CVE-2025-30066 KEV
8.6
HIGH · CVSS 3.1 · EPSS 72.1% (pctl 99)
Patch first
On CISA KEV — known exploited in the wild, due 2025-04-08.
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.)
Scoring
| CVSS | 8.6 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N |
| EPSS | 72.09% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-506 |
| On CISA KEV | yes — remediate by 2025-04-08 |
| Public exploit | none known |
| Published | 2025-03-15 |
| Last modified | 2026-09-24 |
CISA KEV
| Name | tj-actions/changed-files GitHub Action Embedded Malicious Code Vulnerability |
|---|---|
| Added | 2025-03-18 |
| Due | 2025-04-08 |
| Vendor / product | tj-actions / changed-files GitHub Action |
| Ransomware use | none reported |
Affected (1)
| Vendor | Product |
|---|---|
| tj-actions | changed-files |
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
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