CVE-2025-30066
HIGHCISA KEVEPSS 98th pctlDescription
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 v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Exploit Intelligence
Very high risk: more likely to be exploited than 98% of all known CVEs.
tj-actions/changed-files GitHub Action Embedded Malicious Code Vulnerability
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.
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.
Remediation due: 2025-04-08
References
- https://blog.gitguardian.com/compromised-tj-actions/
- https://github.com/chains-project/maven-lockfile/pull/1111
- https://github.com/espressif/arduino-esp32/issues/11127
- 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/modal-labs/modal-examples/issues/1100
- https://github.com/rackerlabs/genestack/pull/903
- https://github.com/tj-actions/changed-files/blob/45fb12d7a8bedb4da42342e52fe054c6c2c3fd73/README.md?plain=1#L20-L28
- https://github.com/tj-actions/changed-files/issues/2463
- https://github.com/tj-actions/changed-files/issues/2464
- https://github.com/tj-actions/changed-files/issues/2477
- https://news.ycombinator.com/item?id=43367987
- https://news.ycombinator.com/item?id=43368870
- https://semgrep.dev/blog/2025/popular-github-action-tj-actionschanged-files-is-compromised/
- https://sysdig.com/blog/detecting-and-mitigating-the-tj-actions-changed-files-supply-chain-attack-cve-2025-30066/
- https://web.archive.org/web/20250315060250/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://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://www.wiz.io/blog/github-action-tj-actions-changed-files-supply-chain-attack-cve-2025-30066
- https://www.cisa.gov/news-events/alerts/2025/03/18/supply-chain-compromise-third-party-github-action-cve-2025-30066
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-30066
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-05.