService.MaskAnnotationHandler.class)
+			.autowire();
+		MethodSecurityService service = this.spring.getContext().getBean(MethodSecurityService.class);
+		String result = service.preAuthorizeDeniedMethodWithMaskAnnotation();
+		assertThat(result).isEqualTo("methodmask");
+	}
+
+	@Test
+	@WithMockUser
+	void preAuthorizeWhenDeniedAndHandlerWithCustomAnnotationInClassThenHandlerCanUseMaskFromOtherAnnotation() {
+		this.spring
+			.register(MethodSecurityServiceEnabledConfig.class, MethodSecurityService.MaskAnnotationHandler.class)
+			.autowire();
+		MethodSecurityService service = this.spring.getContext().getBean(MethodSecurityService.class);
+		String result = service.preAuthorizeDeniedMethodWithNoMaskAnnotation();
+		assertThat(result).isEqualTo("classmask");
+	}
+
+	@Test
+	@WithMockUser
+	void postAuthorizeWhenNullDeniedMetaAnnotationThanWorks() {
+		this.spring
+			.register(MethodSecurityServiceEnabledConfig.class, MetaAnnotationPlaceholderConfig.class,
+					MethodSecurityService.NullPostProcessor.class)
+			.autowire();
+		MethodSecurityService service = this.spring.getContext().getBean(MethodSecurityService.class);
+		String result = service.postAuthorizeDeniedWithNullDenied();
+		assertThat(result).isNull();
+	}
+
+	@Test
+	@WithMockUser
+	void postAuthorizeWhenDeniedAndHandlerWithCustomAnnotationThenHandlerCanUseMaskFromOtherAnnotation() {
+		this.spring
+			.register(MethodSecurityServiceEnabledConfig.class, MethodSecurityService.MaskAnnotationPostProcessor.class)
+			.autowire();
+		MethodSecurityService service = this.spring.getContext().getBean(MethodSecurityService.class);
+		String result = service.postAuthorizeDeniedMethodWithMaskAnnotation();
+		assertThat(result).isEqualTo("methodmask");
+	}
+
+	@Test
+	@WithMockUser
+	void postAuthorizeWhenDeniedAndHandlerWithCustomAnnotationInClassThenHandlerCanUseMaskFromOtherAnnotation() {
+		this.spring
+			.register(MethodSecurityServiceEnabledConfig.class, MethodSecurityService.MaskAnnotationPostProcessor.class)
+			.autowire();
+		MethodSecurityService service = this.spring.getContext().getBean(MethodSecurityService.class);
+		String result = service.postAuthorizeDeniedMethodWithNoMaskAnnotation();
+		assertThat(result).isEqualTo("classmask");
+	}
+
+	@Test
+	@WithMockUser
+	void postAuthorizeWhenDeniedAndHandlerWithCustomAnnotationUsingBeanThenHandlerCanUseMaskFromOtherAnnotation() {
+		this.spring
+			.register(MethodSecurityServiceEnabledConfig.class, MethodSecurityService.MaskAnnotationPostProcessor.class,
+					MyMasker.class)
+			.autowire();
+		MethodSecurityService service = this.spring.getContext().getBean(MethodSecurityService.class);
+		String result = service.postAuthorizeWithMaskAnnotationUsingBean();
+		assertThat(result).isEqualTo("ok-masked");
+	}
+
+	@Test
+	@WithMockUser(roles = "ADMIN")
+	void postAuthorizeWhenAllowedAndHandlerWithCustomAnnotationUsingBeanThenInvokeMethodNormally() {
+		this.spring
+			.register(MethodSecurityServiceEnabledConfig.class, MethodSecurityService.MaskAnnotationPostProcessor.class,
+					MyMasker.class)
+			.autowire();
+		MethodSecurityService service = this.spring.getContext().getBean(MethodSecurityService.class);
+		String result = service.postAuthorizeWithMaskAnnotationUsingBean();
+		assertThat(result).isEqualTo("ok");
+	}
+
+	@Test
+	@WithMockUser
+	void preAuthorizeWhenDeniedAndHandlerWithCustomAnnotationUsingBeanThenHandlerCanUseMaskFromOtherAnnotation() {
+		this.spring
+			.register(MethodSecurityServiceEnabledConfig.class, MethodSecurityService.MaskAnnotationHandler.class,
+					MyMasker.class)
+			.autowire();
+		MethodSecurityService service = this.spring.getContext().getBean(MethodSecurityService.class);
+		String result = service.preAuthorizeWithMaskAnnotationUsingBean();
+		assertThat(result).isEqualTo("mask");
+	}
+
+	@Test
+	@WithMockUser(roles = "ADMIN")
+	void preAuthorizeWhenAllowedAndHandlerWithCustomAnnotationUsingBeanThenInvokeMethodNormally() {
+		this.spring
+			.register(MethodSecurityServiceEnabledConfig.class, MethodSecurityService.MaskAnnotationHandler.class,
+					MyMasker.class)
+			.autowire();
+		MethodSecurityService service = this.spring.getContext().getBean(MethodSecurityService.class);
+		String result = service.preAuthorizeWithMaskAnnotationUsingBean();
+		assertThat(result).isEqualTo("ok");
+	}
+
+	@Test
+	@WithMockUser
+	void getUserWhenAuthorizedAndUserEmailIsProtectedAndNotAuthorizedThenReturnEmailMasked() {
+		this.spring
+			.register(MethodSecurityServiceEnabledConfig.class,
+					UserRecordWithEmailProtected.EmailMaskingPostProcessor.class)
+			.autowire();
+		MethodSecurityService service = this.spring.getContext().getBean(MethodSecurityService.class);
+		UserRecordWithEmailProtected user = service.getUserRecordWithEmailProtected();
+		assertThat(user.email()).isEqualTo("use******@example.com");
+		assertThat(user.name()).isEqualTo("username");
+	}
+
+	@Test
+	@WithMockUser
+	void getUserWhenNotAuthorizedAndHandlerFallbackValueThenReturnFallbackValue() {
+		this.spring
+			.register(MethodSecurityServiceEnabledConfig.class, MethodSecurityService.UserFallbackDeniedHandler.class)
+			.autowire();
+		MethodSecurityService service = this.spring.getContext().getBean(MethodSecurityService.class);
+		UserRecordWithEmailProtected user = service.getUserWithFallbackWhenUnauthorized();
+		assertThat(user.email()).isEqualTo("Protected");
+		assertThat(user.name()).isEqualTo("Protected");
+	}
+
+	@Test
+	@WithMockUser
+	void getUserWhenNotAuthorizedThenHandlerUsesCustomAuthorizationDecision() {
+		this.spring.register(MethodSecurityServiceConfig.class, CustomResultConfig.class).autowire();
+		MethodSecurityService service = this.spring.getContext().getBean(MethodSecurityService.class);
+		MethodAuthorizationDeniedHandler handler = this.spring.getContext()
+			.getBean(MethodAuthorizationDeniedHandler.class);
+		assertThat(service.checkCustomResult(false)).isNull();
+		verify(handler).handleDeniedInvocation(any(), any(Authz.AuthzResult.class));
+		verify(handler, never()).handleDeniedInvocationResult(any(), any(Authz.AuthzResult.class));
+		clearInvocations(handler);
+		assertThat(service.checkCustomResult(true)).isNull();
+		verify(handler).handleDeniedInvocationResult(any(), any(Authz.AuthzResult.class));
+		verify(handler, never()).handleDeniedInvocation(any(), any(Authz.AuthzResult.class));
+	}
+
 	private static Consumer<ConfigurableWebApplicationContext> disallowBeanOverriding() {
 		return (context) -> ((AnnotationConfigWebApplicationContext) context).setAllowBeanDefinitionOverriding(false);
 	}
 
+	private static Advisor returnAdvisor(int order) {
+		JdkRegexpMethodPointcut pointcut = new JdkRegexpMethodPointcut();
+		pointcut.setPattern(".*MethodSecurityServiceImpl.*");
+		MethodInterceptor interceptor = (mi) -> mi.getArguments()[0];
+		DefaultPointcutAdvisor advisor = new DefaultPointcutAdvisor(pointcut, interceptor);
+		advisor.setOrder(order);
+		return advisor;
+	}
+
+	@Configuration
+	static class AuthzConfig {
+
+		@Bean
+		Authz authz() {
+			return new Authz();
+		}
+
+	}
+
 	@Configuration
 	@EnableCustomMethodSecurity
 	static class CustomMethodSecurityServiceConfig {
@@ -627,4 +1143,341 @@ public class PrePostMethodSecurityConfigurationTests {
 
 	}
 
+	@Configuration
+	@EnableMethodSecurity(jsr250Enabled = true, securedEnabled = true)
+	static class RoleHierarchyConfig {
+
+		@Bean
+		static RoleHierarchy roleHierarchy() {
+			RoleHierarchyImpl roleHierarchyImpl = new RoleHierarchyImpl();
+			roleHierarchyImpl.setHierarchy("ROLE_ADMIN > ROLE_USER");
+			return roleHierarchyImpl;
+		}
+
+	}
+
+	@Import(OffsetConfig.class)
+	static class ReturnBeforeOffsetPreFilterConfig {
+
+		@Bean
+		@Role(BeanDefinition.ROLE_INFRASTRUCTURE)
+		Advisor returnBeforePreFilter() {
+			return returnAdvisor(AuthorizationInterceptorsOrder.PRE_FILTER.getOrder() + OffsetConfig.OFFSET - 1);
+		}
+
+	}
+
+	@Configuration
+	@Import(OffsetConfig.class)
+	static class ReturnBeforeOffsetPreAuthorizeConfig {
+
+		@Bean
+		@Role(BeanDefinition.ROLE_INFRASTRUCTURE)
+		Advisor returnBeforePreAuthorize() {
+			return returnAdvisor(AuthorizationInterceptorsOrder.PRE_AUTHORIZE.getOrder() + OffsetConfig.OFFSET - 1);
+		}
+
+	}
+
+	@Configuration
+	@Import(OffsetConfig.class)
+	static class ReturnBeforeOffsetSecuredConfig {
+
+		@Bean
+		@Role(BeanDefinition.ROLE_INFRASTRUCTURE)
+		Advisor returnBeforeSecured() {
+			return returnAdvisor(AuthorizationInterceptorsOrder.SECURED.getOrder() + OffsetConfig.OFFSET - 1);
+		}
+
+	}
+
+	@Configuration
+	@Import(OffsetConfig.class)
+	static class ReturnBeforeOffsetJsr250Config {
+
+		@Bean
+		@Role(BeanDefinition.ROLE_INFRASTRUCTURE)
+		Advisor returnBeforeJsr250() {
+			return returnAdvisor(AuthorizationInterceptorsOrder.JSR250.getOrder() + OffsetConfig.OFFSET - 1);
+		}
+
+	}
+
+	@Configuration
+	@Import(OffsetConfig.class)
+	static class ReturnBeforeOffsetPostAuthorizeConfig {
+
+		@Bean
+		@Role(BeanDefinition.ROLE_INFRASTRUCTURE)
+		Advisor returnBeforePreAuthorize() {
+			return returnAdvisor(AuthorizationInterceptorsOrder.POST_AUTHORIZE.getOrder() + OffsetConfig.OFFSET - 1);
+		}
+
+	}
+
+	@Configuration
+	@Import(OffsetConfig.class)
+	static class ReturnBeforeOffsetPostFilterConfig {
+
+		@Bean
+		@Role(BeanDefinition.ROLE_INFRASTRUCTURE)
+		Advisor returnBeforePostFilter() {
+			return returnAdvisor(AuthorizationInterceptorsOrder.POST_FILTER.getOrder() + OffsetConfig.OFFSET - 1);
+		}
+
+	}
+
+	@Configuration
+	@Import(OffsetConfig.class)
+	static class ReturnAfterAllOffsetConfig {
+
+		@Bean
+		@Role(BeanDefinition.ROLE_INFRASTRUCTURE)
+		Advisor returnAfterAll() {
+			return returnAdvisor(AuthorizationInterceptorsOrder.POST_FILTER.getOrder() + OffsetConfig.OFFSET + 1);
+		}
+
+	}
+
+	@Configuration
+	@EnableMethodSecurity(offset = OffsetConfig.OFFSET, jsr250Enabled = true, securedEnabled = true)
+	static class OffsetConfig {
+
+		static final int OFFSET = 2;
+
+		@Bean
+		MethodSecurityService methodSecurityService() {
+			return new MethodSecurityServiceImpl();
+		}
+
+		@Bean
+		Authz authz() {
+			return new Authz();
+		}
+
+	}
+
+	@Configuration
+	@EnableMethodSecurity
+	static class MetaAnnotationPlaceholderConfig {
+
+		@Bean
+		PrePostTemplateDefaults methodSecurityDefaults() {
+			return new PrePostTemplateDefaults();
+		}
+
+		@Bean
+		MetaAnnotationService metaAnnotationService() {
+			return new MetaAnnotationService();
+		}
+
+	}
+
+	static class MetaAnnotationService {
+
+		@RequireRole(role = "#role")
+		boolean hasRole(String role) {
+			return true;
+		}
+
+		@RequireRole(role = "'USER'")
+		boolean hasUserRole() {
+			return true;
+		}
+
+		@PreAuthorize("hasRole({role})")
+		void placeholdersOnlyResolvedByMetaAnnotations() {
+		}
+
+		@HasClaim(claim = "message:read", roles = { "'ADMIN'" })
+		String readMessage() {
+			return "message";
+		}
+
+		@ResultStartsWith("dave")
+		String startsWithDave(String value) {
+			return value;
+		}
+
+		@ParameterContains("dave")
+		List<String> parametersContainDave(List<String> list) {
+			return list;
+		}
+
+		@ResultContains("dave")
+		List<String> resultsContainDave(List<String> list) {
+			return list;
+		}
+
+	}
+
+	@Retention(RetentionPolicy.RUNTIME)
+	@PreAuthorize("hasRole({role})")
+	@interface RequireRole {
+
+		String role();
+
+	}
+
+	@Retention(RetentionPolicy.RUNTIME)
+	@PreAuthorize("hasAuthority('SCOPE_{claim}') || hasAnyRole({roles})")
+	@interface HasClaim {
+
+		String claim();
+
+		String[] roles() default {};
+
+	}
+
+	@Retention(RetentionPolicy.RUNTIME)
+	@PostAuthorize("returnObject.startsWith('{value}')")
+	@interface ResultStartsWith {
+
+		String value();
+
+	}
+
+	@Retention(RetentionPolicy.RUNTIME)
+	@PreFilter("filterObject.contains('{value}')")
+	@interface ParameterContains {
+
+		String value();
+
+	}
+
+	@Retention(RetentionPolicy.RUNTIME)
+	@PostFilter("filterObject.contains('{value}')")
+	@interface ResultContains {
+
+		String value();
+
+	}
+
+	@EnableMethodSecurity
+	@Configuration
+	static class AuthorizeResultConfig {
+
+		@Bean
+		@Role(BeanDefinition.ROLE_INFRASTRUCTURE)
+		static Customizer<AuthorizationAdvisorProxyFactory> skipValueTypes() {
+			return (f) -> f.setTargetVisitor(TargetVisitor.defaultsSkipValueTypes());
+		}
+
+		@Bean
+		FlightRepository flights() {
+			FlightRepository flights = new FlightRepository();
+			Flight one = new Flight("1", 35000d, 35);
+			one.board(new ArrayList<>(List.of("Marie Curie", "Kevin Mitnick", "Ada Lovelace")));
+			flights.save(one);
+			Flight two = new Flight("2", 32000d, 72);
+			two.board(new ArrayList<>(List.of("Albert Einstein")));
+			flights.save(two);
+			return flights;
+		}
+
+		@Bean
+		RoleHierarchy roleHierarchy() {
+			return RoleHierarchyImpl.withRolePrefix("").role("airplane:read").implies("seating:read").build();
+		}
+
+	}
+
+	@AuthorizeReturnObject
+	static class FlightRepository {
+
+		private final Map<String, Flight> flights = new ConcurrentHashMap<>();
+
+		Iterator<Flight> findAll() {
+			return this.flights.values().iterator();
+		}
+
+		Flight findById(String id) {
+			return this.flights.get(id);
+		}
+
+		Flight save(Flight flight) {
+			this.flights.put(flight.getId(), flight);
+			return flight;
+		}
+
+		void remove(String id) {
+			this.flights.remove(id);
+		}
+
+	}
+
+	@AuthorizeReturnObject
+	static class Flight {
+
+		private final String id;
+
+		private final Double altitude;
+
+		private final Integer seats;
+
+		private final List<Passenger> passengers = new ArrayList<>();
+
+		Flight(String id, Double altitude, Integer seats) {
+			this.id = id;
+			this.altitude = altitude;
+			this.seats = seats;
+		}
+
+		String getId() {
+			return this.id;
+		}
+
+		@PreAuthorize("hasAuthority('airplane:read')")
+		Double getAltitude() {
+			return this.altitude;
+		}
+
+		@PreAuthorize("hasAuthority('seating:read')")
+		Integer getSeats() {
+			return this.seats;
+		}
+
+		@PostAuthorize("hasAuthority('seating:read')")
+		@PostFilter("filterObject.name != 'Kevin Mitnick'")
+		List<Passenger> getPassengers() {
+			return this.passengers;
+		}
+
+		@PreAuthorize("hasAuthority('seating:read')")
+		@PreFilter("filterObject.contains(' ')")
+		void board(List<String> passengers) {
+			for (String passenger : passengers) {
+				this.passengers.add(new Passenger(passenger));
+			}
+		}
+
+	}
+
+	public static class Passenger {
+
+		String name;
+
+		public Passenger(String name) {
+			this.name = name;
+		}
+
+		@PreAuthorize("hasAuthority('airplane:read')")
+		public String getName() {
+			return this.name;
+		}
+
+	}
+
+	@EnableMethodSecurity
+	static class CustomResultConfig {
+
+		MethodAuthorizationDeniedHandler handler = mock(MethodAuthorizationDeniedHandler.class);
+
+		@Bean
+		MethodAuthorizationDeniedHandler methodAuthorizationDeniedHandler() {
+			return this.handler;
+		}
+
+	}
+
 }

config/src/test/java/org/springframework/security/config/annotation/method/configuration/PrePostReactiveMethodSecurityConfigurationTests.java

@@ -0,0 +1,215 @@
+/*
+ * Copyright 2002-2024 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.config.annotation.method.configuration;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import reactor.test.StepVerifier;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.config.test.SpringTestContext;
+import org.springframework.security.config.test.SpringTestContextExtension;
+import org.springframework.security.test.context.annotation.SecurityTestExecutionListeners;
+import org.springframework.security.test.context.support.WithMockUser;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+
+@ExtendWith({ SpringExtension.class, SpringTestContextExtension.class })
+@SecurityTestExecutionListeners
+public class PrePostReactiveMethodSecurityConfigurationTests {
+
+	public final SpringTestContext spring = new SpringTestContext(this);
+
+	@Test
+	@WithMockUser
+	void getCardNumberWhenPostAuthorizeAndNotAdminThenReturnMasked() {
+		this.spring
+			.register(MethodSecurityServiceEnabledConfig.class,
+					ReactiveMethodSecurityService.CardNumberMaskingPostProcessor.class)
+			.autowire();
+		ReactiveMethodSecurityService service = this.spring.getContext().getBean(ReactiveMethodSecurityService.class);
+		StepVerifier.create(service.postAuthorizeGetCardNumberIfAdmin("4444-3333-2222-1111"))
+			.expectNext("****-****-****-1111")
+			.verifyComplete();
+	}
+
+	@Test
+	@WithMockUser
+	void getCardNumberWhenPreAuthorizeAndNotAdminThenReturnMasked() {
+		this.spring
+			.register(MethodSecurityServiceEnabledConfig.class, ReactiveMethodSecurityService.StarMaskingHandler.class)
+			.autowire();
+		ReactiveMethodSecurityService service = this.spring.getContext().getBean(ReactiveMethodSecurityService.class);
+		StepVerifier.create(service.preAuthorizeGetCardNumberIfAdmin("4444-3333-2222-1111"))
+			.expectNext("***")
+			.verifyComplete();
+	}
+
+	@Test
+	@WithMockUser
+	void getCardNumberWhenPreAuthorizeAndNotAdminAndChildHandlerThenResolveCorrectHandlerAndReturnMasked() {
+		this.spring
+			.register(MethodSecurityServiceEnabledConfig.class, ReactiveMethodSecurityService.StarMaskingHandler.class,
+					ReactiveMethodSecurityService.StartMaskingHandlerChild.class)
+			.autowire();
+		ReactiveMethodSecurityService service = this.spring.getContext().getBean(ReactiveMethodSecurityService.class);
+		StepVerifier.create(service.preAuthorizeWithHandlerChildGetCardNumberIfAdmin("4444-3333-2222-1111"))
+			.expectNext("***-child")
+			.verifyComplete();
+	}
+
+	@Test
+	@WithMockUser
+	void preAuthorizeWhenDeniedAndHandlerWithCustomAnnotationThenHandlerCanUseMaskFromOtherAnnotation() {
+		this.spring
+			.register(MethodSecurityServiceEnabledConfig.class,
+					ReactiveMethodSecurityService.MaskAnnotationHandler.class)
+			.autowire();
+		ReactiveMethodSecurityService service = this.spring.getContext().getBean(ReactiveMethodSecurityService.class);
+		StepVerifier.create(service.preAuthorizeDeniedMethodWithMaskAnnotation())
+			.expectNext("methodmask")
+			.verifyComplete();
+	}
+
+	@Test
+	@WithMockUser
+	void preAuthorizeWhenDeniedAndHandlerWithCustomAnnotationInClassThenHandlerCanUseMaskFromOtherAnnotation() {
+		this.spring
+			.register(MethodSecurityServiceEnabledConfig.class,
+					ReactiveMethodSecurityService.MaskAnnotationHandler.class)
+			.autowire();
+		ReactiveMethodSecurityService service = this.spring.getContext().getBean(ReactiveMethodSecurityService.class);
+		StepVerifier.create(service.preAuthorizeDeniedMethodWithNoMaskAnnotation())
+			.expectNext("classmask")
+			.verifyComplete();
+	}
+
+	@Test
+	@WithMockUser(roles = "ADMIN")
+	void postAuthorizeWhenHandlerAndAccessDeniedNotThrownFromPostAuthorizeThenNotHandled() {
+		this.spring
+			.register(MethodSecurityServiceEnabledConfig.class,
+					ReactiveMethodSecurityService.PostMaskingPostProcessor.class)
+			.autowire();
+		ReactiveMethodSecurityService service = this.spring.getContext().getBean(ReactiveMethodSecurityService.class);
+		StepVerifier.create(service.postAuthorizeThrowAccessDeniedManually()).expectNext("***").verifyComplete();
+	}
+
+	@Test
+	@WithMockUser(roles = "ADMIN")
+	void preAuthorizeWhenHandlerAndAccessDeniedNotThrownFromPreAuthorizeThenHandled() {
+		this.spring
+			.register(MethodSecurityServiceEnabledConfig.class, ReactiveMethodSecurityService.StarMaskingHandler.class)
+			.autowire();
+		ReactiveMethodSecurityService service = this.spring.getContext().getBean(ReactiveMethodSecurityService.class);
+		StepVerifier.create(service.preAuthorizeThrowAccessDeniedManually()).expectNext("***").verifyComplete();
+	}
+
+	@Test
+	@WithMockUser
+	void postAuthorizeWhenNullDeniedMetaAnnotationThanWorks() {
+		this.spring
+			.register(MethodSecurityServiceEnabledConfig.class, ReactiveMethodSecurityService.NullPostProcessor.class)
+			.autowire();
+		ReactiveMethodSecurityService service = this.spring.getContext().getBean(ReactiveMethodSecurityService.class);
+		StepVerifier.create(service.postAuthorizeDeniedWithNullDenied()).verifyComplete();
+	}
+
+	@Test
+	@WithMockUser
+	void postAuthorizeWhenDeniedAndHandlerWithCustomAnnotationThenHandlerCanUseMaskFromOtherAnnotation() {
+		this.spring
+			.register(MethodSecurityServiceEnabledConfig.class,
+					ReactiveMethodSecurityService.MaskAnnotationPostProcessor.class)
+			.autowire();
+		ReactiveMethodSecurityService service = this.spring.getContext().getBean(ReactiveMethodSecurityService.class);
+		StepVerifier.create(service.postAuthorizeDeniedMethodWithMaskAnnotation())
+			.expectNext("methodmask")
+			.verifyComplete();
+	}
+
+	@Test
+	@WithMockUser
+	void postAuthorizeWhenDeniedAndHandlerWithCustomAnnotationInClassThenHandlerCanUseMaskFromOtherAnnotation() {
+		this.spring
+			.register(MethodSecurityServiceEnabledConfig.class,
+					ReactiveMethodSecurityService.MaskAnnotationPostProcessor.class)
+			.autowire();
+		ReactiveMethodSecurityService service = this.spring.getContext().getBean(ReactiveMethodSecurityService.class);
+		StepVerifier.create(service.postAuthorizeDeniedMethodWithNoMaskAnnotation())
+			.expectNext("classmask")
+			.verifyComplete();
+	}
+
+	@Test
+	@WithMockUser
+	void postAuthorizeWhenDeniedAndHandlerWithCustomAnnotationUsingBeanThenHandlerCanUseMaskFromOtherAnnotation() {
+		this.spring
+			.register(MethodSecurityServiceEnabledConfig.class,
+					ReactiveMethodSecurityService.MaskAnnotationPostProcessor.class, MyMasker.class)
+			.autowire();
+		ReactiveMethodSecurityService service = this.spring.getContext().getBean(ReactiveMethodSecurityService.class);
+		StepVerifier.create(service.postAuthorizeWithMaskAnnotationUsingBean())
+			.expectNext("ok-masked")
+			.verifyComplete();
+	}
+
+	@Test
+	@WithMockUser(roles = "ADMIN")
+	void postAuthorizeWhenAllowedAndHandlerWithCustomAnnotationUsingBeanThenInvokeMethodNormally() {
+		this.spring
+			.register(MethodSecurityServiceEnabledConfig.class,
+					ReactiveMethodSecurityService.MaskAnnotationPostProcessor.class, MyMasker.class)
+			.autowire();
+		ReactiveMethodSecurityService service = this.spring.getContext().getBean(ReactiveMethodSecurityService.class);
+		StepVerifier.create(service.postAuthorizeWithMaskAnnotationUsingBean()).expectNext("ok").verifyComplete();
+	}
+
+	@Test
+	@WithMockUser
+	void preAuthorizeWhenDeniedAndHandlerWithCustomAnnotationUsingBeanThenHandlerCanUseMaskFromOtherAnnotation() {
+		this.spring
+			.register(MethodSecurityServiceEnabledConfig.class,
+					ReactiveMethodSecurityService.MaskAnnotationHandler.class, MyMasker.class)
+			.autowire();
+		ReactiveMethodSecurityService service = this.spring.getContext().getBean(ReactiveMethodSecurityService.class);
+		StepVerifier.create(service.preAuthorizeWithMaskAnnotationUsingBean()).expectNext("mask").verifyComplete();
+	}
+
+	@Test
+	@WithMockUser(roles = "ADMIN")
+	void preAuthorizeWhenAllowedAndHandlerWithCustomAnnotationUsingBeanThenInvokeMethodNormally() {
+		this.spring
+			.register(MethodSecurityServiceEnabledConfig.class,
+					ReactiveMethodSecurityService.MaskAnnotationHandler.class, MyMasker.class)
+			.autowire();
+		ReactiveMethodSecurityService service = this.spring.getContext().getBean(ReactiveMethodSecurityService.class);
+		StepVerifier.create(service.preAuthorizeWithMaskAnnotationUsingBean()).expectNext("ok").verifyComplete();
+	}
+
+	@Configuration
+	@EnableReactiveMethodSecurity
+	static class MethodSecurityServiceEnabledConfig {
+
+		@Bean
+		ReactiveMethodSecurityService methodSecurityService() {
+			return new ReactiveMethodSecurityServiceImpl();
+		}
+
+	}
+
+}

config/src/test/java/org/springframework/security/config/annotation/method/configuration/ReactiveMethodSecurityConfigurationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2019 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,22 +16,53 @@
 
 package org.springframework.security.config.annotation.method.configuration;
 
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.function.Consumer;
+import java.util.function.Function;
+
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
+import reactor.core.publisher.Flux;
+import reactor.core.publisher.Mono;
+import reactor.test.StepVerifier;
 
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.config.BeanDefinition;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Role;
 import org.springframework.expression.EvaluationContext;
+import org.springframework.security.access.AccessDeniedException;
 import org.springframework.security.access.expression.SecurityExpressionRoot;
 import org.springframework.security.access.expression.method.DefaultMethodSecurityExpressionHandler;
 import org.springframework.security.access.intercept.method.MockMethodInvocation;
-import org.springframework.security.authentication.TestingAuthenticationToken;
+import org.springframework.security.access.prepost.PostAuthorize;
+import org.springframework.security.access.prepost.PostFilter;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.security.access.prepost.PreFilter;
+import org.springframework.security.authentication.TestAuthentication;
+import org.springframework.security.authorization.method.AuthorizationAdvisorProxyFactory;
+import org.springframework.security.authorization.method.AuthorizationAdvisorProxyFactory.TargetVisitor;
+import org.springframework.security.authorization.method.AuthorizeReturnObject;
+import org.springframework.security.authorization.method.MethodAuthorizationDeniedHandler;
+import org.springframework.security.config.Customizer;
 import org.springframework.security.config.core.GrantedAuthorityDefaults;
 import org.springframework.security.config.test.SpringTestContext;
 import org.springframework.security.config.test.SpringTestContextExtension;
+import org.springframework.security.core.Authentication;
+import org.springframework.security.core.context.ReactiveSecurityContextHolder;
+import org.springframework.security.core.userdetails.User;
+import org.springframework.security.test.context.support.WithMockUser;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.clearInvocations;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
 
 /**
  * @author Tadaya Tsuyukubo
@@ -41,14 +72,13 @@ public class ReactiveMethodSecurityConfigurationTests {
 
 	public final SpringTestContext spring = new SpringTestContext(this);
 
-	@Autowired
+	@Autowired(required = false)
 	DefaultMethodSecurityExpressionHandler methodSecurityExpressionHandler;
 
 	@Test
 	public void rolePrefixWithGrantedAuthorityDefaults() throws NoSuchMethodException {
 		this.spring.register(WithRolePrefixConfiguration.class).autowire();
-		TestingAuthenticationToken authentication = new TestingAuthenticationToken("principal", "credential",
-				"CUSTOM_ABC");
+		Authentication authentication = TestAuthentication.authenticatedUser(authorities("CUSTOM_ABC"));
 		MockMethodInvocation methodInvocation = new MockMethodInvocation(new Foo(), Foo.class, "bar", String.class);
 		EvaluationContext context = this.methodSecurityExpressionHandler.createEvaluationContext(authentication,
 				methodInvocation);
@@ -62,8 +92,7 @@ public class ReactiveMethodSecurityConfigurationTests {
 	@Test
 	public void rolePrefixWithDefaultConfig() throws NoSuchMethodException {
 		this.spring.register(ReactiveMethodSecurityConfiguration.class).autowire();
-		TestingAuthenticationToken authentication = new TestingAuthenticationToken("principal", "credential",
-				"ROLE_ABC");
+		Authentication authentication = TestAuthentication.authenticatedUser(authorities("ROLE_ABC"));
 		MockMethodInvocation methodInvocation = new MockMethodInvocation(new Foo(), Foo.class, "bar", String.class);
 		EvaluationContext context = this.methodSecurityExpressionHandler.createEvaluationContext(authentication,
 				methodInvocation);
@@ -75,8 +104,7 @@ public class ReactiveMethodSecurityConfigurationTests {
 	@Test
 	public void rolePrefixWithGrantedAuthorityDefaultsAndSubclassWithProxyingEnabled() throws NoSuchMethodException {
 		this.spring.register(SubclassConfig.class).autowire();
-		TestingAuthenticationToken authentication = new TestingAuthenticationToken("principal", "credential",
-				"ROLE_ABC");
+		Authentication authentication = TestAuthentication.authenticatedUser(authorities("ROLE_ABC"));
 		MockMethodInvocation methodInvocation = new MockMethodInvocation(new Foo(), Foo.class, "bar", String.class);
 		EvaluationContext context = this.methodSecurityExpressionHandler.createEvaluationContext(authentication,
 				methodInvocation);
@@ -85,6 +113,132 @@ public class ReactiveMethodSecurityConfigurationTests {
 		assertThat(root.hasRole("ABC")).isTrue();
 	}
 
+	@Test
+	public void findByIdWhenAuthorizedResultThenAuthorizes() {
+		this.spring.register(AuthorizeResultConfig.class).autowire();
+		FlightRepository flights = this.spring.getContext().getBean(FlightRepository.class);
+		Authentication pilot = TestAuthentication.authenticatedUser(authorities("airplane:read"));
+		StepVerifier
+			.create(flights.findById("1")
+				.flatMap(Flight::getAltitude)
+				.contextWrite(ReactiveSecurityContextHolder.withAuthentication(pilot)))
+			.expectNextCount(1)
+			.verifyComplete();
+		StepVerifier
+			.create(flights.findById("1")
+				.flatMap(Flight::getSeats)
+				.contextWrite(ReactiveSecurityContextHolder.withAuthentication(pilot)))
+			.expectNextCount(1)
+			.verifyComplete();
+	}
+
+	@Test
+	public void findByIdWhenUnauthorizedResultThenDenies() {
+		this.spring.register(AuthorizeResultConfig.class).autowire();
+		FlightRepository flights = this.spring.getContext().getBean(FlightRepository.class);
+		Authentication pilot = TestAuthentication.authenticatedUser(authorities("seating:read"));
+		StepVerifier
+			.create(flights.findById("1")
+				.flatMap(Flight::getSeats)
+				.contextWrite(ReactiveSecurityContextHolder.withAuthentication(pilot)))
+			.expectNextCount(1)
+			.verifyComplete();
+		StepVerifier
+			.create(flights.findById("1")
+				.flatMap(Flight::getAltitude)
+				.contextWrite(ReactiveSecurityContextHolder.withAuthentication(pilot)))
+			.verifyError(AccessDeniedException.class);
+	}
+
+	@Test
+	public void findAllWhenUnauthorizedResultThenDenies() {
+		this.spring.register(AuthorizeResultConfig.class).autowire();
+		FlightRepository flights = this.spring.getContext().getBean(FlightRepository.class);
+		Authentication pilot = TestAuthentication.authenticatedUser(authorities("seating:read"));
+		StepVerifier
+			.create(flights.findAll()
+				.flatMap(Flight::getSeats)
+				.contextWrite(ReactiveSecurityContextHolder.withAuthentication(pilot)))
+			.expectNextCount(2)
+			.verifyComplete();
+		StepVerifier
+			.create(flights.findAll()
+				.flatMap(Flight::getAltitude)
+				.contextWrite(ReactiveSecurityContextHolder.withAuthentication(pilot)))
+			.verifyError(AccessDeniedException.class);
+	}
+
+	@Test
+	public void removeWhenAuthorizedResultThenRemoves() {
+		this.spring.register(AuthorizeResultConfig.class).autowire();
+		FlightRepository flights = this.spring.getContext().getBean(FlightRepository.class);
+		Authentication pilot = TestAuthentication.authenticatedUser(authorities("seating:read"));
+		StepVerifier.create(flights.remove("1").contextWrite(ReactiveSecurityContextHolder.withAuthentication(pilot)))
+			.verifyComplete();
+	}
+
+	@Test
+	public void findAllWhenPostFilterThenFilters() {
+		this.spring.register(AuthorizeResultConfig.class).autowire();
+		FlightRepository flights = this.spring.getContext().getBean(FlightRepository.class);
+		Authentication pilot = TestAuthentication.authenticatedUser(authorities("airplane:read"));
+		StepVerifier
+			.create(flights.findAll()
+				.flatMap(Flight::getPassengers)
+				.flatMap(Passenger::getName)
+				.contextWrite(ReactiveSecurityContextHolder.withAuthentication(pilot)))
+			.expectNext("Marie Curie", "Ada Lovelace", "Albert Einstein")
+			.verifyComplete();
+	}
+
+	@Test
+	public void findAllWhenPreFilterThenFilters() {
+		this.spring.register(AuthorizeResultConfig.class).autowire();
+		FlightRepository flights = this.spring.getContext().getBean(FlightRepository.class);
+		Authentication pilot = TestAuthentication.authenticatedUser(authorities("airplane:read"));
+		StepVerifier
+			.create(flights.findAll()
+				.flatMap((flight) -> flight.board(Flux.just("John Doe", "John")).then(Mono.just(flight)))
+				.flatMap(Flight::getPassengers)
+				.flatMap(Passenger::getName)
+				.contextWrite(ReactiveSecurityContextHolder.withAuthentication(pilot)))
+			.expectNext("Marie Curie", "Ada Lovelace", "John Doe", "Albert Einstein", "John Doe")
+			.verifyComplete();
+	}
+
+	@Test
+	public void findAllWhenNestedPreAuthorizeThenAuthorizes() {
+		this.spring.register(AuthorizeResultConfig.class).autowire();
+		FlightRepository flights = this.spring.getContext().getBean(FlightRepository.class);
+		Authentication pilot = TestAuthentication.authenticatedUser(authorities("seating:read"));
+		StepVerifier
+			.create(flights.findAll()
+				.flatMap(Flight::getPassengers)
+				.flatMap(Passenger::getName)
+				.contextWrite(ReactiveSecurityContextHolder.withAuthentication(pilot)))
+			.verifyError(AccessDeniedException.class);
+	}
+
+	@Test
+	@WithMockUser
+	void getUserWhenNotAuthorizedThenHandlerUsesCustomAuthorizationDecision() {
+		this.spring.register(MethodSecurityServiceConfig.class, CustomResultConfig.class).autowire();
+		ReactiveMethodSecurityService service = this.spring.getContext().getBean(ReactiveMethodSecurityService.class);
+		MethodAuthorizationDeniedHandler handler = this.spring.getContext()
+			.getBean(MethodAuthorizationDeniedHandler.class);
+		assertThat(service.checkCustomResult(false).block()).isNull();
+		verify(handler).handleDeniedInvocation(any(), any(Authz.AuthzResult.class));
+		verify(handler, never()).handleDeniedInvocationResult(any(), any(Authz.AuthzResult.class));
+		clearInvocations(handler);
+		assertThat(service.checkCustomResult(true).block()).isNull();
+		verify(handler).handleDeniedInvocationResult(any(), any(Authz.AuthzResult.class));
+		verify(handler, never()).handleDeniedInvocation(any(), any(Authz.AuthzResult.class));
+	}
+
+	private static Consumer<User.UserBuilder> authorities(String... authorities) {
+		return (builder) -> builder.authorities(authorities);
+	}
+
 	@Configuration
 	@EnableReactiveMethodSecurity // this imports ReactiveMethodSecurityConfiguration
 	static class WithRolePrefixConfiguration {
@@ -108,4 +262,130 @@ public class ReactiveMethodSecurityConfigurationTests {
 
 	}
 
+	@EnableReactiveMethodSecurity
+	@Configuration
+	static class AuthorizeResultConfig {
+
+		@Bean
+		@Role(BeanDefinition.ROLE_INFRASTRUCTURE)
+		static Customizer<AuthorizationAdvisorProxyFactory> skipValueTypes() {
+			return (factory) -> factory.setTargetVisitor(TargetVisitor.defaultsSkipValueTypes());
+		}
+
+		@Bean
+		FlightRepository flights() {
+			FlightRepository flights = new FlightRepository();
+			Flight one = new Flight("1", 35000d, 35);
+			one.board(Flux.just("Marie Curie", "Kevin Mitnick", "Ada Lovelace")).block();
+			flights.save(one).block();
+			Flight two = new Flight("2", 32000d, 72);
+			two.board(Flux.just("Albert Einstein")).block();
+			flights.save(two).block();
+			return flights;
+		}
+
+		@Bean
+		Function<Passenger, Mono<Boolean>> isNotKevin() {
+			return (passenger) -> passenger.getName().map((name) -> !name.equals("Kevin Mitnick"));
+		}
+
+	}
+
+	@AuthorizeReturnObject
+	static class FlightRepository {
+
+		private final Map<String, Flight> flights = new ConcurrentHashMap<>();
+
+		Flux<Flight> findAll() {
+			return Flux.fromIterable(this.flights.values());
+		}
+
+		Mono<Flight> findById(String id) {
+			return Mono.just(this.flights.get(id));
+		}
+
+		Mono<Flight> save(Flight flight) {
+			this.flights.put(flight.getId(), flight);
+			return Mono.just(flight);
+		}
+
+		Mono<Void> remove(String id) {
+			this.flights.remove(id);
+			return Mono.empty();
+		}
+
+	}
+
+	@AuthorizeReturnObject
+	static class Flight {
+
+		private final String id;
+
+		private final Double altitude;
+
+		private final Integer seats;
+
+		private final List<Passenger> passengers = new ArrayList<>();
+
+		Flight(String id, Double altitude, Integer seats) {
+			this.id = id;
+			this.altitude = altitude;
+			this.seats = seats;
+		}
+
+		String getId() {
+			return this.id;
+		}
+
+		@PreAuthorize("hasAuthority('airplane:read')")
+		Mono<Double> getAltitude() {
+			return Mono.just(this.altitude);
+		}
+
+		@PreAuthorize("hasAnyAuthority('seating:read', 'airplane:read')")
+		Mono<Integer> getSeats() {
+			return Mono.just(this.seats);
+		}
+
+		@PostAuthorize("hasAnyAuthority('seating:read', 'airplane:read')")
+		@PostFilter("@isNotKevin.apply(filterObject)")
+		Flux<Passenger> getPassengers() {
+			return Flux.fromIterable(this.passengers);
+		}
+
+		@PreAuthorize("hasAnyAuthority('seating:read', 'airplane:read')")
+		@PreFilter("filterObject.contains(' ')")
+		Mono<Void> board(Flux<String> passengers) {
+			return passengers.doOnNext((passenger) -> this.passengers.add(new Passenger(passenger))).then();
+		}
+
+	}
+
+	public static class Passenger {
+
+		String name;
+
+		public Passenger(String name) {
+			this.name = name;
+		}
+
+		@PreAuthorize("hasAuthority('airplane:read')")
+		public Mono<String> getName() {
+			return Mono.just(this.name);
+		}
+
+	}
+
+	@EnableReactiveMethodSecurity
+	static class CustomResultConfig {
+
+		MethodAuthorizationDeniedHandler handler = mock(MethodAuthorizationDeniedHandler.class);
+
+		@Bean
+		MethodAuthorizationDeniedHandler methodAuthorizationDeniedHandler() {
+			return this.handler;
+		}
+
+	}
+
 }

config/src/test/java/org/springframework/security/config/annotation/method/configuration/ReactiveMethodSecurityService.java

@@ -0,0 +1,255 @@
+/*
+ * Copyright 2002-2024 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.config.annotation.method.configuration;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Inherited;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+import org.aopalliance.intercept.MethodInvocation;
+import reactor.core.publisher.Mono;
+
+import org.springframework.context.ApplicationContext;
+import org.springframework.core.annotation.AnnotationUtils;
+import org.springframework.expression.EvaluationContext;
+import org.springframework.expression.Expression;
+import org.springframework.security.access.expression.method.DefaultMethodSecurityExpressionHandler;
+import org.springframework.security.access.prepost.PostAuthorize;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.security.authorization.AuthorizationResult;
+import org.springframework.security.authorization.method.HandleAuthorizationDenied;
+import org.springframework.security.authorization.method.MethodAuthorizationDeniedHandler;
+import org.springframework.security.authorization.method.MethodInvocationResult;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.springframework.util.StringUtils;
+
+/**
+ * @author Rob Winch
+ */
+@ReactiveMethodSecurityService.Mask("classmask")
+public interface ReactiveMethodSecurityService {
+
+	@PreAuthorize("hasRole('ADMIN')")
+	@HandleAuthorizationDenied(handlerClass = StarMaskingHandler.class)
+	Mono<String> preAuthorizeGetCardNumberIfAdmin(String cardNumber);
+
+	@PreAuthorize("hasRole('ADMIN')")
+	@HandleAuthorizationDenied(handlerClass = StartMaskingHandlerChild.class)
+	Mono<String> preAuthorizeWithHandlerChildGetCardNumberIfAdmin(String cardNumber);
+
+	@PreAuthorize("hasRole('ADMIN')")
+	@HandleAuthorizationDenied(handlerClass = StarMaskingHandler.class)
+	Mono<String> preAuthorizeThrowAccessDeniedManually();
+
+	@PostAuthorize("hasRole('ADMIN')")
+	@HandleAuthorizationDenied(handlerClass = CardNumberMaskingPostProcessor.class)
+	Mono<String> postAuthorizeGetCardNumberIfAdmin(String cardNumber);
+
+	@PostAuthorize("hasRole('ADMIN')")
+	@HandleAuthorizationDenied(handlerClass = PostMaskingPostProcessor.class)
+	Mono<String> postAuthorizeThrowAccessDeniedManually();
+
+	@PreAuthorize("denyAll()")
+	@Mask("methodmask")
+	@HandleAuthorizationDenied(handlerClass = MaskAnnotationHandler.class)
+	Mono<String> preAuthorizeDeniedMethodWithMaskAnnotation();
+
+	@PreAuthorize("denyAll()")
+	@HandleAuthorizationDenied(handlerClass = MaskAnnotationHandler.class)
+	Mono<String> preAuthorizeDeniedMethodWithNoMaskAnnotation();
+
+	@NullDenied(role = "ADMIN")
+	Mono<String> postAuthorizeDeniedWithNullDenied();
+
+	@PostAuthorize("denyAll()")
+	@Mask("methodmask")
+	@HandleAuthorizationDenied(handlerClass = MaskAnnotationPostProcessor.class)
+	Mono<String> postAuthorizeDeniedMethodWithMaskAnnotation();
+
+	@PostAuthorize("denyAll()")
+	@HandleAuthorizationDenied(handlerClass = MaskAnnotationPostProcessor.class)
+	Mono<String> postAuthorizeDeniedMethodWithNoMaskAnnotation();
+
+	@PreAuthorize("hasRole('ADMIN')")
+	@Mask(expression = "@myMasker.getMask()")
+	@HandleAuthorizationDenied(handlerClass = MaskAnnotationHandler.class)
+	Mono<String> preAuthorizeWithMaskAnnotationUsingBean();
+
+	@PostAuthorize("hasRole('ADMIN')")
+	@Mask(expression = "@myMasker.getMask(returnObject)")
+	@HandleAuthorizationDenied(handlerClass = MaskAnnotationPostProcessor.class)
+	Mono<String> postAuthorizeWithMaskAnnotationUsingBean();
+
+	@PreAuthorize("@authz.checkReactiveResult(#result)")
+	@PostAuthorize("@authz.checkReactiveResult(!#result)")
+	@HandleAuthorizationDenied(handlerClass = MethodAuthorizationDeniedHandler.class)
+	Mono<String> checkCustomResult(boolean result);
+
+	class StarMaskingHandler implements MethodAuthorizationDeniedHandler {
+
+		@Override
+		public Object handleDeniedInvocation(MethodInvocation methodInvocation, AuthorizationResult result) {
+			return "***";
+		}
+
+	}
+
+	class StartMaskingHandlerChild extends StarMaskingHandler {
+
+		@Override
+		public Object handleDeniedInvocation(MethodInvocation methodInvocation, AuthorizationResult result) {
+			return super.handleDeniedInvocation(methodInvocation, result) + "-child";
+		}
+
+	}
+
+	class MaskAnnotationHandler implements MethodAuthorizationDeniedHandler {
+
+		MaskValueResolver maskValueResolver;
+
+		MaskAnnotationHandler(ApplicationContext context) {
+			this.maskValueResolver = new MaskValueResolver(context);
+		}
+
+		@Override
+		public Object handleDeniedInvocation(MethodInvocation methodInvocation, AuthorizationResult result) {
+			Mask mask = AnnotationUtils.getAnnotation(methodInvocation.getMethod(), Mask.class);
+			if (mask == null) {
+				mask = AnnotationUtils.getAnnotation(methodInvocation.getMethod().getDeclaringClass(), Mask.class);
+			}
+			return this.maskValueResolver.resolveValue(mask, methodInvocation, null);
+		}
+
+	}
+
+	class MaskAnnotationPostProcessor implements MethodAuthorizationDeniedHandler {
+
+		MaskValueResolver maskValueResolver;
+
+		MaskAnnotationPostProcessor(ApplicationContext context) {
+			this.maskValueResolver = new MaskValueResolver(context);
+		}
+
+		@Override
+		public Object handleDeniedInvocation(MethodInvocation mi, AuthorizationResult authorizationResult) {
+			Mask mask = AnnotationUtils.getAnnotation(mi.getMethod(), Mask.class);
+			if (mask == null) {
+				mask = AnnotationUtils.getAnnotation(mi.getMethod().getDeclaringClass(), Mask.class);
+			}
+			return this.maskValueResolver.resolveValue(mask, mi, null);
+		}
+
+		@Override
+		public Object handleDeniedInvocationResult(MethodInvocationResult methodInvocationResult,
+				AuthorizationResult authorizationResult) {
+			MethodInvocation mi = methodInvocationResult.getMethodInvocation();
+			Mask mask = AnnotationUtils.getAnnotation(mi.getMethod(), Mask.class);
+			if (mask == null) {
+				mask = AnnotationUtils.getAnnotation(mi.getMethod().getDeclaringClass(), Mask.class);
+			}
+			return this.maskValueResolver.resolveValue(mask, mi, methodInvocationResult.getResult());
+		}
+
+	}
+
+	class MaskValueResolver {
+
+		DefaultMethodSecurityExpressionHandler expressionHandler;
+
+		MaskValueResolver(ApplicationContext context) {
+			this.expressionHandler = new DefaultMethodSecurityExpressionHandler();
+			this.expressionHandler.setApplicationContext(context);
+		}
+
+		Mono<String> resolveValue(Mask mask, MethodInvocation mi, Object returnObject) {
+			if (StringUtils.hasText(mask.value())) {
+				return Mono.just(mask.value());
+			}
+			Expression expression = this.expressionHandler.getExpressionParser().parseExpression(mask.expression());
+			EvaluationContext evaluationContext = this.expressionHandler
+				.createEvaluationContext(() -> SecurityContextHolder.getContext().getAuthentication(), mi);
+			if (returnObject != null) {
+				this.expressionHandler.setReturnObject(returnObject, evaluationContext);
+			}
+			return Mono.just(expression.getValue(evaluationContext, String.class));
+		}
+
+	}
+
+	class PostMaskingPostProcessor implements MethodAuthorizationDeniedHandler {
+
+		@Override
+		public Object handleDeniedInvocation(MethodInvocation methodInvocation,
+				AuthorizationResult authorizationResult) {
+			return "***";
+		}
+
+	}
+
+	class CardNumberMaskingPostProcessor implements MethodAuthorizationDeniedHandler {
+
+		static String MASK = "****-****-****-";
+
+		@Override
+		public Object handleDeniedInvocation(MethodInvocation methodInvocation,
+				AuthorizationResult authorizationResult) {
+			return "***";
+		}
+
+		@Override
+		public Object handleDeniedInvocationResult(MethodInvocationResult contextObject, AuthorizationResult result) {
+			String cardNumber = (String) contextObject.getResult();
+			return MASK + cardNumber.substring(cardNumber.length() - 4);
+		}
+
+	}
+
+	class NullPostProcessor implements MethodAuthorizationDeniedHandler {
+
+		@Override
+		public Object handleDeniedInvocation(MethodInvocation methodInvocation,
+				AuthorizationResult authorizationResult) {
+			return null;
+		}
+
+	}
+
+	@Target({ ElementType.METHOD, ElementType.TYPE })
+	@Retention(RetentionPolicy.RUNTIME)
+	@Inherited
+	@interface Mask {
+
+		String value() default "";
+
+		String expression() default "";
+
+	}
+
+	@Target({ ElementType.METHOD, ElementType.TYPE })
+	@Retention(RetentionPolicy.RUNTIME)
+	@Inherited
+	@PostAuthorize("hasRole('{value}')")
+	@HandleAuthorizationDenied(handlerClass = NullPostProcessor.class)
+	@interface NullDenied {
+
+		String role();
+
+	}
+
+}

config/src/test/java/org/springframework/security/config/annotation/method/configuration/ReactiveMethodSecurityServiceImpl.java

@@ -0,0 +1,91 @@
+/*
+ * Copyright 2002-2024 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.config.annotation.method.configuration;
+
+import reactor.core.publisher.Mono;
+
+import org.springframework.security.authorization.AuthorizationDecision;
+import org.springframework.security.authorization.AuthorizationDeniedException;
+
+public class ReactiveMethodSecurityServiceImpl implements ReactiveMethodSecurityService {
+
+	@Override
+	public Mono<String> preAuthorizeGetCardNumberIfAdmin(String cardNumber) {
+		return Mono.just(cardNumber);
+	}
+
+	@Override
+	public Mono<String> preAuthorizeWithHandlerChildGetCardNumberIfAdmin(String cardNumber) {
+		return Mono.just(cardNumber);
+	}
+
+	@Override
+	public Mono<String> preAuthorizeThrowAccessDeniedManually() {
+		return Mono.error(new AuthorizationDeniedException("Access Denied", new AuthorizationDecision(false)));
+	}
+
+	@Override
+	public Mono<String> postAuthorizeGetCardNumberIfAdmin(String cardNumber) {
+		return Mono.just(cardNumber);
+	}
+
+	@Override
+	public Mono<String> postAuthorizeThrowAccessDeniedManually() {
+		return Mono.error(new AuthorizationDeniedException("Access Denied", new AuthorizationDecision(false)));
+	}
+
+	@Override
+	public Mono<String> preAuthorizeDeniedMethodWithMaskAnnotation() {
+		return Mono.just("ok");
+	}
+
+	@Override
+	public Mono<String> preAuthorizeDeniedMethodWithNoMaskAnnotation() {
+		return Mono.just("ok");
+	}
+
+	@Override
+	public Mono<String> postAuthorizeDeniedWithNullDenied() {
+		return Mono.just("ok");
+	}
+
+	@Override
+	public Mono<String> postAuthorizeDeniedMethodWithMaskAnnotation() {
+		return Mono.just("ok");
+	}
+
+	@Override
+	public Mono<String> postAuthorizeDeniedMethodWithNoMaskAnnotation() {
+		return Mono.just("ok");
+	}
+
+	@Override
+	public Mono<String> preAuthorizeWithMaskAnnotationUsingBean() {
+		return Mono.just("ok");
+	}
+
+	@Override
+	public Mono<String> postAuthorizeWithMaskAnnotationUsingBean() {
+		return Mono.just("ok");
+	}
+
+	@Override
+	public Mono<String> checkCustomResult(boolean result) {
+		return Mono.just("ok");
+	}
+
+}

config/src/test/java/org/springframework/security/config/annotation/method/configuration/UserRecordWithEmailProtected.java

@@ -0,0 +1,65 @@
+/*
+ * Copyright 2002-2024 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.config.annotation.method.configuration;
+
+import org.aopalliance.intercept.MethodInvocation;
+
+import org.springframework.security.access.prepost.PostAuthorize;
+import org.springframework.security.authorization.AuthorizationResult;
+import org.springframework.security.authorization.method.HandleAuthorizationDenied;
+import org.springframework.security.authorization.method.MethodAuthorizationDeniedHandler;
+import org.springframework.security.authorization.method.MethodInvocationResult;
+
+public class UserRecordWithEmailProtected {
+
+	private final String name;
+
+	private final String email;
+
+	public UserRecordWithEmailProtected(String name, String email) {
+		this.name = name;
+		this.email = email;
+	}
+
+	public String name() {
+		return this.name;
+	}
+
+	@PostAuthorize("hasRole('ADMIN')")
+	@HandleAuthorizationDenied(handlerClass = EmailMaskingPostProcessor.class)
+	public String email() {
+		return this.email;
+	}
+
+	public static class EmailMaskingPostProcessor implements MethodAuthorizationDeniedHandler {
+
+		@Override
+		public Object handleDeniedInvocation(MethodInvocation methodInvocation,
+				AuthorizationResult authorizationResult) {
+			return "***";
+		}
+
+		@Override
+		public Object handleDeniedInvocationResult(MethodInvocationResult methodInvocationResult,
+				AuthorizationResult authorizationResult) {
+			String email = (String) methodInvocationResult.getResult();
+			return email.replaceAll("(^[^@]{3}|(?!^)\\G)[^@]", "$1*");
+		}
+
+	}
+
+}

config/src/test/java/org/springframework/security/config/annotation/method/configuration/issue14637/ApplicationConfig.java

@@ -0,0 +1,68 @@
+/*
+ * Copyright 2002-2024 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.config.annotation.method.configuration.issue14637;
+
+import javax.sql.DataSource;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
+import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseBuilder;
+import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseType;
+import org.springframework.orm.jpa.JpaTransactionManager;
+import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
+import org.springframework.orm.jpa.vendor.Database;
+import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
+import org.springframework.security.config.annotation.method.configuration.issue14637.domain.Entry;
+import org.springframework.transaction.PlatformTransactionManager;
+import org.springframework.transaction.annotation.EnableTransactionManagement;
+
+/**
+ * @author Josh Cummings
+ */
+@Configuration
+@EnableJpaRepositories("org.springframework.security.config.annotation.method.configuration.issue14637.repo")
+@EnableTransactionManagement
+public class ApplicationConfig {
+
+	@Bean
+	public DataSource dataSource() {
+		EmbeddedDatabaseBuilder builder = new EmbeddedDatabaseBuilder();
+		return builder.setType(EmbeddedDatabaseType.HSQL).build();
+	}
+
+	@Bean
+	public LocalContainerEntityManagerFactoryBean entityManagerFactory() {
+		HibernateJpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter();
+		vendorAdapter.setDatabase(Database.HSQL);
+		vendorAdapter.setGenerateDdl(true);
+		vendorAdapter.setShowSql(true);
+		LocalContainerEntityManagerFactoryBean factory = new LocalContainerEntityManagerFactoryBean();
+		factory.setJpaVendorAdapter(vendorAdapter);
+		factory.setPackagesToScan(Entry.class.getPackage().getName());
+		factory.setDataSource(dataSource());
+		return factory;
+	}
+
+	@Bean
+	public PlatformTransactionManager transactionManager() {
+		JpaTransactionManager txManager = new JpaTransactionManager();
+		txManager.setEntityManagerFactory(entityManagerFactory().getObject());
+		return txManager;
+	}
+
+}

config/src/test/java/org/springframework/security/config/annotation/method/configuration/issue14637/Issue14637Tests.java

@@ -0,0 +1,50 @@
+/*
+ * Copyright 2002-2024 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.config.annotation.method.configuration.issue14637;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.security.access.AccessDeniedException;
+import org.springframework.security.config.annotation.method.configuration.issue14637.domain.Entry;
+import org.springframework.security.config.annotation.method.configuration.issue14637.repo.EntryRepository;
+import org.springframework.security.test.context.support.WithMockUser;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+
+import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
+
+/**
+ * @author Josh Cummings
+ */
+@ExtendWith(SpringExtension.class)
+@ContextConfiguration(classes = { ApplicationConfig.class, SecurityConfig.class })
+public class Issue14637Tests {
+
+	@Autowired
+	private EntryRepository entries;
+
+	@Test
+	@WithMockUser
+	public void authenticateWhenInvalidPasswordThenBadCredentialsException() {
+		Entry entry = new Entry();
+		entry.setId(123L);
+		assertThatExceptionOfType(AccessDeniedException.class).isThrownBy(() -> this.entries.save(entry));
+	}
+
+}

config/src/test/java/org/springframework/security/config/annotation/method/configuration/issue14637/SecurityConfig.java

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2002-2024 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.config.annotation.method.configuration.issue14637;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.config.annotation.method.configuration.EnableMethodSecurity;
+
+/**
+ * @author Josh Cummings
+ */
+@Configuration
+@EnableMethodSecurity
+public class SecurityConfig {
+
+}

config/src/test/java/org/springframework/security/config/annotation/method/configuration/issue14637/domain/Entry.java

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2002-2024 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.config.annotation.method.configuration.issue14637.domain;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+
+/**
+ * @author Josh Cummings
+ */
+@Entity
+public class Entry {
+
+	@Id
+	@GeneratedValue(strategy = GenerationType.AUTO)
+	private Long id;
+
+	public Long getId() {
+		return this.id;
+	}
+
+	public void setId(Long id) {
+		this.id = id;
+	}
+
+}

config/src/test/java/org/springframework/security/config/annotation/method/configuration/issue14637/repo/EntryRepository.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright 2002-2024 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.config.annotation.method.configuration.issue14637.repo;
+
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.security.access.prepost.PreAuthorize;
+import org.springframework.security.config.annotation.method.configuration.issue14637.domain.Entry;
+
+/**
+ * @author Josh Cummings
+ */
+public interface EntryRepository extends CrudRepository<Entry, String> {
+
+	@PreAuthorize("#entry.id == null")
+	Entry save(Entry entry);
+
+}

config/src/test/java/org/springframework/security/config/annotation/web/configuration/HttpSecurityConfigurationTests.java

@@ -47,6 +47,9 @@ import org.springframework.security.authentication.TestingAuthenticationToken;
 import org.springframework.security.authentication.event.AbstractAuthenticationEvent;
 import org.springframework.security.authentication.event.AbstractAuthenticationFailureEvent;
 import org.springframework.security.authentication.event.AuthenticationSuccessEvent;
+import org.springframework.security.authentication.password.CompromisedPasswordChecker;
+import org.springframework.security.authentication.password.CompromisedPasswordDecision;
+import org.springframework.security.authentication.password.CompromisedPasswordException;
 import org.springframework.security.config.Customizer;
 import org.springframework.security.config.annotation.SecurityContextChangedListenerConfig;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
@@ -60,8 +63,8 @@ import org.springframework.security.core.AuthenticationException;
 import org.springframework.security.core.context.SecurityContextHolderStrategy;
 import org.springframework.security.core.userdetails.User;
 import org.springframework.security.core.userdetails.UserDetails;
-import org.springframework.security.core.userdetails.UserDetailsService;
 import org.springframework.security.provisioning.InMemoryUserDetailsManager;
+import org.springframework.security.provisioning.UserDetailsManager;
 import org.springframework.security.test.web.servlet.RequestCacheResultMatcher;
 import org.springframework.security.web.SecurityFilterChain;
 import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
@@ -395,6 +398,41 @@ public class HttpSecurityConfigurationTests {
 		this.mockMvc.perform(formLogin()).andExpectAll(status().isNotFound(), unauthenticated());
 	}
 
+	@Test
+	void loginWhenCompromisePasswordCheckerConfiguredAndPasswordCompromisedThenUnauthorized() throws Exception {
+		this.spring
+			.register(SecurityEnabledConfig.class, UserDetailsConfig.class, CompromisedPasswordCheckerConfig.class)
+			.autowire();
+		this.mockMvc.perform(formLogin().password("password"))
+			.andExpectAll(status().isFound(), redirectedUrl("/login?error"), unauthenticated());
+	}
+
+	@Test
+	void loginWhenCompromisedPasswordAndRedirectIfPasswordExceptionThenRedirectedToResetPassword() throws Exception {
+		this.spring
+			.register(SecurityEnabledRedirectIfPasswordExceptionConfig.class, UserDetailsConfig.class,
+					CompromisedPasswordCheckerConfig.class)
+			.autowire();
+		this.mockMvc.perform(formLogin().password("password"))
+			.andExpectAll(status().isFound(), redirectedUrl("/reset-password"), unauthenticated());
+	}
+
+	@Test
+	void loginWhenCompromisePasswordCheckerConfiguredAndPasswordNotCompromisedThenSuccess() throws Exception {
+		this.spring
+			.register(SecurityEnabledConfig.class, UserDetailsConfig.class, CompromisedPasswordCheckerConfig.class)
+			.autowire();
+		UserDetailsManager userDetailsManager = this.spring.getContext().getBean(UserDetailsManager.class);
+		UserDetails notCompromisedPwUser = User.withDefaultPasswordEncoder()
+			.username("user2")
+			.password("password2")
+			.roles("USER")
+			.build();
+		userDetailsManager.createUser(notCompromisedPwUser);
+		this.mockMvc.perform(formLogin().user("user2").password("password2"))
+			.andExpectAll(status().isFound(), redirectedUrl("/"), authenticated());
+	}
+
 	@RestController
 	static class NameController {
 
@@ -455,7 +493,7 @@ public class HttpSecurityConfigurationTests {
 	static class UserDetailsConfig {
 
 		@Bean
-		UserDetailsService userDetailsService() {
+		InMemoryUserDetailsManager userDetailsService() {
 			// @formatter:off
 			UserDetails user = User.withDefaultPasswordEncoder()
 					.username("user")
@@ -732,4 +770,52 @@ public class HttpSecurityConfigurationTests {
 
 	}
 
+	@Configuration(proxyBeanMethods = false)
+	static class CompromisedPasswordCheckerConfig {
+
+		@Bean
+		TestCompromisedPasswordChecker compromisedPasswordChecker() {
+			return new TestCompromisedPasswordChecker();
+		}
+
+	}
+
+	@Configuration(proxyBeanMethods = false)
+	@EnableWebSecurity
+	static class SecurityEnabledRedirectIfPasswordExceptionConfig {
+
+		@Bean
+		SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
+			// @formatter:off
+			return http
+					.authorizeHttpRequests((authorize) -> authorize
+							.anyRequest().authenticated()
+					)
+					.formLogin((form) -> form
+							.failureHandler((request, response, exception) -> {
+								if (exception instanceof CompromisedPasswordException) {
+									response.sendRedirect("/reset-password");
+									return;
+								}
+								response.sendRedirect("/login?error");
+							})
+					)
+					.build();
+			// @formatter:on
+		}
+
+	}
+
+	private static class TestCompromisedPasswordChecker implements CompromisedPasswordChecker {
+
+		@Override
+		public CompromisedPasswordDecision check(String password) {
+			if ("password".equals(password)) {
+				return new CompromisedPasswordDecision(true);
+			}
+			return new CompromisedPasswordDecision(false);
+		}
+
+	}
+
 }

config/src/test/java/org/springframework/security/config/annotation/web/configuration/OAuth2AuthorizedClientManagerConfigurationTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -38,8 +38,6 @@ import org.springframework.context.annotation.Configuration;
 import org.springframework.mock.web.MockHttpServletRequest;
 import org.springframework.mock.web.MockHttpServletResponse;
 import org.springframework.security.authentication.TestingAuthenticationToken;
-import org.springframework.security.config.Customizer;
-import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.oauth2.client.CommonOAuth2Provider;
 import org.springframework.security.config.test.SpringTestContext;
 import org.springframework.security.oauth2.client.AuthorizationCodeOAuth2AuthorizedClientProvider;
@@ -52,6 +50,7 @@ import org.springframework.security.oauth2.client.OAuth2AuthorizedClient;
 import org.springframework.security.oauth2.client.OAuth2AuthorizedClientManager;
 import org.springframework.security.oauth2.client.PasswordOAuth2AuthorizedClientProvider;
 import org.springframework.security.oauth2.client.RefreshTokenOAuth2AuthorizedClientProvider;
+import org.springframework.security.oauth2.client.TokenExchangeOAuth2AuthorizedClientProvider;
 import org.springframework.security.oauth2.client.endpoint.AbstractOAuth2AuthorizationGrantRequest;
 import org.springframework.security.oauth2.client.endpoint.JwtBearerGrantRequest;
 import org.springframework.security.oauth2.client.endpoint.OAuth2AccessTokenResponseClient;
@@ -59,17 +58,14 @@ import org.springframework.security.oauth2.client.endpoint.OAuth2AuthorizationCo
 import org.springframework.security.oauth2.client.endpoint.OAuth2ClientCredentialsGrantRequest;
 import org.springframework.security.oauth2.client.endpoint.OAuth2PasswordGrantRequest;
 import org.springframework.security.oauth2.client.endpoint.OAuth2RefreshTokenGrantRequest;
-import org.springframework.security.oauth2.client.oidc.userinfo.OidcUserRequest;
-import org.springframework.security.oauth2.client.oidc.userinfo.OidcUserService;
+import org.springframework.security.oauth2.client.endpoint.TokenExchangeGrantRequest;
 import org.springframework.security.oauth2.client.registration.ClientRegistration;
 import org.springframework.security.oauth2.client.registration.ClientRegistrationRepository;
 import org.springframework.security.oauth2.client.registration.InMemoryClientRegistrationRepository;
-import org.springframework.security.oauth2.client.userinfo.DefaultOAuth2UserService;
-import org.springframework.security.oauth2.client.userinfo.OAuth2UserRequest;
-import org.springframework.security.oauth2.client.userinfo.OAuth2UserService;
 import org.springframework.security.oauth2.client.web.DefaultOAuth2AuthorizedClientManager;
 import org.springframework.security.oauth2.client.web.OAuth2AuthorizedClientRepository;
 import org.springframework.security.oauth2.core.AuthorizationGrantType;
+import org.springframework.security.oauth2.core.ClientAuthenticationMethod;
 import org.springframework.security.oauth2.core.OAuth2AccessToken;
 import org.springframework.security.oauth2.core.OAuth2AuthorizationException;
 import org.springframework.security.oauth2.core.OAuth2Error;
@@ -77,13 +73,10 @@ import org.springframework.security.oauth2.core.TestOAuth2RefreshTokens;
 import org.springframework.security.oauth2.core.endpoint.OAuth2AccessTokenResponse;
 import org.springframework.security.oauth2.core.endpoint.OAuth2ParameterNames;
 import org.springframework.security.oauth2.core.endpoint.TestOAuth2AccessTokenResponses;
-import org.springframework.security.oauth2.core.oidc.user.OidcUser;
-import org.springframework.security.oauth2.core.user.OAuth2User;
 import org.springframework.security.oauth2.jwt.JoseHeaderNames;
 import org.springframework.security.oauth2.jwt.Jwt;
 import org.springframework.security.oauth2.jwt.JwtClaimNames;
 import org.springframework.security.oauth2.server.resource.authentication.JwtAuthenticationToken;
-import org.springframework.security.web.SecurityFilterChain;
 import org.springframework.util.StringUtils;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -327,6 +320,47 @@ public class OAuth2AuthorizedClientManagerConfigurationTests {
 		assertThat(grantRequest.getJwt().getSubject()).isEqualTo("user");
 	}
 
+	@Test
+	public void authorizeWhenTokenExchangeAccessTokenResponseClientBeanThenUsed() {
+		this.spring.register(CustomAccessTokenResponseClientsConfig.class).autowire();
+		testTokenExchangeGrant();
+	}
+
+	@Test
+	public void authorizeWhenTokenExchangeAuthorizedClientProviderBeanThenUsed() {
+		this.spring.register(CustomAuthorizedClientProvidersConfig.class).autowire();
+		testTokenExchangeGrant();
+	}
+
+	private void testTokenExchangeGrant() {
+		OAuth2AccessTokenResponse accessTokenResponse = TestOAuth2AccessTokenResponses.accessTokenResponse().build();
+		given(MOCK_RESPONSE_CLIENT.getTokenResponse(any(TokenExchangeGrantRequest.class)))
+			.willReturn(accessTokenResponse);
+
+		JwtAuthenticationToken authentication = new JwtAuthenticationToken(getJwt());
+		ClientRegistration clientRegistration = this.clientRegistrationRepository.findByRegistrationId("auth0");
+		// @formatter:off
+		OAuth2AuthorizeRequest authorizeRequest = OAuth2AuthorizeRequest
+				.withClientRegistrationId(clientRegistration.getRegistrationId())
+				.principal(authentication)
+				.attribute(HttpServletRequest.class.getName(), this.request)
+				.attribute(HttpServletResponse.class.getName(), this.response)
+				.build();
+		// @formatter:on
+		OAuth2AuthorizedClient authorizedClient = this.authorizedClientManager.authorize(authorizeRequest);
+		assertThat(authorizedClient).isNotNull();
+
+		ArgumentCaptor<TokenExchangeGrantRequest> grantRequestCaptor = ArgumentCaptor
+			.forClass(TokenExchangeGrantRequest.class);
+		verify(MOCK_RESPONSE_CLIENT).getTokenResponse(grantRequestCaptor.capture());
+
+		TokenExchangeGrantRequest grantRequest = grantRequestCaptor.getValue();
+		assertThat(grantRequest.getClientRegistration().getRegistrationId())
+			.isEqualTo(clientRegistration.getRegistrationId());
+		assertThat(grantRequest.getGrantType()).isEqualTo(AuthorizationGrantType.TOKEN_EXCHANGE);
+		assertThat(grantRequest.getSubjectToken()).isEqualTo(authentication.getToken());
+	}
+
 	private static OAuth2AccessToken getExpiredAccessToken() {
 		Instant expiresAt = Instant.now().minusSeconds(60);
 		Instant issuedAt = expiresAt.minus(Duration.ofDays(1));
@@ -353,37 +387,32 @@ public class OAuth2AuthorizedClientManagerConfigurationTests {
 
 		@Bean
 		OAuth2AccessTokenResponseClient<OAuth2AuthorizationCodeGrantRequest> authorizationCodeTokenResponseClient() {
-			return new MockAuthorizationCodeClient();
+			return new MockAccessTokenResponseClient<>();
 		}
 
 		@Bean
 		OAuth2AccessTokenResponseClient<OAuth2RefreshTokenGrantRequest> refreshTokenTokenResponseClient() {
-			return new MockRefreshTokenClient();
+			return new MockAccessTokenResponseClient<>();
 		}
 
 		@Bean
 		OAuth2AccessTokenResponseClient<OAuth2ClientCredentialsGrantRequest> clientCredentialsTokenResponseClient() {
-			return new MockClientCredentialsClient();
+			return new MockAccessTokenResponseClient<>();
 		}
 
 		@Bean
 		OAuth2AccessTokenResponseClient<OAuth2PasswordGrantRequest> passwordTokenResponseClient() {
-			return new MockPasswordClient();
+			return new MockAccessTokenResponseClient<>();
 		}
 
 		@Bean
 		OAuth2AccessTokenResponseClient<JwtBearerGrantRequest> jwtBearerTokenResponseClient() {
-			return new MockJwtBearerClient();
+			return new MockAccessTokenResponseClient<>();
 		}
 
 		@Bean
-		OAuth2UserService<OAuth2UserRequest, OAuth2User> oauth2UserService() {
-			return mock(DefaultOAuth2UserService.class);
-		}
-
-		@Bean
-		OAuth2UserService<OidcUserRequest, OidcUser> oidcUserService() {
-			return mock(OidcUserService.class);
+		OAuth2AccessTokenResponseClient<TokenExchangeGrantRequest> tokenExchangeTokenResponseClient() {
+			return new MockAccessTokenResponseClient<>();
 		}
 
 	}
@@ -400,28 +429,35 @@ public class OAuth2AuthorizedClientManagerConfigurationTests {
 		@Bean
 		RefreshTokenOAuth2AuthorizedClientProvider refreshTokenProvider() {
 			RefreshTokenOAuth2AuthorizedClientProvider authorizedClientProvider = new RefreshTokenOAuth2AuthorizedClientProvider();
-			authorizedClientProvider.setAccessTokenResponseClient(new MockRefreshTokenClient());
+			authorizedClientProvider.setAccessTokenResponseClient(new MockAccessTokenResponseClient<>());
 			return authorizedClientProvider;
 		}
 
 		@Bean
 		ClientCredentialsOAuth2AuthorizedClientProvider clientCredentialsProvider() {
 			ClientCredentialsOAuth2AuthorizedClientProvider authorizedClientProvider = new ClientCredentialsOAuth2AuthorizedClientProvider();
-			authorizedClientProvider.setAccessTokenResponseClient(new MockClientCredentialsClient());
+			authorizedClientProvider.setAccessTokenResponseClient(new MockAccessTokenResponseClient<>());
 			return authorizedClientProvider;
 		}
 
 		@Bean
 		PasswordOAuth2AuthorizedClientProvider passwordProvider() {
 			PasswordOAuth2AuthorizedClientProvider authorizedClientProvider = new PasswordOAuth2AuthorizedClientProvider();
-			authorizedClientProvider.setAccessTokenResponseClient(new MockPasswordClient());
+			authorizedClientProvider.setAccessTokenResponseClient(new MockAccessTokenResponseClient<>());
 			return authorizedClientProvider;
 		}
 
 		@Bean
 		JwtBearerOAuth2AuthorizedClientProvider jwtBearerAuthorizedClientProvider() {
 			JwtBearerOAuth2AuthorizedClientProvider authorizedClientProvider = new JwtBearerOAuth2AuthorizedClientProvider();
-			authorizedClientProvider.setAccessTokenResponseClient(new MockJwtBearerClient());
+			authorizedClientProvider.setAccessTokenResponseClient(new MockAccessTokenResponseClient<>());
+			return authorizedClientProvider;
+		}
+
+		@Bean
+		TokenExchangeOAuth2AuthorizedClientProvider tokenExchangeAuthorizedClientProvider() {
+			TokenExchangeOAuth2AuthorizedClientProvider authorizedClientProvider = new TokenExchangeOAuth2AuthorizedClientProvider();
+			authorizedClientProvider.setAccessTokenResponseClient(new MockAccessTokenResponseClient<>());
 			return authorizedClientProvider;
 		}
 
@@ -429,21 +465,10 @@ public class OAuth2AuthorizedClientManagerConfigurationTests {
 
 	abstract static class OAuth2ClientBaseConfig {
 
-		@Bean
-		SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
-			// @formatter:off
-			http
-				.authorizeHttpRequests((authorize) -> authorize.anyRequest().authenticated())
-				.oauth2Login(Customizer.withDefaults())
-				.oauth2Client(Customizer.withDefaults());
-			return http.build();
-			// @formatter:on
-		}
-
 		@Bean
 		ClientRegistrationRepository clientRegistrationRepository() {
 			// @formatter:off
-			return new InMemoryClientRegistrationRepository(Arrays.asList(
+			return new InMemoryClientRegistrationRepository(
 					CommonOAuth2Provider.GOOGLE.getBuilder("google")
 							.clientId("google-client-id")
 							.clientSecret("google-client-secret")
@@ -463,7 +488,15 @@ public class OAuth2AuthorizedClientManagerConfigurationTests {
 							.clientId("okta-client-id")
 							.clientSecret("okta-client-secret")
 							.authorizationGrantType(AuthorizationGrantType.JWT_BEARER)
-							.build()));
+							.build(),
+					ClientRegistration.withRegistrationId("auth0")
+							.clientName("Auth0")
+							.clientId("auth0-client-id")
+							.clientSecret("auth0-client-secret")
+							.clientAuthenticationMethod(ClientAuthenticationMethod.CLIENT_SECRET_BASIC)
+							.authorizationGrantType(AuthorizationGrantType.TOKEN_EXCHANGE)
+							.scope("user.read", "user.write")
+							.build());
 			// @formatter:on
 		}
 
@@ -494,51 +527,11 @@ public class OAuth2AuthorizedClientManagerConfigurationTests {
 
 	}
 
-	private static class MockAuthorizationCodeClient
-			implements OAuth2AccessTokenResponseClient<OAuth2AuthorizationCodeGrantRequest> {
+	private static class MockAccessTokenResponseClient<T extends AbstractOAuth2AuthorizationGrantRequest>
+			implements OAuth2AccessTokenResponseClient<T> {
 
 		@Override
-		public OAuth2AccessTokenResponse getTokenResponse(
-				OAuth2AuthorizationCodeGrantRequest authorizationGrantRequest) {
-			return MOCK_RESPONSE_CLIENT.getTokenResponse(authorizationGrantRequest);
-		}
-
-	}
-
-	private static class MockRefreshTokenClient
-			implements OAuth2AccessTokenResponseClient<OAuth2RefreshTokenGrantRequest> {
-
-		@Override
-		public OAuth2AccessTokenResponse getTokenResponse(OAuth2RefreshTokenGrantRequest authorizationGrantRequest) {
-			return MOCK_RESPONSE_CLIENT.getTokenResponse(authorizationGrantRequest);
-		}
-
-	}
-
-	private static class MockClientCredentialsClient
-			implements OAuth2AccessTokenResponseClient<OAuth2ClientCredentialsGrantRequest> {
-
-		@Override
-		public OAuth2AccessTokenResponse getTokenResponse(
-				OAuth2ClientCredentialsGrantRequest authorizationGrantRequest) {
-			return MOCK_RESPONSE_CLIENT.getTokenResponse(authorizationGrantRequest);
-		}
-
-	}
-
-	private static class MockPasswordClient implements OAuth2AccessTokenResponseClient<OAuth2PasswordGrantRequest> {
-
-		@Override
-		public OAuth2AccessTokenResponse getTokenResponse(OAuth2PasswordGrantRequest authorizationGrantRequest) {
-			return MOCK_RESPONSE_CLIENT.getTokenResponse(authorizationGrantRequest);
-		}
-
-	}
-
-	private static class MockJwtBearerClient implements OAuth2AccessTokenResponseClient<JwtBearerGrantRequest> {
-
-		@Override
-		public OAuth2AccessTokenResponse getTokenResponse(JwtBearerGrantRequest authorizationGrantRequest) {
+		public OAuth2AccessTokenResponse getTokenResponse(T authorizationGrantRequest) {
 			return MOCK_RESPONSE_CLIENT.getTokenResponse(authorizationGrantRequest);
 		}
 

config/src/test/java/org/springframework/security/config/annotation/web/configurers/AuthorizeHttpRequestsConfigurerTests.java

@@ -40,8 +40,10 @@ import org.springframework.security.config.annotation.web.configuration.EnableWe
 import org.springframework.security.config.core.GrantedAuthorityDefaults;
 import org.springframework.security.config.test.SpringTestContext;
 import org.springframework.security.config.test.SpringTestContextExtension;
+import org.springframework.security.core.Authentication;
 import org.springframework.security.core.authority.AuthorityUtils;
 import org.springframework.security.core.authority.SimpleGrantedAuthority;
+import org.springframework.security.core.userdetails.UserDetails;
 import org.springframework.security.core.userdetails.UserDetailsService;
 import org.springframework.security.provisioning.InMemoryUserDetailsManager;
 import org.springframework.security.web.SecurityFilterChain;
@@ -543,6 +545,17 @@ public class AuthorizeHttpRequestsConfigurerTests {
 		this.mvc.perform(request).andExpect(status().isOk());
 		request = get("/user/deny");
 		this.mvc.perform(request).andExpect(status().isUnauthorized());
+
+		UserDetails user = TestAuthentication.withUsername("taehong").build();
+		Authentication authentication = TestAuthentication.authenticated(user);
+		request = get("/v2/user/{username}", user.getUsername()).with(authentication(authentication));
+		this.mvc.perform(request).andExpect(status().isOk());
+
+		request = get("/v2/user/{username}", "withNoAuthentication");
+		this.mvc.perform(request).andExpect(status().isUnauthorized());
+
+		request = get("/v2/user/{username}", "another").with(authentication(authentication));
+		this.mvc.perform(request).andExpect(status().isForbidden());
 	}
 
 	private static RequestPostProcessor remoteAddress(String remoteAddress) {
@@ -596,6 +609,20 @@ public class AuthorizeHttpRequestsConfigurerTests {
 		this.mvc.perform(requestWithUser).andExpect(status().isForbidden());
 	}
 
+	@Test
+	public void getWhenNotConfigAndAuthenticatedThenRespondsWithForbidden() throws Exception {
+		this.spring.register(NotConfig.class, BasicController.class).autowire();
+		MockHttpServletRequestBuilder requestWithUser = get("/").with(user("user"));
+		this.mvc.perform(requestWithUser).andExpect(status().isForbidden());
+	}
+
+	@Test
+	public void getWhenNotConfigAndNotAuthenticatedThenRespondsWithOk() throws Exception {
+		this.spring.register(NotConfig.class, BasicController.class).autowire();
+		MockHttpServletRequestBuilder requestWithUser = get("/");
+		this.mvc.perform(requestWithUser).andExpect(status().isOk());
+	}
+
 	@Configuration
 	@EnableWebSecurity
 	static class GrantedAuthorityDefaultHasRoleConfig {
@@ -1053,6 +1080,7 @@ public class AuthorizeHttpRequestsConfigurerTests {
 				.httpBasic(withDefaults())
 				.authorizeHttpRequests((requests) -> requests
 					.requestMatchers("/user/{username}").access(new WebExpressionAuthorizationManager("#username == 'user'"))
+					.requestMatchers("/v2/user/{username}").hasVariable("username").equalTo(Authentication::getName)
 				);
 			// @formatter:on
 			return http.build();
@@ -1066,6 +1094,11 @@ public class AuthorizeHttpRequestsConfigurerTests {
 				return username;
 			}
 
+			@RequestMapping("/v2/user/{username}")
+			String pathV2(@PathVariable("username") String username) {
+				return username;
+			}
+
 		}
 
 	}
@@ -1136,6 +1169,24 @@ public class AuthorizeHttpRequestsConfigurerTests {
 
 	}
 
+	@Configuration
+	@EnableWebSecurity
+	static class NotConfig {
+
+		@Bean
+		SecurityFilterChain chain(HttpSecurity http) throws Exception {
+			// @formatter:off
+			http
+				.httpBasic(withDefaults())
+				.authorizeHttpRequests((requests) -> requests
+					.anyRequest().not().authenticated()
+				);
+			// @formatter:on
+			return http.build();
+		}
+
+	}
+
 	@Configuration
 	static class AuthorizationEventPublisherConfig {
 

config/src/test/java/org/springframework/security/config/annotation/web/reactive/ReactiveOAuth2AuthorizedClientManagerConfigurationTests.java

@@ -0,0 +1,589 @@
+/*
+ * Copyright 2002-2024 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.config.annotation.web.reactive;
+
+import java.time.Duration;
+import java.time.Instant;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Objects;
+import java.util.function.Consumer;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.ArgumentCaptor;
+import reactor.core.publisher.Mono;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.MediaType;
+import org.springframework.mock.http.server.reactive.MockServerHttpRequest;
+import org.springframework.mock.web.server.MockServerWebExchange;
+import org.springframework.security.authentication.TestingAuthenticationToken;
+import org.springframework.security.config.oauth2.client.CommonOAuth2Provider;
+import org.springframework.security.config.test.SpringTestContext;
+import org.springframework.security.oauth2.client.AuthorizationCodeReactiveOAuth2AuthorizedClientProvider;
+import org.springframework.security.oauth2.client.ClientAuthorizationRequiredException;
+import org.springframework.security.oauth2.client.ClientCredentialsReactiveOAuth2AuthorizedClientProvider;
+import org.springframework.security.oauth2.client.JwtBearerReactiveOAuth2AuthorizedClientProvider;
+import org.springframework.security.oauth2.client.OAuth2AuthorizationContext;
+import org.springframework.security.oauth2.client.OAuth2AuthorizeRequest;
+import org.springframework.security.oauth2.client.OAuth2AuthorizedClient;
+import org.springframework.security.oauth2.client.PasswordReactiveOAuth2AuthorizedClientProvider;
+import org.springframework.security.oauth2.client.ReactiveOAuth2AuthorizedClientManager;
+import org.springframework.security.oauth2.client.ReactiveOAuth2AuthorizedClientService;
+import org.springframework.security.oauth2.client.RefreshTokenReactiveOAuth2AuthorizedClientProvider;
+import org.springframework.security.oauth2.client.TokenExchangeReactiveOAuth2AuthorizedClientProvider;
+import org.springframework.security.oauth2.client.endpoint.AbstractOAuth2AuthorizationGrantRequest;
+import org.springframework.security.oauth2.client.endpoint.JwtBearerGrantRequest;
+import org.springframework.security.oauth2.client.endpoint.OAuth2AuthorizationCodeGrantRequest;
+import org.springframework.security.oauth2.client.endpoint.OAuth2ClientCredentialsGrantRequest;
+import org.springframework.security.oauth2.client.endpoint.OAuth2PasswordGrantRequest;
+import org.springframework.security.oauth2.client.endpoint.OAuth2RefreshTokenGrantRequest;
+import org.springframework.security.oauth2.client.endpoint.ReactiveOAuth2AccessTokenResponseClient;
+import org.springframework.security.oauth2.client.endpoint.TokenExchangeGrantRequest;
+import org.springframework.security.oauth2.client.registration.ClientRegistration;
+import org.springframework.security.oauth2.client.registration.InMemoryReactiveClientRegistrationRepository;
+import org.springframework.security.oauth2.client.registration.ReactiveClientRegistrationRepository;
+import org.springframework.security.oauth2.client.web.DefaultReactiveOAuth2AuthorizedClientManager;
+import org.springframework.security.oauth2.client.web.server.ServerOAuth2AuthorizedClientRepository;
+import org.springframework.security.oauth2.client.web.server.WebSessionServerOAuth2AuthorizedClientRepository;
+import org.springframework.security.oauth2.core.AuthorizationGrantType;
+import org.springframework.security.oauth2.core.ClientAuthenticationMethod;
+import org.springframework.security.oauth2.core.OAuth2AccessToken;
+import org.springframework.security.oauth2.core.OAuth2AuthorizationException;
+import org.springframework.security.oauth2.core.OAuth2Error;
+import org.springframework.security.oauth2.core.TestOAuth2RefreshTokens;
+import org.springframework.security.oauth2.core.endpoint.OAuth2AccessTokenResponse;
+import org.springframework.security.oauth2.core.endpoint.OAuth2ParameterNames;
+import org.springframework.security.oauth2.core.endpoint.TestOAuth2AccessTokenResponses;
+import org.springframework.security.oauth2.jwt.JoseHeaderNames;
+import org.springframework.security.oauth2.jwt.Jwt;
+import org.springframework.security.oauth2.jwt.JwtClaimNames;
+import org.springframework.security.oauth2.server.resource.authentication.JwtAuthenticationToken;
+import org.springframework.util.StringUtils;
+import org.springframework.web.server.ServerWebExchange;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+
+/**
+ * Tests for
+ * {@link ReactiveOAuth2ClientConfiguration.ReactiveOAuth2AuthorizedClientManagerConfiguration}.
+ *
+ * @author Steve Riesenberg
+ */
+public class ReactiveOAuth2AuthorizedClientManagerConfigurationTests {
+
+	private static ReactiveOAuth2AccessTokenResponseClient<? super AbstractOAuth2AuthorizationGrantRequest> MOCK_RESPONSE_CLIENT;
+
+	public final SpringTestContext spring = new SpringTestContext(this);
+
+	@Autowired
+	private ReactiveOAuth2AuthorizedClientManager authorizedClientManager;
+
+	@Autowired
+	private ReactiveClientRegistrationRepository clientRegistrationRepository;
+
+	@Autowired(required = false)
+	private ServerOAuth2AuthorizedClientRepository authorizedClientRepository;
+
+	@Autowired(required = false)
+	private ReactiveOAuth2AuthorizedClientService authorizedClientService;
+
+	@Autowired(required = false)
+	private AuthorizationCodeReactiveOAuth2AuthorizedClientProvider authorizationCodeAuthorizedClientProvider;
+
+	private MockServerWebExchange exchange;
+
+	@BeforeEach
+	@SuppressWarnings("unchecked")
+	public void setUp() {
+		MOCK_RESPONSE_CLIENT = mock(ReactiveOAuth2AccessTokenResponseClient.class);
+		MockServerHttpRequest request = MockServerHttpRequest.get("/").build();
+		this.exchange = MockServerWebExchange.builder(request).build();
+	}
+
+	@Test
+	public void loadContextWhenOAuth2ClientEnabledThenConfigured() {
+		this.spring.register(MinimalOAuth2ClientConfig.class).autowire();
+		assertThat(this.authorizedClientManager).isNotNull();
+	}
+
+	@Test
+	public void authorizeWhenAuthorizationCodeAuthorizedClientProviderBeanThenUsed() {
+		this.spring.register(CustomAuthorizedClientProvidersConfig.class).autowire();
+
+		TestingAuthenticationToken authentication = new TestingAuthenticationToken("user", null, "ROLE_USER");
+		// @formatter:off
+		OAuth2AuthorizeRequest authorizeRequest = OAuth2AuthorizeRequest
+				.withClientRegistrationId("google")
+				.principal(authentication)
+				.attribute(ServerWebExchange.class.getName(), this.exchange)
+				.build();
+		assertThatExceptionOfType(ClientAuthorizationRequiredException.class)
+				.isThrownBy(() -> this.authorizedClientManager.authorize(authorizeRequest).block())
+				.extracting(OAuth2AuthorizationException::getError)
+				.extracting(OAuth2Error::getErrorCode)
+				.isEqualTo("client_authorization_required");
+		// @formatter:on
+
+		verify(this.authorizationCodeAuthorizedClientProvider).authorize(any(OAuth2AuthorizationContext.class));
+	}
+
+	@Test
+	public void authorizeWhenAuthorizedClientServiceBeanThenUsed() {
+		this.spring.register(CustomAuthorizedClientServiceConfig.class).autowire();
+
+		TestingAuthenticationToken authentication = new TestingAuthenticationToken("user", null, "ROLE_USER");
+		// @formatter:off
+		OAuth2AuthorizeRequest authorizeRequest = OAuth2AuthorizeRequest
+				.withClientRegistrationId("google")
+				.principal(authentication)
+				.attribute(ServerWebExchange.class.getName(), this.exchange)
+				.build();
+		assertThatExceptionOfType(ClientAuthorizationRequiredException.class)
+				.isThrownBy(() -> this.authorizedClientManager.authorize(authorizeRequest).block())
+				.extracting(OAuth2AuthorizationException::getError)
+				.extracting(OAuth2Error::getErrorCode)
+				.isEqualTo("client_authorization_required");
+		// @formatter:on
+
+		verify(this.authorizedClientService).loadAuthorizedClient(authorizeRequest.getClientRegistrationId(),
+				authentication.getName());
+	}
+
+	@Test
+	public void authorizeWhenRefreshTokenAccessTokenResponseClientBeanThenUsed() {
+		this.spring.register(CustomAccessTokenResponseClientsConfig.class).autowire();
+		testRefreshTokenGrant();
+	}
+
+	@Test
+	public void authorizeWhenRefreshTokenAuthorizedClientProviderBeanThenUsed() {
+		this.spring.register(CustomAuthorizedClientProvidersConfig.class).autowire();
+		testRefreshTokenGrant();
+	}
+
+	private void testRefreshTokenGrant() {
+		OAuth2AccessTokenResponse accessTokenResponse = TestOAuth2AccessTokenResponses.accessTokenResponse().build();
+		given(MOCK_RESPONSE_CLIENT.getTokenResponse(any(OAuth2RefreshTokenGrantRequest.class)))
+			.willReturn(Mono.just(accessTokenResponse));
+
+		TestingAuthenticationToken authentication = new TestingAuthenticationToken("user", null, "ROLE_USER");
+		ClientRegistration clientRegistration = this.clientRegistrationRepository.findByRegistrationId("google")
+			.block();
+		assertThat(clientRegistration).isNotNull();
+		OAuth2AuthorizedClient existingAuthorizedClient = new OAuth2AuthorizedClient(clientRegistration,
+				authentication.getName(), getExpiredAccessToken(), TestOAuth2RefreshTokens.refreshToken());
+		this.authorizedClientRepository.saveAuthorizedClient(existingAuthorizedClient, authentication, this.exchange)
+			.block();
+		// @formatter:off
+		OAuth2AuthorizeRequest authorizeRequest = OAuth2AuthorizeRequest
+				.withClientRegistrationId(clientRegistration.getRegistrationId())
+				.principal(authentication)
+				.attribute(ServerWebExchange.class.getName(), this.exchange)
+				.build();
+		// @formatter:on
+		OAuth2AuthorizedClient authorizedClient = this.authorizedClientManager.authorize(authorizeRequest).block();
+		assertThat(authorizedClient).isNotNull();
+
+		ArgumentCaptor<OAuth2RefreshTokenGrantRequest> grantRequestCaptor = ArgumentCaptor
+			.forClass(OAuth2RefreshTokenGrantRequest.class);
+		verify(MOCK_RESPONSE_CLIENT).getTokenResponse(grantRequestCaptor.capture());
+
+		OAuth2RefreshTokenGrantRequest grantRequest = grantRequestCaptor.getValue();
+		assertThat(grantRequest.getClientRegistration().getRegistrationId())
+			.isEqualTo(clientRegistration.getRegistrationId());
+		assertThat(grantRequest.getGrantType()).isEqualTo(AuthorizationGrantType.REFRESH_TOKEN);
+		assertThat(grantRequest.getAccessToken()).isEqualTo(existingAuthorizedClient.getAccessToken());
+		assertThat(grantRequest.getRefreshToken()).isEqualTo(existingAuthorizedClient.getRefreshToken());
+	}
+
+	@Test
+	public void authorizeWhenClientCredentialsAccessTokenResponseClientBeanThenUsed() {
+		this.spring.register(CustomAccessTokenResponseClientsConfig.class).autowire();
+		testClientCredentialsGrant();
+	}
+
+	@Test
+	public void authorizeWhenClientCredentialsAuthorizedClientProviderBeanThenUsed() {
+		this.spring.register(CustomAuthorizedClientProvidersConfig.class).autowire();
+		testClientCredentialsGrant();
+	}
+
+	private void testClientCredentialsGrant() {
+		OAuth2AccessTokenResponse accessTokenResponse = TestOAuth2AccessTokenResponses.accessTokenResponse().build();
+		given(MOCK_RESPONSE_CLIENT.getTokenResponse(any(OAuth2ClientCredentialsGrantRequest.class)))
+			.willReturn(Mono.just(accessTokenResponse));
+
+		TestingAuthenticationToken authentication = new TestingAuthenticationToken("user", null, "ROLE_USER");
+		ClientRegistration clientRegistration = this.clientRegistrationRepository.findByRegistrationId("github")
+			.block();
+		assertThat(clientRegistration).isNotNull();
+		// @formatter:off
+		OAuth2AuthorizeRequest authorizeRequest = OAuth2AuthorizeRequest
+				.withClientRegistrationId(clientRegistration.getRegistrationId())
+				.principal(authentication)
+				.attribute(ServerWebExchange.class.getName(), this.exchange)
+				.build();
+		// @formatter:on
+		OAuth2AuthorizedClient authorizedClient = this.authorizedClientManager.authorize(authorizeRequest).block();
+		assertThat(authorizedClient).isNotNull();
+
+		ArgumentCaptor<OAuth2ClientCredentialsGrantRequest> grantRequestCaptor = ArgumentCaptor
+			.forClass(OAuth2ClientCredentialsGrantRequest.class);
+		verify(MOCK_RESPONSE_CLIENT).getTokenResponse(grantRequestCaptor.capture());
+
+		OAuth2ClientCredentialsGrantRequest grantRequest = grantRequestCaptor.getValue();
+		assertThat(grantRequest.getClientRegistration().getRegistrationId())
+			.isEqualTo(clientRegistration.getRegistrationId());
+		assertThat(grantRequest.getGrantType()).isEqualTo(AuthorizationGrantType.CLIENT_CREDENTIALS);
+	}
+
+	@Test
+	public void authorizeWhenPasswordAccessTokenResponseClientBeanThenUsed() {
+		this.spring.register(CustomAccessTokenResponseClientsConfig.class).autowire();
+		testPasswordGrant();
+	}
+
+	@Test
+	public void authorizeWhenPasswordAuthorizedClientProviderBeanThenUsed() {
+		this.spring.register(CustomAuthorizedClientProvidersConfig.class).autowire();
+		testPasswordGrant();
+	}
+
+	private void testPasswordGrant() {
+		OAuth2AccessTokenResponse accessTokenResponse = TestOAuth2AccessTokenResponses.accessTokenResponse().build();
+		given(MOCK_RESPONSE_CLIENT.getTokenResponse(any(OAuth2PasswordGrantRequest.class)))
+			.willReturn(Mono.just(accessTokenResponse));
+
+		TestingAuthenticationToken authentication = new TestingAuthenticationToken("user", "password", "ROLE_USER");
+		ClientRegistration clientRegistration = this.clientRegistrationRepository.findByRegistrationId("facebook")
+			.block();
+		assertThat(clientRegistration).isNotNull();
+		MockServerHttpRequest request = MockServerHttpRequest.post("/")
+			.contentType(MediaType.APPLICATION_FORM_URLENCODED)
+			.body("username=user&password=password");
+		this.exchange = MockServerWebExchange.builder(request).build();
+		// @formatter:off
+		OAuth2AuthorizeRequest authorizeRequest = OAuth2AuthorizeRequest
+				.withClientRegistrationId(clientRegistration.getRegistrationId())
+				.principal(authentication)
+				.attribute(ServerWebExchange.class.getName(), this.exchange)
+				.build();
+		// @formatter:on
+		OAuth2AuthorizedClient authorizedClient = this.authorizedClientManager.authorize(authorizeRequest).block();
+		assertThat(authorizedClient).isNotNull();
+
+		ArgumentCaptor<OAuth2PasswordGrantRequest> grantRequestCaptor = ArgumentCaptor
+			.forClass(OAuth2PasswordGrantRequest.class);
+		verify(MOCK_RESPONSE_CLIENT).getTokenResponse(grantRequestCaptor.capture());
+
+		OAuth2PasswordGrantRequest grantRequest = grantRequestCaptor.getValue();
+		assertThat(grantRequest.getClientRegistration().getRegistrationId())
+			.isEqualTo(clientRegistration.getRegistrationId());
+		assertThat(grantRequest.getGrantType()).isEqualTo(AuthorizationGrantType.PASSWORD);
+		assertThat(grantRequest.getUsername()).isEqualTo("user");
+		assertThat(grantRequest.getPassword()).isEqualTo("password");
+	}
+
+	@Test
+	public void authorizeWhenJwtBearerAccessTokenResponseClientBeanThenUsed() {
+		this.spring.register(CustomAccessTokenResponseClientsConfig.class).autowire();
+		testJwtBearerGrant();
+	}
+
+	@Test
+	public void authorizeWhenJwtBearerAuthorizedClientProviderBeanThenUsed() {
+		this.spring.register(CustomAuthorizedClientProvidersConfig.class).autowire();
+		testJwtBearerGrant();
+	}
+
+	private void testJwtBearerGrant() {
+		OAuth2AccessTokenResponse accessTokenResponse = TestOAuth2AccessTokenResponses.accessTokenResponse().build();
+		given(MOCK_RESPONSE_CLIENT.getTokenResponse(any(JwtBearerGrantRequest.class)))
+			.willReturn(Mono.just(accessTokenResponse));
+
+		JwtAuthenticationToken authentication = new JwtAuthenticationToken(getJwt());
+		ClientRegistration clientRegistration = this.clientRegistrationRepository.findByRegistrationId("okta").block();
+		assertThat(clientRegistration).isNotNull();
+		// @formatter:off
+		OAuth2AuthorizeRequest authorizeRequest = OAuth2AuthorizeRequest
+				.withClientRegistrationId(clientRegistration.getRegistrationId())
+				.principal(authentication)
+				.attribute(ServerWebExchange.class.getName(), this.exchange)
+				.build();
+		// @formatter:on
+		OAuth2AuthorizedClient authorizedClient = this.authorizedClientManager.authorize(authorizeRequest).block();
+		assertThat(authorizedClient).isNotNull();
+
+		ArgumentCaptor<JwtBearerGrantRequest> grantRequestCaptor = ArgumentCaptor.forClass(JwtBearerGrantRequest.class);
+		verify(MOCK_RESPONSE_CLIENT).getTokenResponse(grantRequestCaptor.capture());
+
+		JwtBearerGrantRequest grantRequest = grantRequestCaptor.getValue();
+		assertThat(grantRequest.getClientRegistration().getRegistrationId())
+			.isEqualTo(clientRegistration.getRegistrationId());
+		assertThat(grantRequest.getGrantType()).isEqualTo(AuthorizationGrantType.JWT_BEARER);
+		assertThat(grantRequest.getJwt().getSubject()).isEqualTo("user");
+	}
+
+	@Test
+	public void authorizeWhenTokenExchangeAccessTokenResponseClientBeanThenUsed() {
+		this.spring.register(CustomAccessTokenResponseClientsConfig.class).autowire();
+		testTokenExchangeGrant();
+	}
+
+	@Test
+	public void authorizeWhenTokenExchangeAuthorizedClientProviderBeanThenUsed() {
+		this.spring.register(CustomAuthorizedClientProvidersConfig.class).autowire();
+		testTokenExchangeGrant();
+	}
+
+	private void testTokenExchangeGrant() {
+		OAuth2AccessTokenResponse accessTokenResponse = TestOAuth2AccessTokenResponses.accessTokenResponse().build();
+		given(MOCK_RESPONSE_CLIENT.getTokenResponse(any(TokenExchangeGrantRequest.class)))
+			.willReturn(Mono.just(accessTokenResponse));
+
+		JwtAuthenticationToken authentication = new JwtAuthenticationToken(getJwt());
+		ClientRegistration clientRegistration = this.clientRegistrationRepository.findByRegistrationId("auth0").block();
+		assertThat(clientRegistration).isNotNull();
+		// @formatter:off
+		OAuth2AuthorizeRequest authorizeRequest = OAuth2AuthorizeRequest
+				.withClientRegistrationId(clientRegistration.getRegistrationId())
+				.principal(authentication)
+				.attribute(ServerWebExchange.class.getName(), this.exchange)
+				.build();
+		// @formatter:on
+		OAuth2AuthorizedClient authorizedClient = this.authorizedClientManager.authorize(authorizeRequest).block();
+		assertThat(authorizedClient).isNotNull();
+
+		ArgumentCaptor<TokenExchangeGrantRequest> grantRequestCaptor = ArgumentCaptor
+			.forClass(TokenExchangeGrantRequest.class);
+		verify(MOCK_RESPONSE_CLIENT).getTokenResponse(grantRequestCaptor.capture());
+
+		TokenExchangeGrantRequest grantRequest = grantRequestCaptor.getValue();
+		assertThat(grantRequest.getClientRegistration().getRegistrationId())
+			.isEqualTo(clientRegistration.getRegistrationId());
+		assertThat(grantRequest.getGrantType()).isEqualTo(AuthorizationGrantType.TOKEN_EXCHANGE);
+		assertThat(grantRequest.getSubjectToken()).isEqualTo(authentication.getToken());
+	}
+
+	private static OAuth2AccessToken getExpiredAccessToken() {
+		Instant expiresAt = Instant.now().minusSeconds(60);
+		Instant issuedAt = expiresAt.minus(Duration.ofDays(1));
+		return new OAuth2AccessToken(OAuth2AccessToken.TokenType.BEARER, "scopes", issuedAt, expiresAt,
+				new HashSet<>(Arrays.asList("read", "write")));
+	}
+
+	private static Jwt getJwt() {
+		Instant issuedAt = Instant.now();
+		return new Jwt("token", issuedAt, issuedAt.plusSeconds(300),
+				Collections.singletonMap(JoseHeaderNames.ALG, "RS256"),
+				Collections.singletonMap(JwtClaimNames.SUB, "user"));
+	}
+
+	@Configuration
+	@EnableWebFluxSecurity
+	static class MinimalOAuth2ClientConfig extends OAuth2ClientBaseConfig {
+
+		@Bean
+		ServerOAuth2AuthorizedClientRepository authorizedClientRepository() {
+			return new WebSessionServerOAuth2AuthorizedClientRepository();
+		}
+
+	}
+
+	@Configuration
+	@EnableWebFluxSecurity
+	static class CustomAuthorizedClientServiceConfig extends OAuth2ClientBaseConfig {
+
+		@Bean
+		ReactiveOAuth2AuthorizedClientService authorizedClientService() {
+			ReactiveOAuth2AuthorizedClientService authorizedClientService = mock(
+					ReactiveOAuth2AuthorizedClientService.class);
+			given(authorizedClientService.loadAuthorizedClient(anyString(), anyString())).willReturn(Mono.empty());
+			return authorizedClientService;
+		}
+
+	}
+
+	@Configuration
+	@EnableWebFluxSecurity
+	static class CustomAccessTokenResponseClientsConfig extends MinimalOAuth2ClientConfig {
+
+		@Bean
+		ReactiveOAuth2AccessTokenResponseClient<OAuth2AuthorizationCodeGrantRequest> authorizationCodeAccessTokenResponseClient() {
+			return new MockAccessTokenResponseClient<>();
+		}
+
+		@Bean
+		ReactiveOAuth2AccessTokenResponseClient<OAuth2RefreshTokenGrantRequest> refreshTokenTokenAccessResponseClient() {
+			return new MockAccessTokenResponseClient<>();
+		}
+
+		@Bean
+		ReactiveOAuth2AccessTokenResponseClient<OAuth2ClientCredentialsGrantRequest> clientCredentialsAccessTokenResponseClient() {
+			return new MockAccessTokenResponseClient<>();
+		}
+
+		@Bean
+		ReactiveOAuth2AccessTokenResponseClient<OAuth2PasswordGrantRequest> passwordAccessTokenResponseClient() {
+			return new MockAccessTokenResponseClient<>();
+		}
+
+		@Bean
+		ReactiveOAuth2AccessTokenResponseClient<JwtBearerGrantRequest> jwtBearerAccessTokenResponseClient() {
+			return new MockAccessTokenResponseClient<>();
+		}
+
+		@Bean
+		ReactiveOAuth2AccessTokenResponseClient<TokenExchangeGrantRequest> tokenExchangeAccessTokenResponseClient() {
+			return new MockAccessTokenResponseClient<>();
+		}
+
+	}
+
+	@Configuration
+	@EnableWebFluxSecurity
+	static class CustomAuthorizedClientProvidersConfig extends MinimalOAuth2ClientConfig {
+
+		@Bean
+		AuthorizationCodeReactiveOAuth2AuthorizedClientProvider authorizationCode() {
+			return spy(new AuthorizationCodeReactiveOAuth2AuthorizedClientProvider());
+		}
+
+		@Bean
+		RefreshTokenReactiveOAuth2AuthorizedClientProvider refreshToken() {
+			RefreshTokenReactiveOAuth2AuthorizedClientProvider authorizedClientProvider = new RefreshTokenReactiveOAuth2AuthorizedClientProvider();
+			authorizedClientProvider.setAccessTokenResponseClient(new MockAccessTokenResponseClient<>());
+			return authorizedClientProvider;
+		}
+
+		@Bean
+		ClientCredentialsReactiveOAuth2AuthorizedClientProvider clientCredentials() {
+			ClientCredentialsReactiveOAuth2AuthorizedClientProvider authorizedClientProvider = new ClientCredentialsReactiveOAuth2AuthorizedClientProvider();
+			authorizedClientProvider.setAccessTokenResponseClient(new MockAccessTokenResponseClient<>());
+			return authorizedClientProvider;
+		}
+
+		@Bean
+		PasswordReactiveOAuth2AuthorizedClientProvider password() {
+			PasswordReactiveOAuth2AuthorizedClientProvider authorizedClientProvider = new PasswordReactiveOAuth2AuthorizedClientProvider();
+			authorizedClientProvider.setAccessTokenResponseClient(new MockAccessTokenResponseClient<>());
+			return authorizedClientProvider;
+		}
+
+		@Bean
+		JwtBearerReactiveOAuth2AuthorizedClientProvider jwtBearer() {
+			JwtBearerReactiveOAuth2AuthorizedClientProvider authorizedClientProvider = new JwtBearerReactiveOAuth2AuthorizedClientProvider();
+			authorizedClientProvider.setAccessTokenResponseClient(new MockAccessTokenResponseClient<>());
+			return authorizedClientProvider;
+		}
+
+		@Bean
+		TokenExchangeReactiveOAuth2AuthorizedClientProvider tokenExchange() {
+			TokenExchangeReactiveOAuth2AuthorizedClientProvider authorizedClientProvider = new TokenExchangeReactiveOAuth2AuthorizedClientProvider();
+			authorizedClientProvider.setAccessTokenResponseClient(new MockAccessTokenResponseClient<>());
+			return authorizedClientProvider;
+		}
+
+	}
+
+	abstract static class OAuth2ClientBaseConfig {
+
+		@Bean
+		ReactiveClientRegistrationRepository clientRegistrationRepository() {
+			// @formatter:off
+			return new InMemoryReactiveClientRegistrationRepository(
+					CommonOAuth2Provider.GOOGLE.getBuilder("google")
+						.clientId("google-client-id")
+						.clientSecret("google-client-secret")
+						.authorizationGrantType(AuthorizationGrantType.AUTHORIZATION_CODE)
+						.build(),
+					CommonOAuth2Provider.GITHUB.getBuilder("github")
+						.clientId("github-client-id")
+						.clientSecret("github-client-secret")
+						.authorizationGrantType(AuthorizationGrantType.CLIENT_CREDENTIALS)
+						.build(),
+					CommonOAuth2Provider.FACEBOOK.getBuilder("facebook")
+						.clientId("facebook-client-id")
+						.clientSecret("facebook-client-secret")
+						.authorizationGrantType(AuthorizationGrantType.PASSWORD)
+						.build(),
+					CommonOAuth2Provider.OKTA.getBuilder("okta")
+						.clientId("okta-client-id")
+						.clientSecret("okta-client-secret")
+						.authorizationGrantType(AuthorizationGrantType.JWT_BEARER)
+						.build(),
+					ClientRegistration.withRegistrationId("auth0")
+						.clientName("Auth0")
+						.clientId("auth0-client-id")
+						.clientSecret("auth0-client-secret")
+						.clientAuthenticationMethod(ClientAuthenticationMethod.CLIENT_SECRET_BASIC)
+						.authorizationGrantType(AuthorizationGrantType.TOKEN_EXCHANGE)
+						.scope("user.read", "user.write")
+						.build());
+			// @formatter:on
+		}
+
+		@Bean
+		Consumer<DefaultReactiveOAuth2AuthorizedClientManager> authorizedClientManagerConsumer() {
+			return (authorizedClientManager) -> authorizedClientManager
+				.setContextAttributesMapper((authorizeRequest) -> {
+					ServerWebExchange exchange = Objects
+						.requireNonNull(authorizeRequest.getAttribute(ServerWebExchange.class.getName()));
+					return exchange.getFormData().map((parameters) -> {
+						String username = parameters.getFirst(OAuth2ParameterNames.USERNAME);
+						String password = parameters.getFirst(OAuth2ParameterNames.PASSWORD);
+
+						Map<String, Object> attributes = Collections.emptyMap();
+						if (StringUtils.hasText(username) && StringUtils.hasText(password)) {
+							attributes = new HashMap<>();
+							attributes.put(OAuth2AuthorizationContext.USERNAME_ATTRIBUTE_NAME, username);
+							attributes.put(OAuth2AuthorizationContext.PASSWORD_ATTRIBUTE_NAME, password);
+						}
+
+						return attributes;
+					});
+				});
+
+		}
+
+	}
+
+	private static class MockAccessTokenResponseClient<T extends AbstractOAuth2AuthorizationGrantRequest>
+			implements ReactiveOAuth2AccessTokenResponseClient<T> {
+
+		@Override
+		public Mono<OAuth2AccessTokenResponse> getTokenResponse(T grantRequest) {
+			return MOCK_RESPONSE_CLIENT.getTokenResponse(grantRequest);
+		}
+
+	}
+
+}

config/src/test/java/org/springframework/security/config/annotation/web/reactive/ServerHttpSecurityConfigurationTests.java

@@ -16,16 +16,39 @@
 
 package org.springframework.security.config.annotation.web.reactive;
 
+import java.net.URI;
+
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
+import reactor.core.publisher.Mono;
 
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.security.authentication.password.CompromisedPasswordDecision;
+import org.springframework.security.authentication.password.CompromisedPasswordException;
+import org.springframework.security.authentication.password.ReactiveCompromisedPasswordChecker;
+import org.springframework.security.config.Customizer;
 import org.springframework.security.config.test.SpringTestContext;
 import org.springframework.security.config.test.SpringTestContextExtension;
 import org.springframework.security.config.users.ReactiveAuthenticationTestConfiguration;
 import org.springframework.security.config.web.server.ServerHttpSecurity;
+import org.springframework.security.core.userdetails.MapReactiveUserDetailsService;
+import org.springframework.security.core.userdetails.PasswordEncodedUser;
+import org.springframework.security.core.userdetails.User;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.web.server.DefaultServerRedirectStrategy;
+import org.springframework.security.web.server.SecurityWebFilterChain;
+import org.springframework.test.web.reactive.server.WebTestClient;
+import org.springframework.util.LinkedMultiValueMap;
+import org.springframework.util.MultiValueMap;
+import org.springframework.web.reactive.config.EnableWebFlux;
+import org.springframework.web.reactive.function.BodyInserters;
+import org.springframework.web.server.adapter.WebHttpHandlerBuilder;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.springframework.security.test.web.reactive.server.SecurityMockServerConfigurers.csrf;
 
 /**
  * Tests for {@link ServerHttpSecurityConfiguration}.
@@ -37,6 +60,16 @@ public class ServerHttpSecurityConfigurationTests {
 
 	public final SpringTestContext spring = new SpringTestContext(this);
 
+	WebTestClient webClient;
+
+	@Autowired
+	void setup(ApplicationContext context) {
+		if (!context.containsBean(WebHttpHandlerBuilder.WEB_HANDLER_BEAN_NAME)) {
+			return;
+		}
+		this.webClient = WebTestClient.bindToApplicationContext(context).configureClient().build();
+	}
+
 	@Test
 	public void loadConfigWhenReactiveUserDetailsServiceConfiguredThenServerHttpSecurityExists() {
 		this.spring
@@ -57,9 +90,151 @@ public class ServerHttpSecurityConfigurationTests {
 		assertThat(serverHttpSecurity).isNotNull();
 	}
 
+	@Test
+	void loginWhenCompromisePasswordCheckerConfiguredAndPasswordCompromisedThenUnauthorized() {
+		this.spring.register(FormLoginConfig.class, UserDetailsConfig.class, CompromisedPasswordCheckerConfig.class)
+			.autowire();
+		MultiValueMap<String, String> data = new LinkedMultiValueMap<>();
+		data.add("username", "user");
+		data.add("password", "password");
+		// @formatter:off
+		this.webClient.mutateWith(csrf())
+				.post()
+				.uri("/login")
+				.body(BodyInserters.fromFormData(data))
+				.exchange()
+				.expectStatus().is3xxRedirection()
+				.expectHeader().location("/login?error");
+		// @formatter:on
+	}
+
+	@Test
+	void loginWhenCompromisePasswordCheckerConfiguredAndPasswordNotCompromisedThenUnauthorized() {
+		this.spring.register(FormLoginConfig.class, UserDetailsConfig.class, CompromisedPasswordCheckerConfig.class)
+			.autowire();
+		MultiValueMap<String, String> data = new LinkedMultiValueMap<>();
+		data.add("username", "admin");
+		data.add("password", "password2");
+		// @formatter:off
+		this.webClient.mutateWith(csrf())
+				.post()
+				.uri("/login")
+				.body(BodyInserters.fromFormData(data))
+				.exchange()
+				.expectStatus().is3xxRedirection()
+				.expectHeader().location("/");
+		// @formatter:on
+	}
+
+	@Test
+	void loginWhenCompromisedPasswordAndRedirectIfPasswordExceptionThenRedirectedToResetPassword() {
+		this.spring
+			.register(FormLoginRedirectToResetPasswordConfig.class, UserDetailsConfig.class,
+					CompromisedPasswordCheckerConfig.class)
+			.autowire();
+		MultiValueMap<String, String> data = new LinkedMultiValueMap<>();
+		data.add("username", "user");
+		data.add("password", "password");
+		// @formatter:off
+		this.webClient.mutateWith(csrf())
+				.post()
+				.uri("/login")
+				.body(BodyInserters.fromFormData(data))
+				.exchange()
+				.expectStatus().is3xxRedirection()
+				.expectHeader().location("/reset-password");
+		// @formatter:on
+	}
+
 	@Configuration
 	static class SubclassConfig extends ServerHttpSecurityConfiguration {
 
 	}
 
+	@Configuration(proxyBeanMethods = false)
+	@EnableWebFlux
+	@EnableWebFluxSecurity
+	static class FormLoginConfig {
+
+		@Bean
+		SecurityWebFilterChain filterChain(ServerHttpSecurity http) {
+			// @formatter:off
+			http
+					.authorizeExchange((exchange) -> exchange
+						.anyExchange().authenticated()
+					)
+					.formLogin(Customizer.withDefaults());
+			// @formatter:on
+			return http.build();
+		}
+
+	}
+
+	@Configuration(proxyBeanMethods = false)
+	@EnableWebFlux
+	@EnableWebFluxSecurity
+	static class FormLoginRedirectToResetPasswordConfig {
+
+		@Bean
+		SecurityWebFilterChain filterChain(ServerHttpSecurity http) {
+			// @formatter:off
+			http
+					.authorizeExchange((exchange) -> exchange
+						.anyExchange().authenticated()
+					)
+					.formLogin((form) -> form
+							.authenticationFailureHandler((webFilterExchange, exception) -> {
+								String redirectUrl = "/login?error";
+								if (exception instanceof CompromisedPasswordException) {
+									redirectUrl = "/reset-password";
+								}
+								return new DefaultServerRedirectStrategy().sendRedirect(webFilterExchange.getExchange(), URI.create(redirectUrl));
+							})
+					);
+			// @formatter:on
+			return http.build();
+		}
+
+	}
+
+	@Configuration(proxyBeanMethods = false)
+	static class UserDetailsConfig {
+
+		@Bean
+		MapReactiveUserDetailsService userDetailsService() {
+			// @formatter:off
+			UserDetails user = PasswordEncodedUser.user();
+			UserDetails admin = User.withDefaultPasswordEncoder()
+					.username("admin")
+					.password("password2")
+					.roles("USER", "ADMIN")
+					.build();
+			// @formatter:on
+			return new MapReactiveUserDetailsService(user, admin);
+		}
+
+	}
+
+	@Configuration(proxyBeanMethods = false)
+	static class CompromisedPasswordCheckerConfig {
+
+		@Bean
+		TestReactivePasswordChecker compromisedPasswordChecker() {
+			return new TestReactivePasswordChecker();
+		}
+
+	}
+
+	static class TestReactivePasswordChecker implements ReactiveCompromisedPasswordChecker {
+
+		@Override
+		public Mono<CompromisedPasswordDecision> check(String password) {
+			if ("password".equals(password)) {
+				return Mono.just(new CompromisedPasswordDecision(true));
+			}
+			return Mono.just(new CompromisedPasswordDecision(false));
+		}
+
+	}
+
 }

config/src/test/java/org/springframework/security/config/doc/XsdDocumentedTests.java

@@ -65,7 +65,7 @@ public class XsdDocumentedTests {
 
 	String schema31xDocumentLocation = "org/springframework/security/config/spring-security-3.1.xsd";
 
-	String schemaDocumentLocation = "org/springframework/security/config/spring-security-6.2.xsd";
+	String schemaDocumentLocation = "org/springframework/security/config/spring-security-6.3.xsd";
 
 	XmlSupport xml = new XmlSupport();
 
@@ -151,8 +151,8 @@ public class XsdDocumentedTests {
 				.list((dir, name) -> name.endsWith(".xsd"));
 		// @formatter:on
 		assertThat(schemas.length)
-			.withFailMessage("the count is equal to 24, if not then schemaDocument needs updating")
-			.isEqualTo(24);
+			.withFailMessage("the count is equal to 25, if not then schemaDocument needs updating")
+			.isEqualTo(25);
 	}
 
 	/**

config/src/test/java/org/springframework/security/config/http/OAuth2AuthorizedClientManagerRegistrarTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -49,18 +49,20 @@ import org.springframework.security.oauth2.client.OAuth2AuthorizedClient;
 import org.springframework.security.oauth2.client.OAuth2AuthorizedClientManager;
 import org.springframework.security.oauth2.client.PasswordOAuth2AuthorizedClientProvider;
 import org.springframework.security.oauth2.client.RefreshTokenOAuth2AuthorizedClientProvider;
+import org.springframework.security.oauth2.client.TokenExchangeOAuth2AuthorizedClientProvider;
 import org.springframework.security.oauth2.client.endpoint.AbstractOAuth2AuthorizationGrantRequest;
 import org.springframework.security.oauth2.client.endpoint.JwtBearerGrantRequest;
 import org.springframework.security.oauth2.client.endpoint.OAuth2AccessTokenResponseClient;
-import org.springframework.security.oauth2.client.endpoint.OAuth2AuthorizationCodeGrantRequest;
 import org.springframework.security.oauth2.client.endpoint.OAuth2ClientCredentialsGrantRequest;
 import org.springframework.security.oauth2.client.endpoint.OAuth2PasswordGrantRequest;
 import org.springframework.security.oauth2.client.endpoint.OAuth2RefreshTokenGrantRequest;
+import org.springframework.security.oauth2.client.endpoint.TokenExchangeGrantRequest;
 import org.springframework.security.oauth2.client.registration.ClientRegistration;
 import org.springframework.security.oauth2.client.registration.ClientRegistrationRepository;
 import org.springframework.security.oauth2.client.web.DefaultOAuth2AuthorizedClientManager;
 import org.springframework.security.oauth2.client.web.OAuth2AuthorizedClientRepository;
 import org.springframework.security.oauth2.core.AuthorizationGrantType;
+import org.springframework.security.oauth2.core.ClientAuthenticationMethod;
 import org.springframework.security.oauth2.core.OAuth2AccessToken;
 import org.springframework.security.oauth2.core.OAuth2AuthorizationException;
 import org.springframework.security.oauth2.core.OAuth2Error;
@@ -316,6 +318,47 @@ public class OAuth2AuthorizedClientManagerRegistrarTests {
 		assertThat(grantRequest.getJwt().getSubject()).isEqualTo("user");
 	}
 
+	@Test
+	public void authorizeWhenTokenExchangeAccessTokenResponseClientBeanThenUsed() {
+		this.spring.configLocations(xml("clients")).autowire();
+		testTokenExchangeGrant();
+	}
+
+	@Test
+	public void authorizeWhenTokenExchangeAuthorizedClientProviderBeanThenUsed() {
+		this.spring.configLocations(xml("providers")).autowire();
+		testTokenExchangeGrant();
+	}
+
+	private void testTokenExchangeGrant() {
+		OAuth2AccessTokenResponse accessTokenResponse = TestOAuth2AccessTokenResponses.accessTokenResponse().build();
+		given(MOCK_RESPONSE_CLIENT.getTokenResponse(any(TokenExchangeGrantRequest.class)))
+			.willReturn(accessTokenResponse);
+
+		JwtAuthenticationToken authentication = new JwtAuthenticationToken(getJwt());
+		ClientRegistration clientRegistration = this.clientRegistrationRepository.findByRegistrationId("auth0");
+		// @formatter:off
+		OAuth2AuthorizeRequest authorizeRequest = OAuth2AuthorizeRequest
+				.withClientRegistrationId(clientRegistration.getRegistrationId())
+				.principal(authentication)
+				.attribute(HttpServletRequest.class.getName(), this.request)
+				.attribute(HttpServletResponse.class.getName(), this.response)
+				.build();
+		// @formatter:on
+		OAuth2AuthorizedClient authorizedClient = this.authorizedClientManager.authorize(authorizeRequest);
+		assertThat(authorizedClient).isNotNull();
+
+		ArgumentCaptor<TokenExchangeGrantRequest> grantRequestCaptor = ArgumentCaptor
+			.forClass(TokenExchangeGrantRequest.class);
+		verify(MOCK_RESPONSE_CLIENT).getTokenResponse(grantRequestCaptor.capture());
+
+		TokenExchangeGrantRequest grantRequest = grantRequestCaptor.getValue();
+		assertThat(grantRequest.getClientRegistration().getRegistrationId())
+			.isEqualTo(clientRegistration.getRegistrationId());
+		assertThat(grantRequest.getGrantType()).isEqualTo(AuthorizationGrantType.TOKEN_EXCHANGE);
+		assertThat(grantRequest.getSubjectToken()).isEqualTo(authentication.getToken());
+	}
+
 	private static OAuth2AccessToken getExpiredAccessToken() {
 		Instant expiresAt = Instant.now().minusSeconds(60);
 		Instant issuedAt = expiresAt.minus(Duration.ofDays(1));
@@ -356,6 +399,14 @@ public class OAuth2AuthorizedClientManagerRegistrarTests {
 						.clientId("okta-client-id")
 						.clientSecret("okta-client-secret")
 						.authorizationGrantType(AuthorizationGrantType.JWT_BEARER)
+						.build(),
+				ClientRegistration.withRegistrationId("auth0")
+						.clientName("Auth0")
+						.clientId("auth0-client-id")
+						.clientSecret("auth0-client-secret")
+						.clientAuthenticationMethod(ClientAuthenticationMethod.CLIENT_SECRET_BASIC)
+						.authorizationGrantType(AuthorizationGrantType.TOKEN_EXCHANGE)
+						.scope("user.read", "user.write")
 						.build());
 		// @formatter:on
 	}
@@ -378,95 +429,65 @@ public class OAuth2AuthorizedClientManagerRegistrarTests {
 		});
 	}
 
-	public static AuthorizationCodeOAuth2AuthorizedClientProvider authorizationCodeAuthorizedClientProvider() {
+	public static AuthorizationCodeOAuth2AuthorizedClientProvider authorizationCode() {
 		return spy(new AuthorizationCodeOAuth2AuthorizedClientProvider());
 	}
 
-	public static RefreshTokenOAuth2AuthorizedClientProvider refreshTokenAuthorizedClientProvider() {
+	public static RefreshTokenOAuth2AuthorizedClientProvider refreshToken() {
 		RefreshTokenOAuth2AuthorizedClientProvider authorizedClientProvider = new RefreshTokenOAuth2AuthorizedClientProvider();
 		authorizedClientProvider.setAccessTokenResponseClient(refreshTokenAccessTokenResponseClient());
 		return authorizedClientProvider;
 	}
 
-	public static MockRefreshTokenClient refreshTokenAccessTokenResponseClient() {
-		return new MockRefreshTokenClient();
+	public static OAuth2AccessTokenResponseClient<OAuth2RefreshTokenGrantRequest> refreshTokenAccessTokenResponseClient() {
+		return new MockAccessTokenResponseClient<>();
 	}
 
-	public static ClientCredentialsOAuth2AuthorizedClientProvider clientCredentialsAuthorizedClientProvider() {
+	public static ClientCredentialsOAuth2AuthorizedClientProvider clientCredentials() {
 		ClientCredentialsOAuth2AuthorizedClientProvider authorizedClientProvider = new ClientCredentialsOAuth2AuthorizedClientProvider();
 		authorizedClientProvider.setAccessTokenResponseClient(clientCredentialsAccessTokenResponseClient());
 		return authorizedClientProvider;
 	}
 
 	public static OAuth2AccessTokenResponseClient<OAuth2ClientCredentialsGrantRequest> clientCredentialsAccessTokenResponseClient() {
-		return new MockClientCredentialsClient();
+		return new MockAccessTokenResponseClient<>();
 	}
 
-	public static PasswordOAuth2AuthorizedClientProvider passwordAuthorizedClientProvider() {
+	public static PasswordOAuth2AuthorizedClientProvider password() {
 		PasswordOAuth2AuthorizedClientProvider authorizedClientProvider = new PasswordOAuth2AuthorizedClientProvider();
 		authorizedClientProvider.setAccessTokenResponseClient(passwordAccessTokenResponseClient());
 		return authorizedClientProvider;
 	}
 
 	public static OAuth2AccessTokenResponseClient<OAuth2PasswordGrantRequest> passwordAccessTokenResponseClient() {
-		return new MockPasswordClient();
+		return new MockAccessTokenResponseClient<>();
 	}
 
-	public static JwtBearerOAuth2AuthorizedClientProvider jwtBearerAuthorizedClientProvider() {
+	public static JwtBearerOAuth2AuthorizedClientProvider jwtBearer() {
 		JwtBearerOAuth2AuthorizedClientProvider authorizedClientProvider = new JwtBearerOAuth2AuthorizedClientProvider();
 		authorizedClientProvider.setAccessTokenResponseClient(jwtBearerAccessTokenResponseClient());
 		return authorizedClientProvider;
 	}
 
 	public static OAuth2AccessTokenResponseClient<JwtBearerGrantRequest> jwtBearerAccessTokenResponseClient() {
-		return new MockJwtBearerClient();
+		return new MockAccessTokenResponseClient<>();
 	}
 
-	private static class MockAuthorizationCodeClient
-			implements OAuth2AccessTokenResponseClient<OAuth2AuthorizationCodeGrantRequest> {
-
-		@Override
-		public OAuth2AccessTokenResponse getTokenResponse(
-				OAuth2AuthorizationCodeGrantRequest authorizationGrantRequest) {
-			return MOCK_RESPONSE_CLIENT.getTokenResponse(authorizationGrantRequest);
-		}
-
+	public static TokenExchangeOAuth2AuthorizedClientProvider tokenExchange() {
+		TokenExchangeOAuth2AuthorizedClientProvider authorizedClientProvider = new TokenExchangeOAuth2AuthorizedClientProvider();
+		authorizedClientProvider.setAccessTokenResponseClient(tokenExchangeAccessTokenResponseClient());
+		return authorizedClientProvider;
 	}
 
-	private static class MockRefreshTokenClient
-			implements OAuth2AccessTokenResponseClient<OAuth2RefreshTokenGrantRequest> {
-
-		@Override
-		public OAuth2AccessTokenResponse getTokenResponse(OAuth2RefreshTokenGrantRequest authorizationGrantRequest) {
-			return MOCK_RESPONSE_CLIENT.getTokenResponse(authorizationGrantRequest);
-		}
-
+	public static OAuth2AccessTokenResponseClient<TokenExchangeGrantRequest> tokenExchangeAccessTokenResponseClient() {
+		return new MockAccessTokenResponseClient<>();
 	}
 
-	private static class MockClientCredentialsClient
-			implements OAuth2AccessTokenResponseClient<OAuth2ClientCredentialsGrantRequest> {
+	private static class MockAccessTokenResponseClient<T extends AbstractOAuth2AuthorizationGrantRequest>
+			implements OAuth2AccessTokenResponseClient<T> {
 
 		@Override
-		public OAuth2AccessTokenResponse getTokenResponse(
-				OAuth2ClientCredentialsGrantRequest authorizationGrantRequest) {
-			return MOCK_RESPONSE_CLIENT.getTokenResponse(authorizationGrantRequest);
-		}
-
-	}
-
-	private static class MockPasswordClient implements OAuth2AccessTokenResponseClient<OAuth2PasswordGrantRequest> {
-
-		@Override
-		public OAuth2AccessTokenResponse getTokenResponse(OAuth2PasswordGrantRequest authorizationGrantRequest) {
-			return MOCK_RESPONSE_CLIENT.getTokenResponse(authorizationGrantRequest);
-		}
-
-	}
-
-	private static class MockJwtBearerClient implements OAuth2AccessTokenResponseClient<JwtBearerGrantRequest> {
-
-		@Override
-		public OAuth2AccessTokenResponse getTokenResponse(JwtBearerGrantRequest authorizationGrantRequest) {
+		public OAuth2AccessTokenResponse getTokenResponse(T authorizationGrantRequest) {
 			return MOCK_RESPONSE_CLIENT.getTokenResponse(authorizationGrantRequest);
 		}
 

config/src/test/java/org/springframework/security/config/saml2/RelyingPartyRegistrationsBeanDefinitionParserTests.java

@@ -16,6 +16,7 @@
 
 package org.springframework.security.config.saml2;
 
+import jakarta.servlet.http.HttpServletRequest;
 import okhttp3.mockwebserver.MockResponse;
 import okhttp3.mockwebserver.MockWebServer;
 import org.junit.jupiter.api.AfterEach;
@@ -23,16 +24,21 @@ import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.core.convert.converter.Converter;
 import org.springframework.http.HttpHeaders;
 import org.springframework.http.MediaType;
+import org.springframework.mock.web.MockHttpServletRequest;
 import org.springframework.security.config.test.SpringTestContext;
 import org.springframework.security.config.test.SpringTestContextExtension;
 import org.springframework.security.saml2.provider.service.registration.InMemoryRelyingPartyRegistrationRepository;
 import org.springframework.security.saml2.provider.service.registration.RelyingPartyRegistration;
 import org.springframework.security.saml2.provider.service.registration.RelyingPartyRegistrationRepository;
 import org.springframework.security.saml2.provider.service.registration.Saml2MessageBinding;
+import org.springframework.security.saml2.provider.service.web.authentication.OpenSaml4AuthenticationRequestResolver;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.verify;
 
 /**
  * Tests for {@link RelyingPartyRegistrationsBeanDefinitionParser}.
@@ -118,6 +124,7 @@ public class RelyingPartyRegistrationsBeanDefinitionParserTests {
 	// @formatter:on
 
 	@Autowired
+	@Qualifier("registrations")
 	private RelyingPartyRegistrationRepository relyingPartyRegistrationRepository;
 
 	public final SpringTestContext spring = new SpringTestContext(this);
@@ -268,6 +275,19 @@ public class RelyingPartyRegistrationsBeanDefinitionParserTests {
 				"http://www.w3.org/2001/04/xmldsig-more#rsa-sha384");
 	}
 
+	@Test
+	public void parseWhenRelayStateResolverThenUses() {
+		this.spring.configLocations(xml("RelayStateResolver")).autowire();
+		Converter<HttpServletRequest, String> relayStateResolver = this.spring.getContext().getBean(Converter.class);
+		OpenSaml4AuthenticationRequestResolver authenticationRequestResolver = this.spring.getContext()
+			.getBean(OpenSaml4AuthenticationRequestResolver.class);
+		MockHttpServletRequest request = new MockHttpServletRequest();
+		request.setRequestURI("/saml2/authenticate/one");
+		request.setServletPath("/saml2/authenticate/one");
+		authenticationRequestResolver.resolve(request);
+		verify(relayStateResolver).convert(request);
+	}
+
 	private static MockResponse xmlResponse(String xml) {
 		return new MockResponse().setHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_XML_VALUE).setBody(xml);
 	}

config/src/test/java/org/springframework/security/config/web/server/ServerHttpSecurityTests.java

@@ -56,9 +56,11 @@ import org.springframework.security.web.server.ServerAuthenticationEntryPoint;
 import org.springframework.security.web.server.ServerRedirectStrategy;
 import org.springframework.security.web.server.WebFilterChainProxy;
 import org.springframework.security.web.server.authentication.AnonymousAuthenticationWebFilterTests;
+import org.springframework.security.web.server.authentication.DelegatingServerAuthenticationSuccessHandler;
 import org.springframework.security.web.server.authentication.HttpBasicServerAuthenticationEntryPoint;
 import org.springframework.security.web.server.authentication.HttpStatusServerEntryPoint;
 import org.springframework.security.web.server.authentication.ServerAuthenticationFailureHandler;
+import org.springframework.security.web.server.authentication.ServerAuthenticationSuccessHandler;
 import org.springframework.security.web.server.authentication.ServerX509AuthenticationConverter;
 import org.springframework.security.web.server.authentication.logout.DelegatingServerLogoutHandler;
 import org.springframework.security.web.server.authentication.logout.LogoutWebFilter;
@@ -592,6 +594,7 @@ public class ServerHttpSecurityTests {
 	}
 
 	@Test
+	@SuppressWarnings("unchecked")
 	public void shouldConfigureRequestCacheForOAuth2LoginAuthenticationEntryPointAndSuccessHandler() {
 		ServerRequestCache requestCache = spy(new WebSessionServerRequestCache());
 		ReactiveClientRegistrationRepository clientRegistrationRepository = mock(
@@ -613,8 +616,11 @@ public class ServerHttpSecurityTests {
 		OAuth2LoginAuthenticationWebFilter authenticationWebFilter = getWebFilter(securityFilterChain,
 				OAuth2LoginAuthenticationWebFilter.class)
 			.get();
-		Object handler = ReflectionTestUtils.getField(authenticationWebFilter, "authenticationSuccessHandler");
-		assertThat(ReflectionTestUtils.getField(handler, "requestCache")).isSameAs(requestCache);
+		DelegatingServerAuthenticationSuccessHandler handler = (DelegatingServerAuthenticationSuccessHandler) ReflectionTestUtils
+			.getField(authenticationWebFilter, "authenticationSuccessHandler");
+		List<ServerAuthenticationSuccessHandler> delegates = (List<ServerAuthenticationSuccessHandler>) ReflectionTestUtils
+			.getField(handler, "delegates");
+		assertThat(ReflectionTestUtils.getField(delegates.get(0), "requestCache")).isSameAs(requestCache);
 	}
 
 	@Test

config/src/test/java/org/springframework/security/config/web/server/SessionManagementSpecTests.java

@@ -0,0 +1,587 @@
+/*
+ * Copyright 2002-2024 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.config.web.server;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import reactor.core.publisher.Mono;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Import;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseCookie;
+import org.springframework.security.authentication.ReactiveAuthenticationManager;
+import org.springframework.security.authentication.TestingAuthenticationToken;
+import org.springframework.security.config.Customizer;
+import org.springframework.security.config.annotation.web.reactive.EnableWebFluxSecurity;
+import org.springframework.security.config.test.SpringTestContext;
+import org.springframework.security.config.test.SpringTestContextExtension;
+import org.springframework.security.config.users.ReactiveAuthenticationTestConfiguration;
+import org.springframework.security.core.session.InMemoryReactiveSessionRegistry;
+import org.springframework.security.core.session.ReactiveSessionRegistry;
+import org.springframework.security.oauth2.client.authentication.OAuth2LoginAuthenticationToken;
+import org.springframework.security.oauth2.client.registration.InMemoryReactiveClientRegistrationRepository;
+import org.springframework.security.oauth2.client.registration.TestClientRegistrations;
+import org.springframework.security.oauth2.client.web.server.ServerOAuth2AuthorizationRequestResolver;
+import org.springframework.security.oauth2.core.OAuth2AccessToken;
+import org.springframework.security.oauth2.core.TestOAuth2AccessTokens;
+import org.springframework.security.oauth2.core.endpoint.OAuth2AuthorizationExchange;
+import org.springframework.security.oauth2.core.endpoint.TestOAuth2AuthorizationExchanges;
+import org.springframework.security.oauth2.core.user.OAuth2User;
+import org.springframework.security.oauth2.core.user.TestOAuth2Users;
+import org.springframework.security.web.server.SecurityWebFilterChain;
+import org.springframework.security.web.server.authentication.InvalidateLeastUsedServerMaximumSessionsExceededHandler;
+import org.springframework.security.web.server.authentication.PreventLoginServerMaximumSessionsExceededHandler;
+import org.springframework.security.web.server.authentication.RedirectServerAuthenticationSuccessHandler;
+import org.springframework.security.web.server.authentication.ServerAuthenticationConverter;
+import org.springframework.security.web.server.authentication.SessionLimit;
+import org.springframework.security.web.server.context.WebSessionServerSecurityContextRepository;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+import org.springframework.test.web.reactive.server.WebTestClient;
+import org.springframework.util.LinkedMultiValueMap;
+import org.springframework.util.MultiValueMap;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.reactive.config.EnableWebFlux;
+import org.springframework.web.reactive.function.BodyInserters;
+import org.springframework.web.server.adapter.WebHttpHandlerBuilder;
+import org.springframework.web.server.session.DefaultWebSessionManager;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.Mockito.mock;
+import static org.springframework.security.test.web.reactive.server.SecurityMockServerConfigurers.csrf;
+
+@ExtendWith({ SpringExtension.class, SpringTestContextExtension.class })
+public class SessionManagementSpecTests {
+
+	public final SpringTestContext spring = new SpringTestContext(this);
+
+	WebTestClient client;
+
+	@Autowired
+	public void setApplicationContext(ApplicationContext context) {
+		this.client = WebTestClient.bindToApplicationContext(context).build();
+	}
+
+	@Test
+	void loginWhenMaxSessionPreventsLoginThenSecondLoginFails() {
+		this.spring.register(ConcurrentSessionsMaxSessionPreventsLoginConfig.class).autowire();
+
+		MultiValueMap<String, String> data = new LinkedMultiValueMap<>();
+		data.add("username", "user");
+		data.add("password", "password");
+
+		ResponseCookie firstLoginSessionCookie = loginReturningCookie(data);
+
+		// second login should fail
+		ResponseCookie secondLoginSessionCookie = this.client.mutateWith(csrf())
+			.post()
+			.uri("/login")
+			.contentType(MediaType.MULTIPART_FORM_DATA)
+			.body(BodyInserters.fromFormData(data))
+			.exchange()
+			.expectHeader()
+			.location("/login?error")
+			.returnResult(Void.class)
+			.getResponseCookies()
+			.getFirst("SESSION");
+
+		assertThat(secondLoginSessionCookie).isNull();
+
+		// first login should still be valid
+		this.client.mutateWith(csrf())
+			.get()
+			.uri("/")
+			.cookie(firstLoginSessionCookie.getName(), firstLoginSessionCookie.getValue())
+			.exchange()
+			.expectStatus()
+			.isOk();
+	}
+
+	@Test
+	void httpBasicWhenUsingSavingAuthenticationInWebSessionAndPreventLoginThenSecondRequestFails() {
+		this.spring.register(ConcurrentSessionsHttpBasicWithWebSessionMaxSessionPreventsLoginConfig.class).autowire();
+
+		MultiValueMap<String, String> data = new LinkedMultiValueMap<>();
+		data.add("username", "user");
+		data.add("password", "password");
+
+		// first request be successful
+		ResponseCookie sessionCookie = this.client.get()
+			.uri("/")
+			.headers((headers) -> headers.setBasicAuth("user", "password"))
+			.exchange()
+			.expectStatus()
+			.isOk()
+			.expectCookie()
+			.exists("SESSION")
+			.returnResult(Void.class)
+			.getResponseCookies()
+			.getFirst("SESSION");
+
+		// request with no session should fail
+		this.client.get()
+			.uri("/")
+			.headers((headers) -> headers.setBasicAuth("user", "password"))
+			.exchange()
+			.expectStatus()
+			.isUnauthorized();
+
+		// request with session obtained from first request should be successful
+		this.client.get()
+			.uri("/")
+			.headers((headers) -> headers.setBasicAuth("user", "password"))
+			.cookie(sessionCookie.getName(), sessionCookie.getValue())
+			.exchange()
+			.expectStatus()
+			.isOk();
+	}
+
+	@Test
+	void loginWhenMaxSessionPerAuthenticationThenUserLoginFailsAndAdminLoginSucceeds() {
+		ConcurrentSessionsMaxSessionPreventsLoginConfig.sessionLimit = (authentication) -> {
+			if (authentication.getName().equals("admin")) {
+				return Mono.empty();
+			}
+			return Mono.just(1);
+		};
+		this.spring.register(ConcurrentSessionsMaxSessionPreventsLoginConfig.class).autowire();
+
+		MultiValueMap<String, String> data = new LinkedMultiValueMap<>();
+		data.add("username", "user");
+		data.add("password", "password");
+		MultiValueMap<String, String> adminCreds = new LinkedMultiValueMap<>();
+		adminCreds.add("username", "admin");
+		adminCreds.add("password", "password");
+
+		ResponseCookie userFirstLoginSessionCookie = loginReturningCookie(data);
+		ResponseCookie adminFirstLoginSessionCookie = loginReturningCookie(adminCreds);
+		// second user login should fail
+		this.client.mutateWith(csrf())
+			.post()
+			.uri("/login")
+			.contentType(MediaType.MULTIPART_FORM_DATA)
+			.body(BodyInserters.fromFormData(data))
+			.exchange()
+			.expectHeader()
+			.location("/login?error");
+		// first login should still be valid
+		this.client.mutateWith(csrf())
+			.get()
+			.uri("/")
+			.cookie(userFirstLoginSessionCookie.getName(), userFirstLoginSessionCookie.getValue())
+			.exchange()
+			.expectStatus()
+			.isOk();
+		ResponseCookie adminSecondLoginSessionCookie = loginReturningCookie(adminCreds);
+		this.client.mutateWith(csrf())
+			.get()
+			.uri("/")
+			.cookie(adminFirstLoginSessionCookie.getName(), adminFirstLoginSessionCookie.getValue())
+			.exchange()
+			.expectStatus()
+			.isOk();
+		this.client.mutateWith(csrf())
+			.get()
+			.uri("/")
+			.cookie(adminSecondLoginSessionCookie.getName(), adminSecondLoginSessionCookie.getValue())
+			.exchange()
+			.expectStatus()
+			.isOk();
+	}
+
+	@Test
+	void loginWhenMaxSessionDoesNotPreventLoginThenSecondLoginSucceedsAndFirstSessionIsInvalidated() {
+		ConcurrentSessionsMaxSessionPreventsLoginFalseConfig.sessionLimit = SessionLimit.of(1);
+		this.spring.register(ConcurrentSessionsMaxSessionPreventsLoginFalseConfig.class).autowire();
+
+		MultiValueMap<String, String> data = new LinkedMultiValueMap<>();
+		data.add("username", "user");
+		data.add("password", "password");
+
+		ResponseCookie firstLoginSessionCookie = loginReturningCookie(data);
+		ResponseCookie secondLoginSessionCookie = loginReturningCookie(data);
+
+		// first login should not be valid
+		this.client.get()
+			.uri("/")
+			.cookie(firstLoginSessionCookie.getName(), firstLoginSessionCookie.getValue())
+			.exchange()
+			.expectStatus()
+			.isFound()
+			.expectHeader()
+			.location("/login");
+
+		// second login should be valid
+		this.client.get()
+			.uri("/")
+			.cookie(secondLoginSessionCookie.getName(), secondLoginSessionCookie.getValue())
+			.exchange()
+			.expectStatus()
+			.isOk();
+	}
+
+	@Test
+	void loginWhenMaxSessionDoesNotPreventLoginThenLeastRecentlyUsedSessionIsInvalidated() {
+		ConcurrentSessionsMaxSessionPreventsLoginFalseConfig.sessionLimit = SessionLimit.of(2);
+		this.spring.register(ConcurrentSessionsMaxSessionPreventsLoginFalseConfig.class).autowire();
+
+		MultiValueMap<String, String> data = new LinkedMultiValueMap<>();
+		data.add("username", "user");
+		data.add("password", "password");
+
+		ResponseCookie firstLoginSessionCookie = loginReturningCookie(data);
+		ResponseCookie secondLoginSessionCookie = loginReturningCookie(data);
+
+		// update last access time for first request
+		this.client.get()
+			.uri("/")
+			.cookie(firstLoginSessionCookie.getName(), firstLoginSessionCookie.getValue())
+			.exchange()
+			.expectStatus()
+			.isOk();
+
+		ResponseCookie thirdLoginSessionCookie = loginReturningCookie(data);
+
+		// second login should be invalid, it is the least recently used session
+		this.client.get()
+			.uri("/")
+			.cookie(secondLoginSessionCookie.getName(), secondLoginSessionCookie.getValue())
+			.exchange()
+			.expectStatus()
+			.isFound()
+			.expectHeader()
+			.location("/login");
+
+		// first login should be valid
+		this.client.get()
+			.uri("/")
+			.cookie(firstLoginSessionCookie.getName(), firstLoginSessionCookie.getValue())
+			.exchange()
+			.expectStatus()
+			.isOk();
+
+		// third login should be valid
+		this.client.get()
+			.uri("/")
+			.cookie(thirdLoginSessionCookie.getName(), thirdLoginSessionCookie.getValue())
+			.exchange()
+			.expectStatus()
+			.isOk();
+	}
+
+	@Test
+	void oauth2LoginWhenMaxSessionsThenPreventLogin() {
+		OAuth2LoginConcurrentSessionsConfig.maxSessions = 1;
+		OAuth2LoginConcurrentSessionsConfig.preventLogin = true;
+		this.spring.register(OAuth2LoginConcurrentSessionsConfig.class).autowire();
+		prepareOAuth2Config();
+		// @formatter:off
+		ResponseCookie sessionCookie = this.client.get()
+				.uri("/login/oauth2/code/client-credentials")
+				.exchange()
+				.expectStatus().is3xxRedirection()
+				.expectHeader().valueEquals("Location", "/")
+				.expectCookie().exists("SESSION")
+				.returnResult(Void.class)
+				.getResponseCookies()
+				.getFirst("SESSION");
+
+		this.client.get()
+				.uri("/login/oauth2/code/client-credentials")
+				.exchange()
+				.expectHeader().location("/login?error");
+
+		this.client.get().uri("/")
+				.cookie(sessionCookie.getName(), sessionCookie.getValue())
+				.exchange()
+				.expectStatus().isOk()
+				.expectBody(String.class).isEqualTo("ok");
+		// @formatter:on
+	}
+
+	@Test
+	void oauth2LoginWhenMaxSessionDoesNotPreventLoginThenSecondLoginSucceedsAndFirstSessionIsInvalidated() {
+		OAuth2LoginConcurrentSessionsConfig.maxSessions = 1;
+		OAuth2LoginConcurrentSessionsConfig.preventLogin = false;
+		this.spring.register(OAuth2LoginConcurrentSessionsConfig.class).autowire();
+		prepareOAuth2Config();
+		// @formatter:off
+		ResponseCookie firstLoginCookie = this.client.get()
+				.uri("/login/oauth2/code/client-credentials")
+				.exchange()
+				.expectStatus().is3xxRedirection()
+				.expectHeader().valueEquals("Location", "/")
+				.expectCookie().exists("SESSION")
+				.returnResult(Void.class)
+				.getResponseCookies()
+				.getFirst("SESSION");
+		ResponseCookie secondLoginCookie = this.client.get()
+				.uri("/login/oauth2/code/client-credentials")
+				.exchange()
+				.expectStatus().is3xxRedirection()
+				.expectHeader().valueEquals("Location", "/")
+				.expectCookie().exists("SESSION")
+				.returnResult(Void.class)
+				.getResponseCookies()
+				.getFirst("SESSION");
+
+		this.client.get().uri("/")
+				.cookie(firstLoginCookie.getName(), firstLoginCookie.getValue())
+				.exchange()
+				.expectStatus().isFound()
+				.expectHeader().location("/login");
+
+		this.client.get().uri("/")
+				.cookie(secondLoginCookie.getName(), secondLoginCookie.getValue())
+				.exchange()
+				.expectStatus().isOk()
+				.expectBody(String.class).isEqualTo("ok");
+		// @formatter:on
+	}
+
+	@Test
+	void loginWhenAuthenticationSuccessHandlerOverriddenThenConcurrentSessionHandlersBackOff() {
+		this.spring.register(ConcurrentSessionsFormLoginOverrideAuthenticationSuccessHandlerConfig.class).autowire();
+		MultiValueMap<String, String> data = new LinkedMultiValueMap<>();
+		data.add("username", "user");
+		data.add("password", "password");
+		// first login should be successful
+		login(data).expectStatus().isFound().expectHeader().location("/");
+		// second login should be successful, there should be no concurrent session
+		// control
+		login(data).expectStatus().isFound().expectHeader().location("/");
+	}
+
+	private void prepareOAuth2Config() {
+		OAuth2LoginConcurrentSessionsConfig config = this.spring.getContext()
+			.getBean(OAuth2LoginConcurrentSessionsConfig.class);
+		ServerAuthenticationConverter converter = config.authenticationConverter;
+		ReactiveAuthenticationManager manager = config.manager;
+		ServerOAuth2AuthorizationRequestResolver resolver = config.resolver;
+		OAuth2AuthorizationExchange exchange = TestOAuth2AuthorizationExchanges.success();
+		OAuth2User user = TestOAuth2Users.create();
+		OAuth2AccessToken accessToken = TestOAuth2AccessTokens.noScopes();
+		OAuth2LoginAuthenticationToken result = new OAuth2LoginAuthenticationToken(
+				TestClientRegistrations.clientRegistration().build(), exchange, user, user.getAuthorities(),
+				accessToken);
+		given(converter.convert(any())).willReturn(Mono.just(new TestingAuthenticationToken("a", "b", "c")));
+		given(manager.authenticate(any())).willReturn(Mono.just(result));
+		given(resolver.resolve(any())).willReturn(Mono.empty());
+	}
+
+	private ResponseCookie loginReturningCookie(MultiValueMap<String, String> data) {
+		return login(data).expectCookie()
+			.exists("SESSION")
+			.returnResult(Void.class)
+			.getResponseCookies()
+			.getFirst("SESSION");
+	}
+
+	private WebTestClient.ResponseSpec login(MultiValueMap<String, String> data) {
+		return this.client.mutateWith(csrf())
+			.post()
+			.uri("/login")
+			.contentType(MediaType.MULTIPART_FORM_DATA)
+			.body(BodyInserters.fromFormData(data))
+			.exchange();
+	}
+
+	@Configuration
+	@EnableWebFlux
+	@EnableWebFluxSecurity
+	@Import(Config.class)
+	static class ConcurrentSessionsMaxSessionPreventsLoginConfig {
+
+		static SessionLimit sessionLimit = SessionLimit.of(1);
+
+		@Bean
+		SecurityWebFilterChain springSecurity(ServerHttpSecurity http) {
+			// @formatter:off
+			http
+				.authorizeExchange((exchanges) -> exchanges.anyExchange().authenticated())
+				.formLogin(Customizer.withDefaults())
+				.sessionManagement((sessionManagement) -> sessionManagement
+					.concurrentSessions((concurrentSessions) -> concurrentSessions
+						.maximumSessions(sessionLimit)
+						.maximumSessionsExceededHandler(new PreventLoginServerMaximumSessionsExceededHandler())
+					)
+				);
+			// @formatter:on
+			return http.build();
+		}
+
+	}
+
+	@Configuration
+	@EnableWebFlux
+	@EnableWebFluxSecurity
+	@Import(Config.class)
+	static class OAuth2LoginConcurrentSessionsConfig {
+
+		static int maxSessions = 1;
+
+		static boolean preventLogin = true;
+
+		ReactiveAuthenticationManager manager = mock(ReactiveAuthenticationManager.class);
+
+		ServerAuthenticationConverter authenticationConverter = mock(ServerAuthenticationConverter.class);
+
+		ServerOAuth2AuthorizationRequestResolver resolver = mock(ServerOAuth2AuthorizationRequestResolver.class);
+
+		@Bean
+		SecurityWebFilterChain springSecurityFilter(ServerHttpSecurity http,
+				DefaultWebSessionManager webSessionManager) {
+			// @formatter:off
+			http
+					.authorizeExchange((exchanges) -> exchanges
+						.anyExchange().authenticated()
+					)
+					.oauth2Login((oauth2Login) -> oauth2Login
+						.authenticationConverter(this.authenticationConverter)
+						.authenticationManager(this.manager)
+						.authorizationRequestResolver(this.resolver)
+					)
+					.sessionManagement((sessionManagement) -> sessionManagement
+						.concurrentSessions((concurrentSessions) -> concurrentSessions
+								.maximumSessions(SessionLimit.of(maxSessions))
+								.maximumSessionsExceededHandler(preventLogin
+										? new PreventLoginServerMaximumSessionsExceededHandler()
+										: new InvalidateLeastUsedServerMaximumSessionsExceededHandler(webSessionManager.getSessionStore()))
+						)
+					);
+			// @formatter:on
+			return http.build();
+		}
+
+		@Bean
+		InMemoryReactiveClientRegistrationRepository clientRegistrationRepository() {
+			return new InMemoryReactiveClientRegistrationRepository(
+					TestClientRegistrations.clientCredentials().build());
+		}
+
+	}
+
+	@Configuration
+	@EnableWebFlux
+	@EnableWebFluxSecurity
+	@Import(Config.class)
+	static class ConcurrentSessionsMaxSessionPreventsLoginFalseConfig {
+
+		static SessionLimit sessionLimit = SessionLimit.of(1);
+
+		@Bean
+		SecurityWebFilterChain springSecurity(ServerHttpSecurity http) {
+			// @formatter:off
+			http
+				.authorizeExchange((exchanges) -> exchanges.anyExchange().authenticated())
+				.formLogin(Customizer.withDefaults())
+				.sessionManagement((sessionManagement) -> sessionManagement
+					.concurrentSessions((concurrentSessions) -> concurrentSessions
+						.maximumSessions(sessionLimit)
+					)
+				);
+			// @formatter:on
+			return http.build();
+		}
+
+	}
+
+	@Configuration
+	@EnableWebFlux
+	@EnableWebFluxSecurity
+	@Import(Config.class)
+	static class ConcurrentSessionsFormLoginOverrideAuthenticationSuccessHandlerConfig {
+
+		@Bean
+		SecurityWebFilterChain springSecurity(ServerHttpSecurity http) {
+			// @formatter:off
+			http
+				.authorizeExchange((exchanges) -> exchanges.anyExchange().authenticated())
+				.formLogin((login) -> login
+						.authenticationSuccessHandler(new RedirectServerAuthenticationSuccessHandler("/"))
+				)
+				.sessionManagement((sessionManagement) -> sessionManagement
+					.concurrentSessions((concurrentSessions) -> concurrentSessions
+						.maximumSessions(SessionLimit.of(1))
+						.maximumSessionsExceededHandler(new PreventLoginServerMaximumSessionsExceededHandler())
+					)
+				);
+			// @formatter:on
+			return http.build();
+		}
+
+	}
+
+	@Configuration
+	@EnableWebFlux
+	@EnableWebFluxSecurity
+	@Import(Config.class)
+	static class ConcurrentSessionsHttpBasicWithWebSessionMaxSessionPreventsLoginConfig {
+
+		@Bean
+		SecurityWebFilterChain springSecurity(ServerHttpSecurity http) {
+			// @formatter:off
+			http
+					.authorizeExchange((exchanges) -> exchanges.anyExchange().authenticated())
+					.httpBasic((basic) -> basic
+							.securityContextRepository(new WebSessionServerSecurityContextRepository())
+					)
+					.sessionManagement((sessionManagement) -> sessionManagement
+							.concurrentSessions((concurrentSessions) -> concurrentSessions
+									.maximumSessions(SessionLimit.of(1))
+									.maximumSessionsExceededHandler(new PreventLoginServerMaximumSessionsExceededHandler())
+							)
+					);
+			// @formatter:on
+			return http.build();
+		}
+
+	}
+
+	@Configuration
+	@Import({ ReactiveAuthenticationTestConfiguration.class, DefaultController.class })
+	static class Config {
+
+		@Bean(WebHttpHandlerBuilder.WEB_SESSION_MANAGER_BEAN_NAME)
+		DefaultWebSessionManager webSessionManager() {
+			return new DefaultWebSessionManager();
+		}
+
+		@Bean
+		ReactiveSessionRegistry reactiveSessionRegistry() {
+			return new InMemoryReactiveSessionRegistry();
+		}
+
+	}
+
+	@RestController
+	static class DefaultController {
+
+		@GetMapping("/")
+		String index() {
+			return "ok";
+		}
+
+	}
+
+}

config/src/test/kotlin/org/springframework/security/config/annotation/web/AuthorizeHttpRequestsDslTests.kt

@@ -816,4 +816,41 @@ class AuthorizeHttpRequestsDslTests {
         }
 
     }
+
+    @Test
+    fun `request when ip address does not match then responds with forbidden`() {
+        this.spring.register(HasIpAddressConfig::class.java).autowire()
+
+        this.mockMvc.perform(get("/path")
+            .with { request ->
+                request.setAttribute(WebUtils.ERROR_REQUEST_URI_ATTRIBUTE, "/error")
+                request.apply {
+                    dispatcherType = DispatcherType.ERROR
+                }
+            })
+            .andExpect(status().isForbidden)
+    }
+
+    @Configuration
+    @EnableWebSecurity
+    @EnableWebMvc
+    open class HasIpAddressConfig {
+
+        @Bean
+        open fun securityFilterChain(http: HttpSecurity): SecurityFilterChain {
+            http {
+                authorizeHttpRequests {
+                    authorize(anyRequest, hasIpAddress("10.0.0.0/24"))
+                }
+            }
+            return http.build()
+        }
+
+        @RestController
+        internal class PathController {
+            @RequestMapping("/path")
+            fun path() {
+            }
+        }
+    }
 }

config/src/test/kotlin/org/springframework/security/config/annotation/web/FormLoginDslTests.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -33,6 +33,7 @@ import org.springframework.security.config.test.SpringTestContextExtension
 import org.springframework.security.core.userdetails.User
 import org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestBuilders.formLogin
 import org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors.csrf
+import org.springframework.security.test.web.servlet.response.SecurityMockMvcResultMatchers.authenticated
 import org.springframework.security.web.SecurityFilterChain
 import org.springframework.security.web.authentication.SimpleUrlAuthenticationFailureHandler
 import org.springframework.security.web.authentication.SimpleUrlAuthenticationSuccessHandler
@@ -367,6 +368,50 @@ class FormLoginDslTests {
         verify(exactly = 1) { CustomAuthenticationDetailsSourceConfig.AUTHENTICATION_DETAILS_SOURCE.buildDetails(any()) }
     }
 
+    @Configuration
+    @EnableWebSecurity
+    open class CustomUsernameParameterConfig {
+        @Bean
+        open fun securityFilterChain(http: HttpSecurity): SecurityFilterChain {
+            http {
+                formLogin {
+                    usernameParameter = "custom-username"
+                }
+            }
+            return http.build()
+        }
+    }
+
+    @Test
+    fun `form login when custom username parameter then used`() {
+        this.spring.register(CustomUsernameParameterConfig::class.java, UserConfig::class.java).autowire()
+
+        this.mockMvc.perform(formLogin().userParameter("custom-username"))
+                .andExpect(authenticated())
+    }
+
+    @Configuration
+    @EnableWebSecurity
+    open class CustomPasswordParameterConfig {
+        @Bean
+        open fun securityFilterChain(http: HttpSecurity): SecurityFilterChain {
+            http {
+                formLogin {
+                    passwordParameter = "custom-password"
+                }
+            }
+            return http.build()
+        }
+    }
+
+    @Test
+    fun `form login when custom password parameter then used`() {
+        this.spring.register(CustomPasswordParameterConfig::class.java, UserConfig::class.java).autowire()
+
+        this.mockMvc.perform(formLogin().passwordParam("custom-password"))
+                .andExpect(authenticated())
+    }
+
     @Configuration
     @EnableWebSecurity
     open class CustomAuthenticationDetailsSourceConfig {

config/src/test/kotlin/org/springframework/security/config/annotation/web/Saml2LogoutDslTests.kt

@@ -0,0 +1,126 @@
+/*
+ * Copyright 2002-2024 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.config.annotation.web
+
+import org.assertj.core.api.Assertions
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.extension.ExtendWith
+import org.springframework.beans.factory.BeanCreationException
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+import org.springframework.security.authentication.TestAuthentication
+import org.springframework.security.config.annotation.web.builders.HttpSecurity
+import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity
+import org.springframework.security.config.test.SpringTestContext
+import org.springframework.security.config.test.SpringTestContextExtension
+import org.springframework.security.core.authority.AuthorityUtils
+import org.springframework.security.saml2.provider.service.authentication.DefaultSaml2AuthenticatedPrincipal
+import org.springframework.security.saml2.provider.service.authentication.Saml2Authentication
+import org.springframework.security.saml2.provider.service.registration.InMemoryRelyingPartyRegistrationRepository
+import org.springframework.security.saml2.provider.service.registration.RelyingPartyRegistrationRepository
+import org.springframework.security.saml2.provider.service.registration.TestRelyingPartyRegistrations
+import org.springframework.security.test.web.servlet.request.SecurityMockMvcRequestPostProcessors
+import org.springframework.security.web.SecurityFilterChain
+import org.springframework.test.web.servlet.MockMvc
+import org.springframework.test.web.servlet.MvcResult
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders
+import org.springframework.test.web.servlet.result.MockMvcResultMatchers
+import java.util.*
+
+/**
+ * Tests for [Saml2LogoutDsl]
+ *
+ * @author Josh Cummings
+ */
+@ExtendWith(SpringTestContextExtension::class)
+class Saml2LogoutDslTests {
+    @JvmField
+    val spring = SpringTestContext(this)
+
+    @Autowired
+    lateinit var mockMvc: MockMvc
+
+    @Test
+    fun `saml2Logout when no relying party registration repository then exception`() {
+        Assertions.assertThatThrownBy { this.spring.register(Saml2LogoutNoRelyingPartyRegistrationRepoConfig::class.java).autowire() }
+                .isInstanceOf(BeanCreationException::class.java)
+                .hasMessageContaining("relyingPartyRegistrationRepository cannot be null")
+
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun `saml2Logout when defaults and not saml login then default logout`() {
+        this.spring.register(Saml2LogoutDefaultsConfig::class.java).autowire()
+        val user = TestAuthentication.authenticatedUser()
+        val result: MvcResult = this.mockMvc.perform(
+            MockMvcRequestBuilders.post("/logout").with(SecurityMockMvcRequestPostProcessors.authentication(user))
+                .with(SecurityMockMvcRequestPostProcessors.csrf()))
+            .andExpect(MockMvcResultMatchers.status().isFound())
+            .andReturn()
+        val location = result.response.getHeader("Location")
+        Assertions.assertThat(location).isEqualTo("/login?logout")
+    }
+
+    @Test
+    @Throws(Exception::class)
+    fun saml2LogoutWhenDefaultsThenLogsOutAndSendsLogoutRequest() {
+        this.spring.register(Saml2LogoutDefaultsConfig::class.java).autowire()
+        val principal = DefaultSaml2AuthenticatedPrincipal("user", emptyMap())
+        principal.relyingPartyRegistrationId = "registration-id"
+        val user = Saml2Authentication(principal, "response", AuthorityUtils.createAuthorityList("ROLE_USER"))
+        val result: MvcResult = this.mockMvc.perform(MockMvcRequestBuilders.post("/logout")
+            .with(SecurityMockMvcRequestPostProcessors.authentication(user))
+            .with(SecurityMockMvcRequestPostProcessors.csrf()))
+            .andExpect(MockMvcResultMatchers.status().isFound())
+            .andReturn()
+        val location = result.response.getHeader("Location")
+        Assertions.assertThat(location).startsWith("https://ap.example.org/logout/saml2/request")
+    }
+
+    @Configuration
+    @EnableWebSecurity
+    open class Saml2LogoutNoRelyingPartyRegistrationRepoConfig {
+        @Bean
+        open fun securityFilterChain(http: HttpSecurity): SecurityFilterChain {
+            http {
+                saml2Logout { }
+            }
+            return http.build()
+        }
+    }
+
+    @Configuration
+    @EnableWebSecurity
+    open class Saml2LogoutDefaultsConfig {
+
+        @Bean
+        open fun securityFilterChain(http: HttpSecurity): SecurityFilterChain {
+            http {
+                saml2Logout { }
+            }
+            return http.build()
+        }
+
+        @Bean
+        open fun registrations(): RelyingPartyRegistrationRepository =
+            InMemoryRelyingPartyRegistrationRepository(TestRelyingPartyRegistrations.full().build())
+
+    }
+
+}

config/src/test/kotlin/org/springframework/security/config/web/server/ServerSessionManagementDslTests.kt

@@ -0,0 +1,282 @@
+/*
+ * Copyright 2002-2024 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.security.config.web.server
+
+import org.junit.Test
+import org.junit.jupiter.api.extension.ExtendWith
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.context.ApplicationContext
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+import org.springframework.context.annotation.Import
+import org.springframework.http.MediaType
+import org.springframework.http.ResponseCookie
+import org.springframework.security.config.annotation.web.reactive.EnableWebFluxSecurity
+import org.springframework.security.config.test.SpringTestContext
+import org.springframework.security.config.test.SpringTestContextExtension
+import org.springframework.security.config.users.ReactiveAuthenticationTestConfiguration
+import org.springframework.security.core.session.InMemoryReactiveSessionRegistry
+import org.springframework.security.core.session.ReactiveSessionRegistry
+import org.springframework.security.test.web.reactive.server.SecurityMockServerConfigurers
+import org.springframework.security.web.server.SecurityWebFilterChain
+import org.springframework.security.web.server.authentication.InvalidateLeastUsedServerMaximumSessionsExceededHandler
+import org.springframework.security.web.server.authentication.PreventLoginServerMaximumSessionsExceededHandler
+import org.springframework.security.web.server.authentication.SessionLimit
+import org.springframework.test.web.reactive.server.WebTestClient
+import org.springframework.util.LinkedMultiValueMap
+import org.springframework.util.MultiValueMap
+import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.RestController
+import org.springframework.web.reactive.config.EnableWebFlux
+import org.springframework.web.reactive.function.BodyInserters
+import org.springframework.web.server.adapter.WebHttpHandlerBuilder
+import org.springframework.web.server.session.DefaultWebSessionManager
+
+/**
+ * Tests for [ServerSessionManagementDsl]
+ *
+ * @author Marcus da Coregio
+ */
+@ExtendWith(SpringTestContextExtension::class)
+class ServerSessionManagementDslTests {
+
+    @JvmField
+    val spring = SpringTestContext(this)
+
+    private lateinit var client: WebTestClient
+
+    @Autowired
+    fun setup(context: ApplicationContext) {
+        this.client = WebTestClient
+            .bindToApplicationContext(context)
+            .configureClient()
+            .build()
+    }
+
+    @Test
+    fun `login when max sessions prevent login then second login fails`() {
+        this.spring.register(ConcurrentSessionsMaxSessionPreventsLoginTrueConfig::class.java).autowire()
+
+        val data: MultiValueMap<String, String> = LinkedMultiValueMap()
+        data.add("username", "user")
+        data.add("password", "password")
+
+        val firstLoginSessionCookie = loginReturningCookie(data)
+
+        // second login should fail
+        this.client.mutateWith(SecurityMockServerConfigurers.csrf())
+            .post()
+            .uri("/login")
+            .contentType(MediaType.MULTIPART_FORM_DATA)
+            .body(BodyInserters.fromFormData(data))
+            .exchange()
+            .expectHeader()
+            .location("/login?error")
+
+        // first login should still be valid
+        this.client.mutateWith(SecurityMockServerConfigurers.csrf())
+            .get()
+            .uri("/")
+            .cookie(firstLoginSessionCookie!!.name, firstLoginSessionCookie.value)
+            .exchange()
+            .expectStatus()
+            .isOk()
+    }
+
+    @Test
+    fun `login when max sessions does not prevent login then seconds login succeeds and first session is invalidated`() {
+        ConcurrentSessionsMaxSessionPreventsLoginFalseConfig.maxSessions = 1
+        this.spring.register(SessionManagementSpecTests.ConcurrentSessionsMaxSessionPreventsLoginFalseConfig::class.java)
+            .autowire()
+
+        val data: MultiValueMap<String, String> = LinkedMultiValueMap()
+        data.add("username", "user")
+        data.add("password", "password")
+
+        val firstLoginSessionCookie = loginReturningCookie(data)
+        val secondLoginSessionCookie = loginReturningCookie(data)
+
+        // first login should not be valid
+        this.client.get()
+            .uri("/")
+            .cookie(firstLoginSessionCookie!!.name, firstLoginSessionCookie.value)
+            .exchange()
+            .expectStatus()
+            .isFound()
+            .expectHeader()
+            .location("/login")
+
+        // second login should be valid
+        this.client.get()
+            .uri("/")
+            .cookie(secondLoginSessionCookie!!.name, secondLoginSessionCookie.value)
+            .exchange()
+            .expectStatus()
+            .isOk()
+    }
+
+    @Test
+    fun `login when max sessions does not prevent login then least recently used session is invalidated`() {
+        ConcurrentSessionsMaxSessionPreventsLoginFalseConfig.maxSessions = 2
+        this.spring.register(ConcurrentSessionsMaxSessionPreventsLoginFalseConfig::class.java).autowire()
+        val data: MultiValueMap<String, String> = LinkedMultiValueMap()
+        data.add("username", "user")
+        data.add("password", "password")
+        val firstLoginSessionCookie = loginReturningCookie(data)
+        val secondLoginSessionCookie = loginReturningCookie(data)
+
+        // update last access time for first request
+        this.client.get()
+            .uri("/")
+            .cookie(firstLoginSessionCookie!!.name, firstLoginSessionCookie.value)
+            .exchange()
+            .expectStatus()
+            .isOk()
+        val thirdLoginSessionCookie = loginReturningCookie(data)
+
+        // second login should be invalid, it is the least recently used session
+        this.client.get()
+            .uri("/")
+            .cookie(secondLoginSessionCookie!!.name, secondLoginSessionCookie.value)
+            .exchange()
+            .expectStatus()
+            .isFound()
+            .expectHeader()
+            .location("/login")
+
+        // first login should be valid
+        this.client.get()
+            .uri("/")
+            .cookie(firstLoginSessionCookie.name, firstLoginSessionCookie.value)
+            .exchange()
+            .expectStatus()
+            .isOk()
+
+        // third login should be valid
+        this.client.get()
+            .uri("/")
+            .cookie(thirdLoginSessionCookie!!.name, thirdLoginSessionCookie.value)
+            .exchange()
+            .expectStatus()
+            .isOk()
+    }
+
+    private fun loginReturningCookie(data: MultiValueMap<String, String>): ResponseCookie? {
+        return login(data).expectCookie()
+            .exists("SESSION")
+            .returnResult(Void::class.java)
+            .responseCookies
+            .getFirst("SESSION")
+    }
+
+    private fun login(data: MultiValueMap<String, String>): WebTestClient.ResponseSpec {
+        return client.mutateWith(SecurityMockServerConfigurers.csrf())
+            .post()
+            .uri("/login")
+            .contentType(MediaType.MULTIPART_FORM_DATA)
+            .body(BodyInserters.fromFormData(data))
+            .exchange()
+            .expectStatus()
+            .is3xxRedirection()
+            .expectHeader()
+            .location("/")
+    }
+
+    @Configuration
+    @EnableWebFlux
+    @EnableWebFluxSecurity
+    @Import(Config::class)
+    open class ConcurrentSessionsMaxSessionPreventsLoginFalseConfig {
+
+        companion object {
+            var maxSessions = 1
+        }
+
+        @Bean
+        open fun springSecurity(http: ServerHttpSecurity, webSessionManager: DefaultWebSessionManager): SecurityWebFilterChain {
+            return http {
+                authorizeExchange {
+                    authorize(anyExchange, authenticated)
+                }
+                formLogin { }
+                sessionManagement {
+                    sessionConcurrency {
+                        maximumSessions = SessionLimit.of(maxSessions)
+                        maximumSessionsExceededHandler = InvalidateLeastUsedServerMaximumSessionsExceededHandler(webSessionManager.sessionStore)
+                    }
+                }
+            }
+        }
+
+    }
+
+    @Configuration
+    @EnableWebFlux
+    @EnableWebFluxSecurity
+    @Import(Config::class)
+    open class ConcurrentSessionsMaxSessionPreventsLoginTrueConfig {
+
+        @Bean
+        open fun springSecurity(http: ServerHttpSecurity): SecurityWebFilterChain {
+            return http {
+                authorizeExchange {
+                    authorize(anyExchange, authenticated)
+                }
+                formLogin { }
+                sessionManagement {
+                    sessionConcurrency {
+                        maximumSessions = SessionLimit.of(1)
+                        maximumSessionsExceededHandler =
+                            PreventLoginServerMaximumSessionsExceededHandler()
+                    }
+                }
+            }
+        }
+
+    }
+
+    @Configuration
+    @Import(
+        ReactiveAuthenticationTestConfiguration::class,
+        DefaultController::class
+    )
+    open class Config {
+
+        @Bean(WebHttpHandlerBuilder.WEB_SESSION_MANAGER_BEAN_NAME)
+        open fun webSessionManager(): DefaultWebSessionManager {
+            return DefaultWebSessionManager()
+        }
+
+        @Bean
+        open fun reactiveSessionRegistry(): ReactiveSessionRegistry {
+            return InMemoryReactiveSessionRegistry()
+        }
+
+    }
+
+    @RestController
+    open class DefaultController {
+
+        @GetMapping("/")
+        fun index(): String {
+            return "ok"
+        }
+
+    }
+
+
+}

config/src/test/resources/org/springframework/security/config/http/OAuth2AuthorizedClientManagerRegistrarTests-clients.xml

@@ -53,4 +53,7 @@
 	<b:bean class="org.springframework.security.config.http.OAuth2AuthorizedClientManagerRegistrarTests"
 			factory-method="jwtBearerAccessTokenResponseClient"/>
 
+	<b:bean class="org.springframework.security.config.http.OAuth2AuthorizedClientManagerRegistrarTests"
+			factory-method="tokenExchangeAccessTokenResponseClient"/>
+
 </b:beans>

config/src/test/resources/org/springframework/security/config/http/OAuth2AuthorizedClientManagerRegistrarTests-providers.xml

@@ -42,18 +42,21 @@
 			factory-method="authorizedClientManagerConsumer"/>
 
 	<b:bean class="org.springframework.security.config.http.OAuth2AuthorizedClientManagerRegistrarTests"
-			factory-method="authorizationCodeAuthorizedClientProvider"/>
+			factory-method="authorizationCode"/>
 
 	<b:bean class="org.springframework.security.config.http.OAuth2AuthorizedClientManagerRegistrarTests"
-			factory-method="refreshTokenAuthorizedClientProvider"/>
+			factory-method="refreshToken"/>
 
 	<b:bean class="org.springframework.security.config.http.OAuth2AuthorizedClientManagerRegistrarTests"
-			factory-method="clientCredentialsAuthorizedClientProvider"/>
+			factory-method="clientCredentials"/>
 
 	<b:bean class="org.springframework.security.config.http.OAuth2AuthorizedClientManagerRegistrarTests"
-			factory-method="passwordAuthorizedClientProvider"/>
+			factory-method="password"/>
 
 	<b:bean class="org.springframework.security.config.http.OAuth2AuthorizedClientManagerRegistrarTests"
-			factory-method="jwtBearerAuthorizedClientProvider"/>
+			factory-method="jwtBearer"/>
+
+	<b:bean class="org.springframework.security.config.http.OAuth2AuthorizedClientManagerRegistrarTests"
+			factory-method="tokenExchange"/>
 
 </b:beans>

config/src/test/resources/org/springframework/security/config/method-security.xml

@@ -6,7 +6,7 @@
 	xmlns:tx="http://www.springframework.org/schema/tx"
 	xsi:schemaLocation="http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans-3.0.xsd
 		http://www.springframework.org/schema/tx https://www.springframework.org/schema/tx/spring-tx.xsd
-		http://www.springframework.org/schema/security org/springframework/security/config/spring-security-6.2.xsd">
+		http://www.springframework.org/schema/security org/springframework/security/config/spring-security-6.3.xsd">
 
 	<tx:annotation-driven />
 

config/src/test/resources/org/springframework/security/config/saml2/RelyingPartyRegistrationsBeanDefinitionParserTests-MultiRegistration.xml

@@ -23,20 +23,20 @@
 			https://www.springframework.org/schema/security/spring-security.xsd
 			http://www.springframework.org/schema/beans
 			https://www.springframework.org/schema/beans/spring-beans.xsd">
-  
-  <relying-party-registrations>
+
+  <relying-party-registrations id="registrations">
     <relying-party-registration registration-id="one"
                                 entity-id="{baseUrl}/saml2/service-provider-metadata/{registrationId}"
                                 assertion-consumer-service-location="{baseUrl}/login/saml2/sso/{registrationId}"
                                 assertion-consumer-service-binding="REDIRECT"
                                 asserting-party-id="google"/>
-    
+
     <relying-party-registration registration-id="two"
                                 entity-id="{baseUrl}/saml2/service-provider-metadata/{registrationId}"
                                 assertion-consumer-service-location="{baseUrl}/login/saml2/sso/{registrationId}"
                                 assertion-consumer-service-binding="POST"
                                 asserting-party-id="simple-saml"/>
-    
+
     <asserting-party asserting-party-id="google" entity-id="https://accounts.google.com/o/saml2/idp/entity-id"
                      want-authn-requests-signed="true"
                      single-sign-on-service-location="https://accounts.google.com/o/saml2/idp/sso-url"
@@ -48,7 +48,7 @@
           certificate-location="classpath:org/springframework/security/config/saml2/idp-certificate.crt"
           private-key-location="classpath:org/springframework/security/config/saml2/rp-private.key"/>
     </asserting-party>
-    
+
     <asserting-party asserting-party-id="simple-saml"
                      entity-id="https://simplesaml-for-spring-saml.apps.pcfone.io/saml2/idp/metadata.php"
                      single-sign-on-service-location="https://simplesaml-for-spring-saml.apps.pcfone.io/saml2/idp/SSOService.php"

config/src/test/resources/org/springframework/security/config/saml2/RelyingPartyRegistrationsBeanDefinitionParserTests-RelayStateResolver.xml

@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright 2002-2021 the original author or authors.
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      https://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<b:beans xmlns:b="http://www.springframework.org/schema/beans"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xmlns="http://www.springframework.org/schema/security"
+         xsi:schemaLocation="
+			http://www.springframework.org/schema/security
+			https://www.springframework.org/schema/security/spring-security.xsd
+			http://www.springframework.org/schema/beans
+			https://www.springframework.org/schema/beans/spring-beans.xsd">
+
+  <relying-party-registrations id="registrations">
+    <relying-party-registration registration-id="one"
+                                entity-id="{baseUrl}/saml2/service-provider-metadata/{registrationId}"
+                                assertion-consumer-service-location="{baseUrl}/login/saml2/sso/{registrationId}"
+                                assertion-consumer-service-binding="REDIRECT"
+                                asserting-party-id="google">
+      <signing-credential
+          certificate-location="classpath:org/springframework/security/config/saml2/rp-certificate.crt"
+          private-key-location="classpath:org/springframework/security/config/saml2/rp-private.key"/>
+	</relying-party-registration>
+    <asserting-party asserting-party-id="google" entity-id="https://accounts.google.com/o/saml2/idp/entity-id"
+                     want-authn-requests-signed="true"
+                     single-sign-on-service-location="https://accounts.google.com/o/saml2/idp/sso-url"
+                     single-sign-on-service-binding="POST">
+      <verification-credential
+          certificate-location="classpath:org/springframework/security/config/saml2/idp-certificate.crt"
+          private-key-location="classpath:org/springframework/security/config/saml2/rp-private.key"/>
+      <encryption-credential
+          certificate-location="classpath:org/springframework/security/config/saml2/idp-certificate.crt"
+          private-key-location="classpath:org/springframework/security/config/saml2/rp-private.key"/>
+    </asserting-party>
+  </relying-party-registrations>
+
+  <b:bean class="org.springframework.security.saml2.provider.service.web.authentication.OpenSaml4AuthenticationRequestResolver">
+    <b:constructor-arg ref="registrations"/>
+    <b:property name="relayStateResolver" ref="relayStateResolver"/>
+  </b:bean>
+
+  <b:bean name="relayStateResolver" class="org.mockito.Mockito" factory-method="mock">
+    <b:constructor-arg value="org.springframework.core.convert.converter.Converter" type="java.lang.Class"/>
+  </b:bean>
+</b:beans>

config/src/test/resources/org/springframework/security/config/saml2/RelyingPartyRegistrationsBeanDefinitionParserTests-SingleRegistration.xml

@@ -23,14 +23,14 @@
 			https://www.springframework.org/schema/security/spring-security.xsd
 			http://www.springframework.org/schema/beans
 			https://www.springframework.org/schema/beans/spring-beans.xsd">
-  
-  <relying-party-registrations>
+
+  <relying-party-registrations id="registrations">
     <relying-party-registration registration-id="one"
                                 entity-id="{baseUrl}/saml2/service-provider-metadata/{registrationId}"
                                 assertion-consumer-service-location="{baseUrl}/login/saml2/sso/{registrationId}"
                                 assertion-consumer-service-binding="REDIRECT"
                                 asserting-party-id="google"/>
-    
+
     <asserting-party asserting-party-id="google" entity-id="https://accounts.google.com/o/saml2/idp/entity-id"
                      want-authn-requests-signed="true"
                      single-sign-on-service-location="https://accounts.google.com/o/saml2/idp/sso-url"