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GitHub Actions Security Auditor

Parse GitHub Actions YAML locally and flag broad permissions, mutable actions, expression injection, risky pull-request targets, self-hosted runner exposure and weak OIDC controls.

Static local workflow audit
The auditor does not contact GitHub or resolve reusable workflows. Findings are contextual review prompts, not proof of exploitation.

Up to 100 YAML files, 1 MB each and 10 MB total.

About GitHub Actions Security Auditor

Review workflow trust boundaries before automation runs. Parse GitHub Actions YAML locally and flag broad permissions, mutable actions, expression injection, risky pull-request targets, self-hosted runner exposure and weak OIDC controls. The core workflow is designed to run in your current browser.

Key capabilities

  • Parse multiple YAML workflows locally without executing expressions
  • Review workflow and job token permissions with least privilege in mind
  • Find untrusted event expressions used directly in shell scripts
  • Export portable JSON, CSV, Markdown and SARIF findings

Useful for

  • Review pull-request workflows and fork trust boundaries
  • Audit release jobs before granting write or identity-token permissions
  • Find actions pinned to mutable tags or branches

Frequently asked questions

Is GitHub Actions Security Auditor free to use online?

Yes. GitHub Actions Security Auditor opens in a modern browser and does not require desktop software installation.

What is GitHub Actions Security Auditor useful for?

Common use cases include Review pull-request workflows and fork trust boundaries; Audit release jobs before granting write or identity-token permissions.

Is my input or file uploaded?

The core processing workflow is designed to run locally in the browser. Key capabilities include Parse multiple YAML workflows locally without executing expressions, Review workflow and job token permissions with least privilege in mind, Find untrusted event expressions used directly in shell scripts; account, comments, and anonymous analytics may still create normal site requests.

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