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AWS AWSCloudFormation documentation change

Service: AWSCloudFormation · 2025-11-22 · Documentation medium

File: AWSCloudFormation/latest/TemplateReference/aws-properties-elasticloadbalancingv2-listener-action.md

Summary

Added JWT validation action type and updated documentation for token validation

Security assessment

Introduces JWT validation as a new listener action type, enhancing authentication capabilities but not addressing a known security issue.

Diff

diff --git a/AWSCloudFormation/latest/TemplateReference/aws-properties-elasticloadbalancingv2-listener-action.md b/AWSCloudFormation/latest/TemplateReference/aws-properties-elasticloadbalancingv2-listener-action.md
index 08b3430a3..3d88ce6ba 100644
--- a//AWSCloudFormation/latest/TemplateReference/aws-properties-elasticloadbalancingv2-listener-action.md
+++ b//AWSCloudFormation/latest/TemplateReference/aws-properties-elasticloadbalancingv2-listener-action.md
@@ -102 +102 @@ _Required_ : No
-Property description not available.
+[HTTPS listeners] Information for validating JWT access tokens in client requests. Specify only when `Type` is `jwt-validation`.
@@ -156 +156 @@ _Required_ : Yes
- _Allowed values_ : `forward | authenticate-oidc | authenticate-cognito | redirect | fixed-response`
+ _Allowed values_ : `forward | authenticate-oidc | authenticate-cognito | redirect | fixed-response | jwt-validation`