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Actively exploited

CVE-2025-30154 reviewdog/action-setup GitHub Action Embedded Malicious Code Vulnerability

reviewdog action-setup GitHub Action contains an embedded malicious code vulnerability that dumps exposed secrets to Github Actions Workflow Logs.

From the CISA KEV catalogue version 2026.11.06, with Cybergen analysis. Updated 6 Nov 2026.

Our Assessment

Should You Worry?

Patch urgentlyCybergen assessment
  • CISA confirmed exploitation in the wild and added it to the Known Exploited Vulnerabilities catalogue on 24 Mar 2025.
  • Rated High severity (CVSS 8.6, scored by Vendor).
  • It has been in the catalogue for 592 days. Systems still unpatched now have almost certainly been scanned for it.
The Vulnerability

What It Is

reviewdog/action-setup is a GitHub action that installs reviewdog. reviewdog/action-setup@v1 was compromised March 11, 2025, between 18:42 and 20:31 UTC, with malicious code added that dumps exposed secrets to Github Actions Workflow Logs. Other reviewdog actions that use `reviewdog/action-setup@v1` that would also be compromised, regardless of version or pinning method, are reviewdog/action-shellcheck, reviewdog/action-composite-template, reviewdog/action-staticcheck, reviewdog/action-ast-grep, and reviewdog/action-typos.

Affected Versions

ProductVersions
reviewdog reviewdog= 1

From the public CVE record, as supplied by the vendor. Always confirm against the vendor advisory.

From Watch to Action

What To Do Now

  1. 1

    Find it

    Search your asset inventory and external attack surface for reviewdog action-setup GitHub Action. Include cloud images, appliances and anything a supplier runs for you.

    Attack Surface Management
  2. 2

    Fix it

    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.

    Vulnerability Management
  3. 3

    Hunt for compromise

    If an affected system was reachable before you patched, assume it may have been hit. Check logs, new accounts, web shells and outbound connections from the date of exposure.

    Incident Response
  4. 4

    Prove it is fixed

    Rescan or test the system after patching. Upgrades that fail silently and forgotten secondary instances are common.

    Penetration Testing

Vendor Advisories

Regulation

The Compliance Clock

Cyber EssentialsRated high, so if it affects devices in your Cyber Essentials scope, the update must be installed within 14 days of the vendor releasing it.NIS2If exploitation causes a significant incident, essential and important entities owe their CSIRT an early warning within 24 hours and a notification within 72 hours.DORAFinancial entities must classify ICT incidents and send an initial notification for a major incident within strict deadlines, with exploited flaws a common cause.US federal (BOD 22-01)Federal civilian agencies had until 14 Apr 2025 to remediate. A sensible benchmark for everyone else.

General guidance, not legal advice. Your obligations depend on your sector, scope and jurisdiction.

Stay Ahead

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Evidence

Sources

  1. CISA Known Exploited Vulnerabilities catalogue
  2. NVD: CVE-2025-30154
  3. CVE record: CVE-2025-30154
  4. FIRST EPSS
  5. github.com/reviewdog/reviewdog/security/advisories/GHSA-qmg3-hpqr-gqvc
  6. github.com/reviewdog/reviewdog/issues/2079
  7. github.com/reviewdog/action-setup/commit/3f401fe1d58fe77e10d665ab713057375e39b887
  8. github.com/reviewdog/action-setup/commit/f0d342d24037bb11d26b9bd8496e0808ba32e9ec
  9. wiz.io/blog/new-github-action-supply-chain-attack-reviewdog-action-setup