CVE-2025-30066

Description

tj-actions/changed-files GitHub Action contains an embedded malicious code vulnerability that allows a remote attacker to discover secrets by reading Github Actions Workflow Logs. These secrets may include, but are not limited to, valid AWS access keys, GitHub personal access tokens (PATs), npm tokens, and private RSA keys.

References

• https://www.cisa.gov/known-exploited-vulnerabilities-catalog
• https://nvd.nist.gov/vuln/detail/CVE-2025-30066
• https://www.cisa.gov/news-events/alerts/2025/03/18/supply-chain-compromise-third-party-tj-actionschanged-files-cve-2025-30066-and-reviewdogaction
• https://github.com/tj-actions/changed-files/blob/45fb12d7a8bedb4da42342e52fe054c6c2c3fd73/README.md?plain=1#L20-L28
• https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-6565
• https://github.com/github/docs/blob/962a1c8dccb8c0f66548b324e5b921b5e4fbc3d6/content/actions/security-for-github-actions/security-guides/security-hardening-for-github-actions.md?plain=1#L191-L193
• https://github.com/tj-actions/changed-files/issues/2463
• https://www.stepsecurity.io/blog/harden-runner-detection-tj-actions-changed-files-action-is-compromised
• https://semgrep.dev/blog/2025/popular-github-action-tj-actionschanged-files-is-compromised/
• https://news.ycombinator.com/item?id=43368870
• https://web.archive.org/web/20250315060250/https://github.com/tj-actions/changed-files/issues/2463
• https://news.ycombinator.com/item?id=43367987
• https://github.com/rackerlabs/genestack/pull/903
• https://github.com/chains-project/maven-lockfile/pull/1111
• https://sysdig.com/blog/detecting-and-mitigating-the-tj-actions-changed-files-supply-chain-attack-cve-2025-30066/
• https://github.com/espressif/arduino-esp32/issues/11127
• https://github.com/modal-labs/modal-examples/issues/1100
• https://github.com/tj-actions/changed-files/issues/2464
• https://www.wiz.io/blog/github-action-tj-actions-changed-files-supply-chain-attack-cve-2025-30066
• https://www.stream.security/post/github-action-supply-chain-attack-exposes-secrets-what-you-need-to-know-and-how-to-respond
• https://www.sweet.security/blog/cve-2025-30066-tj-actions-supply-chain-attack
• https://github.com/tj-actions/changed-files/issues/2477
• https://blog.gitguardian.com/compromised-tj-actions/