CVE-2025-30066
high CISA KEVtj-actions/changed-files GitHub Action Embedded Malicious Code Vulnerability
Vendor / product: Tj-actions — changed-files GitHub Action
tj-actions changed-files before 46 allows remote attackers to discover secrets by reading actions logs. (The tags v1 through v45.0.7 were affected on 2025-03-14 and 2025-03-15 because they were modified by a threat actor to point at commit 0e58ed8, which contained malicious updateFeatures code.)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N Required action (CISA)
Apply mitigations as set forth in the CISA instructions linked below. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Affected products
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
References
- https://blog.gitguardian.com/compromised-tj-actions/ cve@mitre.org
- https://github.com/chains-project/maven-lockfile/pull/1111 cve@mitre.org
- https://github.com/espressif/arduino-esp32/issues/11127 cve@mitre.org
- https://github.com/github/docs/blob/962a1c8dccb8c0f66548b324e5b921b5e4fbc3d6/content/actio... cve@mitre.org
- https://github.com/modal-labs/modal-examples/issues/1100 cve@mitre.org
- https://github.com/rackerlabs/genestack/pull/903 cve@mitre.org
- https://github.com/tj-actions/changed-files/blob/45fb12d7a8bedb4da42342e52fe054c6c2c3fd73/... cve@mitre.org
- https://github.com/tj-actions/changed-files/issues/2463 cve@mitre.org
- https://github.com/tj-actions/changed-files/issues/2464 cve@mitre.org
- https://github.com/tj-actions/changed-files/issues/2477 cve@mitre.org
- https://news.ycombinator.com/item?id=43367987 cve@mitre.org
- https://news.ycombinator.com/item?id=43368870 cve@mitre.org
- https://semgrep.dev/blog/2025/popular-github-action-tj-actionschanged-files-is-compromised... cve@mitre.org
- https://sysdig.com/blog/detecting-and-mitigating-the-tj-actions-changed-files-supply-chain... cve@mitre.org
- https://web.archive.org/web/20250315060250/https://github.com/tj-actions/changed-files/iss... cve@mitre.org
- https://www.stepsecurity.io/blog/harden-runner-detection-tj-actions-changed-files-action-i... cve@mitre.org
- https://www.stream.security/post/github-action-supply-chain-attack-exposes-secrets-what-yo... cve@mitre.org
- https://www.sweet.security/blog/cve-2025-30066-tj-actions-supply-chain-attack cve@mitre.org
- https://www.wiz.io/blog/github-action-tj-actions-changed-files-supply-chain-attack-cve-202... cve@mitre.org
- https://www.cisa.gov/news-events/alerts/2025/03/18/supply-chain-compromise-third-party-git... af854a3a-2127-422b-91ae-364da2661108
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-30066 134c704f-9b21-4f2e-91b3-4a467353bcc0