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Informational 18 Bitcoin

Pin actions/checkout + actions/cache to a full URL and commit hash

Public commit record

What the developer wrote

Authored by Matt Corallo

73/100 · Adequate
Pin actions/checkout + actions/cache to a full URL and commit hash

Reference the checkout action by its explicit data.forgejo.org URL
pinned to a commit hash (v6) rather than the bare `actions/checkout@v4`
short form.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
✓ Specific, descriptive subject✓ Names a concrete action or component✓ Provides detailed explanatory context
The short version

What changed, and why it matters

This commit hardens the project's automated build and test scripts by replacing loose version tags like 'actions/checkout@v4' with exact commit hashes served from a specific domain. This prevents a compromised or renamed third-party action from silently injecting malicious code into the project's CI runs. It is a defensive security improvement, not a fix for an active bug or breach.

Recommended action

No immediate action required. Verify the pinned commit hashes match the intended upstream action releases and that data.forgejo.org is a trusted mirror. Consider applying the same pinning to any remaining unpinned actions and enabling automated dependency update tooling for pinned action SHAs.

Security signals we found

01

CI/CD supply-chain hardening

02

Action reference pinning to immutable commit hash

03

Use of explicit action mirror URL

04

No functional code or secret-handling changes

Risk score

Why this scored 18/100

Our methodology →
Potential impact 2/30
Exploitability 1/25
Stealth signal 1/15
Affected reach 2/15
Confidence 8/10
Evidence quality 4/5
Human-validated context

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