feat(security): Enable block harden runner#47
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✅ Conflict Markers Resolved All conflict markers have been successfully resolved in this pull request. |
HugoPBrito
approved these changes
Mar 26, 2026
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Pull request overview
This PR tightens GitHub Actions runner egress controls by switching step-security/harden-runner from audit mode to block mode, and introducing per-workflow allowlists for outbound endpoints.
Changes:
- Set
egress-policy: blockforstep-security/harden-runneracross multiple workflows. - Add workflow-level
env.step-security-allowed-endpointsallowlists and pass them intoallowed-endpointsfor hardened jobs. - Standardize the hardening step name to
Harden Runner.
Reviewed changes
Copilot reviewed 5 out of 5 changed files in this pull request and generated 1 comment.
Show a summary per file
| File | Description |
|---|---|
| .github/workflows/zizmor.yml | Adds allowlisted endpoints and switches runner hardening to block mode for Zizmor jobs. |
| .github/workflows/pull-request.yml | Adds a broader allowlist for Python CI dependencies (PyPI/Safety/Codecov/etc.) and enables block mode. |
| .github/workflows/pr-conflict-checker.yml | Adds allowlist for GitHub/GitHub API and enables block mode for the conflict checker. |
| .github/workflows/find-secrets.yml | Adds allowlist for GHCR/container endpoints and enables block mode for TruffleHog. |
| .github/workflows/conventional-commit.yml | Switches runner hardening to block mode, but does not add an allowlist. |
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Description
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By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.