aws/serverless-application-model

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The AWS Serverless Application Model (AWS SAM) transform is a AWS CloudFormation macro that transforms SAM templates into CloudFormation templates.

Stars: 9.6k
Forks: 2.5k
Open beginner issues: 0
Indexed issues: 95
Avg merge: 1d 11h
Merged PRs (30d): 7

Dominant language: Python
License: Apache-2.0
Last GitHub push: Sep 11, 2026
Latest indexed: Sep 14, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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95 open issues indexed

HttpApi: explicit AuthorizationScopes: [] is silently overridden by the authorizer's default scopes Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

aws/serverless-application-model#3979 · Opened Aug 14, 2026
Implicit API: local PropagateTags: false is silently overridden by global PropagateTags: true Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

aws/serverless-application-model#3977 · Opened Aug 14, 2026
transform() mutates the caller's template; transforming the same template twice fails Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

aws/serverless-application-model#3973 · Opened Aug 13, 2026
SAM transform silently drops unrecognized CodeUri/ContentUri sub-properties despite schema declaring additionalProperties: false Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

aws/serverless-application-model#3970 · Opened Aug 5, 2026
Feature Request: Add EncryptionConfiguration for AWS::Serverless::StateMachine Open

contributors/welcome type/feature

Difficulty 4/5 3-5 days Newbie friendliness 55/100

aws/serverless-application-model#3925 · 5 comments · Opened May 13, 2026
[Feature Request] Add nodejs26.x runtime support to SAM specification Open

type/feature

Difficulty 3/5 1-2 days Newbie friendliness 68/100

aws/serverless-application-model#3922 · 1 comment · Opened May 6, 2026
Lambda with AutoPublishAlias and AutoPublishAliasAllProperties does not create a new version when the referenced Parameter value changes Open

stage/needs-triage

Difficulty 3/5 1-2 days Newbie friendliness 52/100

aws/serverless-application-model#3820 · 3 comments · 2 reactions · Opened Sep 30, 2025
Lamba version not created despite using PublishLambdaVersion Open

stage/needs-triage

Difficulty 4/5 3-5 days Newbie friendliness 45/100

aws/serverless-application-model#3802 · 5 comments · Opened Aug 16, 2025
Enabling `BinaryMediaTypes` on `AWS::Serverless::Api` Base64-encodes request payload body Open

stage/needs-triage

Difficulty 4/5 3-5 days Newbie friendliness 42/100

aws/serverless-application-model#3794 · 3 comments · Opened Jul 22, 2025
Feature: Support for `RetentionInDays` and `Retain` in `LoggingConfig` for `AWS::Serverless::Function` Open

contributors/welcome stage/needs-feedback type/feature

aws/serverless-application-model#3791 · 9 comments · 2 reactions · 1 assignee · Opened Jul 3, 2025
Update deprecated Athena APIs in AthenaQueryPolicy template Open

stage/accepted

Difficulty 2/5 1-3 hours Newbie friendliness 52/100

aws/serverless-application-model#3785 · Opened Jun 23, 2025
Automatic Inclusion of ADOT Layers When Tracing is Enabled in AWS::Serverless::Function Open

area/resource/function contributors/welcome priority/4-nice-to-have stage/needs-feedback type/feature

Difficulty 5/5 Over a week Newbie friendliness 45/100

aws/serverless-application-model#3777 · 1 comment · Opened Jun 10, 2025
AWS::Serverless::Api does not correctly support multiple CORS Origins Open

stage/needs-triage

Difficulty 5/5 Over a week Newbie friendliness 35/100

aws/serverless-application-model#3769 · 6 comments · 4 reactions · Opened May 13, 2025
Have AWS SAM call an UPSERT rather than CREATE when Attaching a domain to API Gateway Open

need-customer-response stage/needs-triage

Difficulty 3/5 1-2 days Newbie friendliness 32/100

aws/serverless-application-model#3741 · 1 comment · Opened Mar 28, 2025
Invalid SQS permissions Open

Difficulty 1/5 Under an hour Newbie friendliness 55/100

aws/serverless-application-model#3734 · 1 comment · Opened Mar 19, 2025
SAM Policy templates have outdated policies and they fail with cfn-lint Open

stage/needs-triage

Difficulty 3/5 1-2 days Newbie friendliness 45/100

aws/serverless-application-model#3731 · 2 comments · Opened Mar 14, 2025
Cognito UserPools resource is outdated Open

contributors/good-first-issue contributors/welcome stage/needs-triage type/bug

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

aws/serverless-application-model#3726 · 2 comments · Opened Feb 27, 2025
StateMachine-UseAliasAsEventTarget property creates IAM role with incorrect permissions Open

stage/needs-investigation stage/needs-triage

Difficulty 3/5 1-2 days Newbie friendliness 42/100

aws/serverless-application-model#3720 · 1 comment · Opened Feb 15, 2025
Feature: IncludeNestedStacks switch for "sam deploy" command Open

stage/needs-investigation

Difficulty 4/5 3-5 days Newbie friendliness 42/100

aws/serverless-application-model#3718 · 2 comments · 1 reaction · Opened Feb 12, 2025
Message: 'User: anonymous is not authorized to perform: es:ESHttpPost because no resource-based policy allows the es:ESHttpPost action' Open

need-customer-response

Difficulty 4/5 3-5 days Newbie friendliness 20/100

aws/serverless-application-model#3704 · 2 comments · Opened Jan 9, 2025
ApiGatewayDeployment.make_auto_deployable does not account for API Stage Variables Open

stage/bug-repro type/bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

aws/serverless-application-model#3703 · 2 comments · Opened Jan 9, 2025
Allow Region to be specified in DynamoDBCrudPolicy Open

type/feature

Difficulty 3/5 1-2 days Newbie friendliness 45/100

aws/serverless-application-model#3702 · 1 comment · Opened Jan 8, 2025
Add Support for Parameter Mapping for HttpApi Event Source Open

stage/needs-investigation type/feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

aws/serverless-application-model#3699 · 3 comments · 1 reaction · Opened Dec 27, 2024
How can I attach a resolver to a field in Appsync with SAM? Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

aws/serverless-application-model#3685 · 2 comments · Opened Nov 18, 2024
Support for AWS::CloudFront::OriginAccessControl Open

stage/needs-investigation type/feature

Difficulty 3/5 1-2 days Newbie friendliness 45/100

aws/serverless-application-model#3681 · 1 comment · 1 reaction · Opened Nov 13, 2024
1.92.0: pytest fails in 6 units Open

contributors/good-first-issue contributors/welcome

Difficulty 3/5 1-2 days Newbie friendliness 25/100

aws/serverless-application-model#3677 · 2 comments · Opened Nov 9, 2024
Library usage and Default values Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

aws/serverless-application-model#3645 · 1 comment · Opened Aug 30, 2024
Unsupported intrinsic functions Open

area/intrinsics meta

Difficulty 5/5 Over a week Newbie friendliness 25/100

aws/serverless-application-model#2533 · 27 comments · 15 reactions · Opened Oct 11, 2022
HttpApi circular dependency between RouteSettings and Route Open

maintainer/need-followup type/bug type/docs

Difficulty 4/5 3-5 days Newbie friendliness 42/100

aws/serverless-application-model#2479 · 7 comments · Opened Aug 26, 2022
Add Dynamo Global table support Open

area/resource/simple-table area/resources stage/pm-review type/feature type/new-property

Difficulty 5/5 Over a week Newbie friendliness 25/100

aws/serverless-application-model#2375 · 3 comments · Opened Apr 7, 2022
Create apigateway permissions from openapi definitions Open

area/api-gateway maintainer/need-followup stage/pm-review type/feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

aws/serverless-application-model#2211 · 14 comments · 6 reactions · Opened Nov 5, 2021
Models Validation doesn't check the implicitly created AWS::Serverless::Api resource Open

type/feature

Difficulty 4/5 3-5 days Newbie friendliness 45/100

aws/serverless-application-model#2209 · 5 comments · 1 reaction · Opened Nov 5, 2021
Sharing a single API dns name across varying base path names that represent API extensions Open

area/api-gateway type/feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

aws/serverless-application-model#2175 · 6 comments · Opened Oct 5, 2021
ComprehendFullAccessPolicy Is Needed Open

area/policy-templates type/feature

Difficulty 4/5 3-5 days Newbie friendliness 30/100

aws/serverless-application-model#2121 · 3 comments · Opened Aug 16, 2021
Multi domains Open

area/resource/http-api maintainer/need-response stage/pm-review type/feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

aws/serverless-application-model#2012 · Opened May 6, 2021
Feature Request: Generate Policy to Decrypt Environment Variables Open

maintainer/need-response type/feature

Difficulty 4/5 3-5 days Newbie friendliness 32/100

aws/serverless-application-model#1989 · Opened Apr 13, 2021
HTTP API duplicate integration Open

type/feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

aws/serverless-application-model#2720 · 2 comments · Opened Mar 17, 2021
Feature Request: Create "Encrypted" Variants of Some Policy Templates Open

area/policy-templates maintainer/need-response type/feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

aws/serverless-application-model#1959 · Opened Mar 10, 2021
Add "RedrivePolicy" setting the "SqsSubscription" property of an "SNS" event source mapping for an "AWS::Serverless::Function" resource Open

area/event-source area/sns maintainer/need-response type/feature type/new-property

Difficulty 4/5 3-5 days Newbie friendliness 32/100

aws/serverless-application-model#1933 · Opened Feb 14, 2021
Unable to map httpapi to exisiting customdomain Open

type/feature

Difficulty 4/5 3-5 days Newbie friendliness 25/100

aws/serverless-application-model#2208 · 6 comments · Opened Feb 5, 2021
Unable to set authorizer on AWS::Serverless::HttpApi on $default path Open

type/feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

aws/serverless-application-model#2481 · 19 comments · 1 reaction · Opened Jan 9, 2021
Step Function Execution Role is created although an existing Role is specified in the template Open

area/step-function maintainer/need-followup stage/pm-review type/feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

aws/serverless-application-model#1873 · 8 comments · 4 reactions · Opened Dec 23, 2020
Cannot set HttpApi Event Type on AWS::Serverless::StateMachine Open

area/step-function area/step-function/event-source maintainer/need-response stage/pm-review type/feature type/step-function/new-event-source

Difficulty 4/5 3-5 days Newbie friendliness 35/100

aws/serverless-application-model#1851 · 6 comments · 6 reactions · Opened Dec 8, 2020
Lambda Custom integration support Open

maintainer/need-response stage/pm-review type/feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

aws/serverless-application-model#1841 · 2 reactions · Opened Nov 30, 2020
Support existing UserPools Open

maintainer/need-response type/feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

aws/serverless-application-model#1821 · 2 comments · 1 reaction · Opened Nov 20, 2020
Duplicating paths in SAM EventSource and SAM API's DefinitionBody Open

area/event-source area/resource/api area/resource/function maintainer/need-followup type/feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

aws/serverless-application-model#1806 · 3 comments · 4 reactions · Opened Nov 18, 2020
KMSEncryptPolicy cannot be used to encrypt Open

area/example-needed area/policy-templates maintainer/need-response

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

aws/serverless-application-model#1796 · 4 comments · 2 reactions · Opened Nov 13, 2020
Allow previously created Authorizer for AWS::Serverless::HttpApi Open

maintainer/need-response stage/pm-review type/feature

aws/serverless-application-model#1785 · 1 assignee · Opened Nov 8, 2020
EcsRunTaskPolicy should take ECS ARN, not task definition (family:revision) Open

area/policy-templates maintainer/need-response type/feature

Difficulty 2/5 Half a day Newbie friendliness 35/100

aws/serverless-application-model#1740 · 1 comment · 5 reactions · Opened Oct 12, 2020
AthenaQueryPolicy not useful without Glue permissions Open

area/policy-templates contributors/good-first-issue contributors/welcome

Difficulty 5/5 Over a week Newbie friendliness 25/100

aws/serverless-application-model#1736 · 1 comment · 1 reaction · Opened Oct 7, 2020

aws/serverless-application-model

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