CVE-2025-30066
tj-actions changed-files
Published 15 Mar 2025 · updated 24 Sept 2026 · Analyzed
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 18 Mar 2025, with a remediation deadline of 8 Apr 2025 for US federal agencies.
Required action: 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.
Description
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.)
References
- blog.gitguardian.com/compromised-tj-actions/ · Exploit, Third Party Advisory
- github.com/chains-project/maven-lockfile/pull/1111 · Issue Tracking
- github.com/espressif/arduino-esp32/issues/11127 · Issue Tracking
- github.com/github/docs/blob/962a1c8dccb8c0f66548b324e5b921b5e4fbc3d6/content/actions/security-for-github-actions/security-guides/security-hardening-for-github-actions.md?plain=1#L191-L193 · Product
- github.com/modal-labs/modal-examples/issues/1100 · Issue Tracking
- github.com/rackerlabs/genestack/pull/903 · Issue Tracking
- github.com/tj-actions/changed-files/blob/45fb12d7a8bedb4da42342e52fe054c6c2c3fd73/README.md?plain=1#L20-L28 · Product
- github.com/tj-actions/changed-files/issues/2463 · Issue Tracking
- github.com/tj-actions/changed-files/issues/2464 · Issue Tracking
- github.com/tj-actions/changed-files/issues/2477 · Issue Tracking
- news.ycombinator.com/item?id=43367987 · Issue Tracking, Third Party Advisory
- news.ycombinator.com/item?id=43368870 · Issue Tracking, Third Party Advisory
- semgrep.dev/blog/2025/popular-github-action-tj-actionschanged-files-is-compromised/ · Third Party Advisory
- sysdig.com/blog/detecting-and-mitigating-the-tj-actions-changed-files-supply-chain-attack-cve-2025-30066/ · Mitigation, Third Party Advisory
- web.archive.org/web/20250315060250/https://github.com/tj-actions/changed-files/issues/2463 · Issue Tracking
- www.stepsecurity.io/blog/harden-runner-detection-tj-actions-changed-files-action-is-compromised · Exploit, Mitigation, Third Party Advisory
- www.stream.security/post/github-action-supply-chain-attack-exposes-secrets-what-you-need-to-know-and-how-to-respond · Third Party Advisory
- www.sweet.security/blog/cve-2025-30066-tj-actions-supply-chain-attack · Third Party Advisory
- www.wiz.io/blog/github-action-tj-actions-changed-files-supply-chain-attack-cve-2025-30066 · Third Party Advisory
- www.cisa.gov/news-events/alerts/2025/03/18/supply-chain-compromise-third-party-github-action-cve-2025-30066 · Third Party Advisory, US Government Resource
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-30066 · US Government Resource