diff --git a/apps/showcase/src/main/resources/struts.xml b/apps/showcase/src/main/resources/struts.xml
index f73963de9..150b8e36d 100644
--- a/apps/showcase/src/main/resources/struts.xml
+++ b/apps/showcase/src/main/resources/struts.xml
@@ -33,6 +33,7 @@
     <constant name="struts.configuration.xml.reload" value="false" />
     <constant name="struts.custom.i18n.resources" value="globalMessages" />
     <constant name="struts.action.extension" value="action,," />
+    <constant name="struts.allowlist.enable" value="true" />
 
     <constant name="struts.convention.package.locators.basePackage" value="org.apache.struts2.showcase" />
     <constant name="struts.convention.result.path" value="/WEB-INF" />
diff --git a/core/src/main/java/com/opensymphony/xwork2/ognl/OgnlUtil.java b/core/src/main/java/com/opensymphony/xwork2/ognl/OgnlUtil.java
index 62e635fbc..331ddcc02 100644
--- a/core/src/main/java/com/opensymphony/xwork2/ognl/OgnlUtil.java
+++ b/core/src/main/java/com/opensymphony/xwork2/ognl/OgnlUtil.java
@@ -856,6 +856,7 @@ public class OgnlUtil {
         }
 
         SecurityMemberAccess memberAccess = container.getInstance(SecurityMemberAccess.class);
+        memberAccess.useEnforceAllowlistEnabled(Boolean.FALSE.toString());
 
         if (devMode) {
             if (!warnReported.get()) {