All issues

"when 'Ref' is resolved" to a parameter
#3378 · kddejong opened on Jun 22, 2024
9
v1 - Using Resource Provider Schemas
#2606 · kddejong opened on Mar 2, 2023
17
CloudFormation Resource Specification lags recent releases
#1219 · FireballDWF opened on Nov 23, 2019
2

`AWS::CustomerProfiles::Integration` ScheduleExpression accepts values the service rejects at create time

#4653

· hakin2 opened

on Aug 24, 2026

Property ProvisionedThroughput cannot be empty

#4651

· paul-uz opened

on Aug 21, 2026

E1040 false positive: AWS::Serverless::Function GetAtt Arn rejected for AWS::Lambda::Function.Arn destinations

#4649

· jnplthr opened

on Aug 20, 2026

Fn::Select not rejected as a bare value in object-typed lifecycle policies (CreationPolicy/UpdatePolicy)

#4645

· kddejong opened

on Aug 18, 2026

E3006 Resource type 'AWS::S3::Bucket' does not exist in 'us-east-1' - while using v1.55.1 in Win 11 with WSL (Ubuntu) - Issue still persists

#4638

· jeby-john opened

on Aug 14, 2026

Expose YAML to JSON template conversion via cfnlint.api (cfn-flip and rain are both archived)

#4634

· whoDoneItAgain opened

on Aug 13, 2026

W3694 SNS Subscription Endpoint should match Protocol

#4621

· ashu99883 opened

on Aug 10, 2026

maxLength (and other non-function validators) silently skipped for any string containing dynamic-reference-shaped text

#4603

· itadly-platform-agent opened

on Aug 5, 2026

Pre-commit hook failure due to lack of network access

#4579

· ConsoleCatzirl opened

on Jul 14, 2026

E3012 false positive when Fn::If guards a String-typed parameter used in an integer context

#4577

· hoganbr-amzn opened

on Jul 10, 2026

Feature Request: AWS::Lambda::Function - If `ZipFile` is used for the Lambda Code, the `Handler` needs to start with `index.*`

#4567

· r-heimann opened

on Jul 5, 2026

`AWS::Events::Rule` - Verify `Targets` is not `iam`

#4505

· r-heimann opened

on May 12, 2026