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AWS AWSCloudFormation documentation change

Service: AWSCloudFormation · 2025-07-25 · Documentation low

File: AWSCloudFormation/latest/TemplateReference/aws-resource-ec2-trafficmirrorsession.md

Summary

Added OwnerId property and changed update requirement for TrafficMirrorTargetId

Security assessment

While OwnerId could help with access control auditing, the change appears to be a routine property addition without addressing specific security vulnerabilities or describing security features.

Diff

diff --git a/AWSCloudFormation/latest/TemplateReference/aws-resource-ec2-trafficmirrorsession.md b/AWSCloudFormation/latest/TemplateReference/aws-resource-ec2-trafficmirrorsession.md
index 4feca16c1..bc1f89b5a 100644
--- a//AWSCloudFormation/latest/TemplateReference/aws-resource-ec2-trafficmirrorsession.md
+++ b//AWSCloudFormation/latest/TemplateReference/aws-resource-ec2-trafficmirrorsession.md
@@ -28,0 +29 @@ To declare this entity in your AWS CloudFormation template, use the following sy
+          "OwnerId" : String,
@@ -45,0 +47 @@ To declare this entity in your AWS CloudFormation template, use the following sy
+      OwnerId: String
@@ -77 +79,12 @@ _Required_ : Yes
- _Update requires_ : [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)
+ _Update requires_ : [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)
+
+`OwnerId`
+    
+
+The ID of the account that owns the Traffic Mirror session.
+
+_Required_ : No
+
+ _Type_ : String
+
+ _Update requires_ : [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)