AWS AWSCloudFormation documentation change

Service: AWSCloudFormation · 2026-03-16 · Documentation medium

File: AWSCloudFormation/latest/TemplateReference/aws-properties-mediaconnect-flow-encryption.md

Summary

Added ARN validation patterns for RoleARN and SecretARN

Security assessment

Adds input validation patterns for security-sensitive ARNs but doesn't indicate a vulnerability fix

Diff

diff --git a/AWSCloudFormation/latest/TemplateReference/aws-properties-mediaconnect-flow-encryption.md b/AWSCloudFormation/latest/TemplateReference/aws-properties-mediaconnect-flow-encryption.md
index 916cbd77d..e288aee4c 100644
--- a//AWSCloudFormation/latest/TemplateReference/aws-properties-mediaconnect-flow-encryption.md
+++ b//AWSCloudFormation/latest/TemplateReference/aws-properties-mediaconnect-flow-encryption.md
@@ -125,0 +126,2 @@ _Required_ : Yes
+ _Pattern_ : `^arn:(aws[a-zA-Z-]*):iam::[0-9]{12}:role/[a-zA-Z0-9_+=,.@-]+$`
+
@@ -136,0 +139,2 @@ _Required_ : No
+ _Pattern_ : `^arn:(aws[a-zA-Z-]*):secretsmanager:[a-z0-9-]+:[0-9]{12}:secret:[a-zA-Z0-9/_+=.@-]+$`
+
@@ -156 +160 @@ To use the Amazon Web Services Documentation, Javascript must be enabled. Please
-BlackFrames
+EncodingConfig