Fix Semgrep SAST findings: Dependabot cooldown and pinned action#3
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- Add cooldown (default-days: 7) to the github-actions Dependabot ecosystem entry so newly published packages wait before being proposed (CWE-829 / A08:2021). - Pin dependabot/fetch-metadata to its full-length commit SHA instead of the mutable @v2 tag to prevent supply-chain tag repointing (CWE-1357/CWE-353 / A08:2021). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Summary
Remediates the 2 Semgrep SAST findings reported for this repo. No Critical/High dependency findings were present.
SAST fixes
dependabot-missing-cooldown(High) —.github/dependabot.yml:3Added a
cooldownblock withdefault-days: 7to thegithub-actionsecosystem entry, so newly published packages wait 7 days before Dependabot proposes them. Mitigates malicious/unstable fresh releases (CWE-829, A08:2021 — Software and Data Integrity Failures).github-actions-mutable-action-tag(High) —.github/workflows/dependabot-auto-merge.yml:14Pinned
dependabot/fetch-metadatafrom the mutable@v2tag to the full-length commit SHA21025c705c08248db411dc16f3619e6b5f9ea21a(still v2), with a# v2comment for readability. Prevents silent tag repointing / supply-chain attacks (CWE-1357, CWE-353, A08:2021).Dependency findings
None (no Critical/High dependency findings for this repo).
Verification
python3YAML parse of both edited files: OK (both parse cleanly).git diffreviewed: 3 insertions, 1 deletion, scoped to the two flagged files.🤖 Generated with Claude Code