AWS AWSCloudFormation documentation change

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

File: AWSCloudFormation/latest/TemplateReference/aws-resource-mediaconnect-flowvpcinterface.md

Summary

Added ARN pattern validation for FlowArn and RoleArn

Security assessment

Improves resource validation patterns but doesn't address specific vulnerabilities

Diff

diff --git a/AWSCloudFormation/latest/TemplateReference/aws-resource-mediaconnect-flowvpcinterface.md b/AWSCloudFormation/latest/TemplateReference/aws-resource-mediaconnect-flowvpcinterface.md
index a7716cb2e..3907df861 100644
--- a//AWSCloudFormation/latest/TemplateReference/aws-resource-mediaconnect-flowvpcinterface.md
+++ b//AWSCloudFormation/latest/TemplateReference/aws-resource-mediaconnect-flowvpcinterface.md
@@ -74,0 +75,2 @@ _Required_ : Yes
+ _Pattern_ : `^arn:(aws[a-zA-Z-]*):mediaconnect:[a-z0-9-]+:[0-9]{12}:flow:[a-zA-Z0-9-]+:[a-zA-Z0-9_-]+$`
+
@@ -96,0 +99,2 @@ _Required_ : Yes
+ _Pattern_ : `^arn:(aws[a-zA-Z-]*):iam::[0-9]{12}:role/[a-zA-Z0-9_+=,.@-]+$`
+