CVE-2025-30066 on CISA KEV

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 updat

01What CISA says about this vulnerability

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.)

02Required action — verbatim from CISA

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.

03Notes & references

• github.com — https://github.com/github/docs/blob/962a1c8dccb8c0f66548b324e5b921b5e4fbc3d6/con…
• github.com — https://github.com/tj-actions/changed-files/issues/2463
• www.stepsecurity.io — https://www.stepsecurity.io/blog/harden-runner-detection-tj-actions-changed-file…
• semgrep.dev — https://semgrep.dev/blog/2025/popular-github-action-tj-actionschanged-files-is-c…
• news.ycombinator.com — https://news.ycombinator.com/item?id=43368870
• web.archive.org — https://web.archive.org/web/20250315060250/https://github.com/tj-actions/changed…
• news.ycombinator.com — https://news.ycombinator.com/item?id=43367987
• github.com — https://github.com/rackerlabs/genestack/pull/903
• github.com — https://github.com/chains-project/maven-lockfile/pull/1111
• sysdig.com — https://sysdig.com/blog/detecting-and-mitigating-the-tj-actions-changed-files-su…
• github.com — https://github.com/espressif/arduino-esp32/issues/11127
• github.com — https://github.com/modal-labs/modal-examples/issues/1100
• github.com — https://github.com/tj-actions/changed-files/issues/2464
• github.com — https://github.com/tj-actions/changed-files/blob/45fb12d7a8bedb4da42342e52fe054c…
• www.wiz.io — https://www.wiz.io/blog/github-action-tj-actions-changed-files-supply-chain-atta…
• www.stream.security — https://www.stream.security/post/github-action-supply-chain-attack-exposes-secre…
• www.sweet.security — https://www.sweet.security/blog/cve-2025-30066-tj-actions-supply-chain-attack
• github.com — https://github.com/tj-actions/changed-files/issues/2477
• blog.gitguardian.com — https://blog.gitguardian.com/compromised-tj-actions/

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

Vendor	Product	Versions
tj-actions	changed	files — 1

06Detection

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection:

Open in Sigma generator →