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CVE-2025-30066: tj-actions/changed-files GitHub Action Embedded Malicious Code Vulnerability

criticalknown exploitedpublic exploitCVE-2025-30066
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
tj-actions/changed-files GitHub Action contains an embedded malicious code vulnerability that allows a remote attacker to discover secrets by reading Github Actions Workflow Logs. These secrets may include, but are not limited to, valid AWS access keys, GitHub personal access tokens (PATs), npm tokens, and private RSA keys.

CSIRTS triage

vendor: tj-actionsproduct: changed-filesOther
What
The GitHub Action contains an embedded malicious code vulnerability that allows secrets to be discovered.
Who is affected
Users of the tj-actions/changed-files GitHub Action are affected.
Urgency
Immediate remediation is necessary due to active exploitation and critical severity.
Action
Remove or update the tj-actions/changed-files GitHub Action to a secure version.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2025-03-18
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-30066

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2025-30066coverage & exploitation statusNVD · CVE.org

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