AWS AWSCloudFormation documentation change

Service: AWSCloudFormation · 2026-03-07 · Documentation low

File: AWSCloudFormation/latest/TemplateReference/aws-resource-appconfig-deployment.md

Summary

Replaced KMS key pattern validation with length constraints (1-2048 characters).

Security assessment

Similar to the AppConfig ConfigurationProfile change, this modifies validation rules without clear evidence of addressing a security vulnerability.

Diff

diff --git a/AWSCloudFormation/latest/TemplateReference/aws-resource-appconfig-deployment.md b/AWSCloudFormation/latest/TemplateReference/aws-resource-appconfig-deployment.md
index b5b1d3c29..11c4d4a48 100644
--- a//AWSCloudFormation/latest/TemplateReference/aws-resource-appconfig-deployment.md
+++ b//AWSCloudFormation/latest/TemplateReference/aws-resource-appconfig-deployment.md
@@ -175 +175,3 @@ _Required_ : No
- _Pattern_ : `^[\da-f]{8}-[\da-f]{4}-[\da-f]{4}-[\da-f]{4}-[\da-f]{12}|alias/[a-zA-Z0-9/_-]{1,250}|arn:aws[a-zA-Z-]*:kms:[a-z]{2}(-gov|-iso(b?))?-[a-z]+-\d{1}:\d{12}:(key/[0-9a-f-]{36}|alias/[a-zA-Z0-9/_-]{1,250})$`
+ _Minimum_ : `1`
+
+ _Maximum_ : `2048`