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CVE-2025-30066tj-actions/changed-files GitHub Action Embedded Malicious Code Vulnerability
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.)
8.6 HIGHEPSS 72.09%⚡ Known Exploited (CISA KEV)NVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 8.6 | HIGH | 3.1mitre (CNA) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N |
CISA required action
⚡ Known exploited · remediation due Apr 8, 2025
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.
Details
- CVE ID
- CVE-2025-30066
- Status
- Analyzed
- Assigner (CNA)
- mitre
- Published
- Mar 15, 2025
- Last modified
- 2026-09-24 13:10 UTC
- Weaknesses
- CWE-506 · Embedded Malicious Code
Affected Products
As published by the CNA in the CVE record.
tj-actionschanged-files1 version range
- 1 before 46
References
- blog.gitguardian.com https://blog.gitguardian.com/compromised-tj-actions/
- github.com https://github.com/chains-project/maven-lockfile/pull/1111
- github.com https://github.com/espressif/arduino-esp32/issues/11127
- github.com 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
- github.com https://github.com/modal-labs/modal-examples/issues/1100
- github.com https://github.com/rackerlabs/genestack/pull/903
- github.com https://github.com/tj-actions/changed-files/blob/45fb12d7a8bedb4da42342e52fe054c6c2c3fd73/README.md?plain=1#L20-L28
- github.com https://github.com/tj-actions/changed-files/issues/2463
- github.com https://github.com/tj-actions/changed-files/issues/2464
- github.com https://github.com/tj-actions/changed-files/issues/2477
- news.ycombinator.com https://news.ycombinator.com/item?id=43367987
- news.ycombinator.com https://news.ycombinator.com/item?id=43368870
- semgrep.dev https://semgrep.dev/blog/2025/popular-github-action-tj-actionschanged-files-is-compromised/
- sysdig.com https://sysdig.com/blog/detecting-and-mitigating-the-tj-actions-changed-files-supply-chain-attack-cve-2025-30066/
- web.archive.org https://web.archive.org/web/20250315060250/https://github.com/tj-actions/changed-files/issues/2463
- stepsecurity.io https://www.stepsecurity.io/blog/harden-runner-detection-tj-actions-changed-files-action-is-compromised
- stream.security https://www.stream.security/post/github-action-supply-chain-attack-exposes-secrets-what-you-need-to-know-and-how-to-respond
- sweet.security https://www.sweet.security/blog/cve-2025-30066-tj-actions-supply-chain-attack
- wiz.io https://www.wiz.io/blog/github-action-tj-actions-changed-files-supply-chain-attack-cve-2025-30066
- cisa.gov https://www.cisa.gov/news-events/alerts/2025/03/18/supply-chain-compromise-third-party-github-action-cve-2025-30066
- cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-30066