CVE-2025-30066

high

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

https://www.cisa.gov/news-events/alerts/2025/03/18/supply-chain-compromise-third-party-github-action-cve-2025-30066

https://www.wiz.io/blog/github-action-tj-actions-changed-files-supply-chain-attack-cve-2025-30066

https://www.sweet.security/blog/cve-2025-30066-tj-actions-supply-chain-attack

https://www.stream.security/post/github-action-supply-chain-attack-exposes-secrets-what-you-need-to-know-and-how-to-respond

https://sysdig.com/blog/detecting-and-mitigating-the-tj-actions-changed-files-supply-chain-attack-cve-2025-30066/

https://semgrep.dev/blog/2025/popular-github-action-tj-actionschanged-files-is-compromised/

https://news.ycombinator.com/item?id=43368870

https://news.ycombinator.com/item?id=43367987

https://www.securityweek.com/impact-root-cause-of-github-actions-supply-chain-hack-revealed/

https://thehackernews.com/2025/03/cisa-warns-of-active-exploitation-in.html

https://securityaffairs.com/175583/security/u-s-cisa-adds-fortinet-fortios-fortiproxy-and-github-action-flaws-to-its-known-exploited-vulnerabilities-catalog.html

https://www.cisa.gov/news-events/alerts/2025/03/18/cisa-adds-two-known-exploited-vulnerabilities-catalog

https://www.stepsecurity.io/blog/harden-runner-detection-tj-actions-changed-files-action-is-compromised

https://web.archive.org/web/20250315060250/https://github.com/tj-actions/changed-files/issues/2463

https://github.com/tj-actions/changed-files/issues/2477

https://github.com/tj-actions/changed-files/issues/2464

https://github.com/tj-actions/changed-files/issues/2463

https://github.com/tj-actions/changed-files/blob/45fb12d7a8bedb4da42342e52fe054c6c2c3fd73/README.md?plain=1#L20-L28

https://github.com/rackerlabs/genestack/pull/903

https://github.com/modal-labs/modal-examples/issues/1100

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/espressif/arduino-esp32/issues/11127

https://github.com/chains-project/maven-lockfile/pull/1111

https://blog.gitguardian.com/compromised-tj-actions/

Details

Source: Mitre, NVD

Published: 2025-03-15

Updated: 2025-03-29

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N

Severity: High

CVSS v3

Base Score: 8.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Severity: High

EPSS

EPSS: 0.41711