CVE-2025-30066

high-risk
Published 2025-03-15

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.)

Do I need to act?

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91.3% chance of exploitation in next 30 days
EPSS score — higher than 9% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.6/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Tj-Actions

References (21)

Exploit https://blog.gitguardian.com/compromised-tj-actions/
Issue Tracking https://github.com/chains-project/maven-lockfile/pull/1111
Issue Tracking https://github.com/espressif/arduino-esp32/issues/11127
Product https://github.com/github/docs/blob/962a1c8dccb8c0f66548b324e5b921b5e4fbc3d6/con...
Issue Tracking https://github.com/modal-labs/modal-examples/issues/1100
Issue Tracking https://github.com/rackerlabs/genestack/pull/903
Product https://github.com/tj-actions/changed-files/blob/45fb12d7a8bedb4da42342e52fe054c...
Issue Tracking https://github.com/tj-actions/changed-files/issues/2463
Issue Tracking https://github.com/tj-actions/changed-files/issues/2464
Issue Tracking https://github.com/tj-actions/changed-files/issues/2477
Issue Tracking https://news.ycombinator.com/item?id=43367987
Issue Tracking https://news.ycombinator.com/item?id=43368870
Third Party Advisory https://semgrep.dev/blog/2025/popular-github-action-tj-actionschanged-files-is-c...
Mitigation https://sysdig.com/blog/detecting-and-mitigating-the-tj-actions-changed-files-su...
Issue Tracking https://web.archive.org/web/20250315060250/https://github.com/tj-actions/changed...
Exploit https://www.stepsecurity.io/blog/harden-runner-detection-tj-actions-changed-file...
Third Party Advisory https://www.stream.security/post/github-action-supply-chain-attack-exposes-secre...
Third Party Advisory https://www.sweet.security/blog/cve-2025-30066-tj-actions-supply-chain-attack
Third Party Advisory https://www.wiz.io/blog/github-action-tj-actions-changed-files-supply-chain-atta...
Third Party Advisory https://www.cisa.gov/news-events/alerts/2025/03/18/supply-chain-compromise-third...
and 1 more references
61
/ 100
high-risk
Severity 29/34 · Critical
Exploitability 27/34 · High
Exposure 5/34 · Minimal