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    CVE-2025-30066

    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.)

    Published:Mar 15, 2025
    Last Modified:Feb 26, 2026
    EPS:Mar 15, 2025
    EPSS Score:0.86602
    CVSS Score:8.6

    CISA Notification

    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.)

    Required Action:

    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.

    Notes:

    No extra notes provided.

    Due Date
    Apr 8, 2025
    521 days ago
    Alert Date
    Mar 18, 2025
    542 days ago

    Affected Products

    Vendor
    Tj-actions
    Product
    Changed-files

    Exploits

    https://blog.gitguardian.com/compromised-tj-actions/https://www.stepsecurity.io/blog/harden-runner-detection-tj-actions-changed-files-action-is-compromisedhttps://github.com/Checkmarx/Checkmarx-CVE-2025-30066-Detection-Toolhttps://github.com/OS-pedrogustavobilro/test-changed-fileshttps://github.com/Super-Vulnerable-Org/compromised-action

    Common Weakness Enumeration

    CWE-506 Embedded Malicious Code

    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
    https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-30066

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High