Not analysed yet
We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 8.6 | High | 3.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N | CNA (mitre) |
- CISA KEV Listed since 18 Mar 2025: known to be exploited.
- EPSS 0.72, the 99th percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
Sources
References from the CNA
- 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/tj-actions/changed-files/issues/2463
- www.stepsecurity.io/blog/harden-runner-detection-tj-actions-changed-files-action-is-compromised
- semgrep.dev/blog/2025/popular-github-action-tj-actionschanged-files-is-compromised/
- news.ycombinator.com/item?id=43368870
- web.archive.org/web/20250315060250/https://github.com/tj-actions/changed-files/issues/2463
- news.ycombinator.com/item?id=43367987
- github.com/rackerlabs/genestack/pull/903
- github.com/chains-project/maven-lockfile/pull/1111
- sysdig.com/blog/detecting-and-mitigating-the-tj-actions-changed-files-supply-chain-attack-cve-2025-30066/
- github.com/espressif/arduino-esp32/issues/11127
- github.com/modal-labs/modal-examples/issues/1100
- github.com/tj-actions/changed-files/issues/2464
- github.com/tj-actions/changed-files/blob/45fb12d7a8bedb4da42342e52fe054c6c2c3fd73/README.md?plain=1#L20-L28
- www.wiz.io/blog/github-action-tj-actions-changed-files-supply-chain-attack-cve-2025-30066
- www.stream.security/post/github-action-supply-chain-attack-exposes-secrets-what-you-need-to-know-and-how-to-respond
- www.sweet.security/blog/cve-2025-30066-tj-actions-supply-chain-attack
- github.com/tj-actions/changed-files/issues/2477
- blog.gitguardian.com/compromised-tj-actions/