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AWS AWSCloudFormation documentation change

Service: AWSCloudFormation · 2026-04-04 · Documentation low

File: AWSCloudFormation/latest/TemplateReference/aws-resource-sso-application.md

Summary

Updated ARN pattern validation for SSO Application resource properties to use a more flexible regex pattern supporting various AWS partitions.

Security assessment

This change updates ARN pattern validation to support multiple AWS partitions (aws, aws-us-gov, aws-cn, etc.) with a more flexible regex. This is a routine documentation update for compatibility with different AWS regions/partitions, not related to security issues or security features.

Diff

diff --git a/AWSCloudFormation/latest/TemplateReference/aws-resource-sso-application.md b/AWSCloudFormation/latest/TemplateReference/aws-resource-sso-application.md
index d57b6e8e1..f0d062d61 100644
--- a//AWSCloudFormation/latest/TemplateReference/aws-resource-sso-application.md
+++ b//AWSCloudFormation/latest/TemplateReference/aws-resource-sso-application.md
@@ -63 +63 @@ _Required_ : Yes
- _Pattern_ : `^arn:(aws|aws-us-gov|aws-cn|aws-iso|aws-iso-b):sso::aws:applicationProvider/[a-zA-Z0-9-/]+$`
+ _Pattern_ : `^arn:aws(-[a-z]{1,5}){0,3}:sso::aws:applicationProvider/[a-zA-Z0-9-/]+$`
@@ -95 +95 @@ _Required_ : Yes
- _Pattern_ : `^arn:(aws|aws-us-gov|aws-cn|aws-iso|aws-iso-b):sso:::instance/(sso)?ins-[a-zA-Z0-9-.]{16}$`
+ _Pattern_ : `^arn:aws(-[a-z]{1,5}){0,3}:sso:::instance/(sso)?ins-[a-zA-Z0-9-.]{16}$`