{
  "id": "CVE-2025-30066",
  "url": "https://spydr.io/cve/CVE-2025-30066",
  "published": "2025-03-15T06:15:12.193Z",
  "modified": "2026-09-24T13:10:00.320Z",
  "score": 8.6,
  "severity": "high",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N",
  "score_source": "NVD",
  "epss": 0.72092,
  "epss_percentile": 0.99418,
  "exploited": true,
  "kev": {
    "added": "2025-03-18",
    "due": "2025-04-08",
    "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.",
    "ransomware": "Unknown",
    "name": "tj-actions/changed-files GitHub Action Embedded Malicious Code Vulnerability",
    "notes": "This vulnerability affects a common open-source project, third-party library, or a protocol used by different products. For more information, please see: CISA Mitigation Instructions: https://www.cisa.gov/news-events/alerts/2025/03/18/supply-chain-compromise-third-party-tj-actionschanged-files-cve-2025-30066-and-reviewdogaction ; Additional References: https://github.com/tj-actions/changed-files/blob/45fb12d7a8bedb4da42342e52fe054c6c2c3fd73/README.md?plain=1#L20-L28 ; https://nvd.nist.gov/vuln/detail/CVE-2025-30066"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "tj-actions"
  ],
  "products": [
    "tj-actions changed-files"
  ],
  "cwes": [
    "CWE-506"
  ],
  "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.)",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 8.6,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "https://blog.gitguardian.com/compromised-tj-actions/",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/chains-project/maven-lockfile/pull/1111",
      "tags": [
        "Issue Tracking"
      ]
    },
    {
      "url": "https://github.com/espressif/arduino-esp32/issues/11127",
      "tags": [
        "Issue Tracking"
      ]
    },
    {
      "url": "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",
      "tags": [
        "Product"
      ]
    },
    {
      "url": "https://github.com/modal-labs/modal-examples/issues/1100",
      "tags": [
        "Issue Tracking"
      ]
    },
    {
      "url": "https://github.com/rackerlabs/genestack/pull/903",
      "tags": [
        "Issue Tracking"
      ]
    },
    {
      "url": "https://github.com/tj-actions/changed-files/blob/45fb12d7a8bedb4da42342e52fe054c6c2c3fd73/README.md?plain=1#L20-L28",
      "tags": [
        "Product"
      ]
    },
    {
      "url": "https://github.com/tj-actions/changed-files/issues/2463",
      "tags": [
        "Issue Tracking"
      ]
    },
    {
      "url": "https://github.com/tj-actions/changed-files/issues/2464",
      "tags": [
        "Issue Tracking"
      ]
    },
    {
      "url": "https://github.com/tj-actions/changed-files/issues/2477",
      "tags": [
        "Issue Tracking"
      ]
    },
    {
      "url": "https://news.ycombinator.com/item?id=43367987",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://news.ycombinator.com/item?id=43368870",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://semgrep.dev/blog/2025/popular-github-action-tj-actionschanged-files-is-compromised/",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://sysdig.com/blog/detecting-and-mitigating-the-tj-actions-changed-files-supply-chain-attack-cve-2025-30066/",
      "tags": [
        "Mitigation",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://web.archive.org/web/20250315060250/https://github.com/tj-actions/changed-files/issues/2463",
      "tags": [
        "Issue Tracking"
      ]
    },
    {
      "url": "https://www.stepsecurity.io/blog/harden-runner-detection-tj-actions-changed-files-action-is-compromised",
      "tags": [
        "Exploit",
        "Mitigation",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.stream.security/post/github-action-supply-chain-attack-exposes-secrets-what-you-need-to-know-and-how-to-respond",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.sweet.security/blog/cve-2025-30066-tj-actions-supply-chain-attack",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.wiz.io/blog/github-action-tj-actions-changed-files-supply-chain-attack-cve-2025-30066",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/news-events/alerts/2025/03/18/supply-chain-compromise-third-party-github-action-cve-2025-30066",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-30066",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2025-30066",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}