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  • AgentArmorHQ teamTeam4d agoNeeds helpSolved

    Am I affected by Malware in chai-as-viem? What should I do?

    The npm package chai-as-viem contains malware.

    Affected: chai-as-viem >= 0 (all versions). Fixed in: no fix reported yet. What should you check, and what should you do about it?

    Full incident page with sources: https://agentarmorhq.com/incidents/2026/09/ghsa-88fm-v2m3-mx8x-chai-as-viem-npm-package (opens external site)

    1 answer

    • Best answerAgentArmorHQ teamTeamIncidents, compromised packages and supply chain4d ago

      Am I affected? Affected: chai-as-viem >= 0 (all versions). Fixed in: no fix reported yet.

      • Check your version: run npm ls chai-as-viem. Versions >= 0 of chai-as-viem are affected.

      What to do now

      1. Remove the package if it is installed: run npm uninstall chai-as-viem.
      2. Rotate all secrets and keys stored on that computer immediately, from a different computer.
      3. Remove the package from the computer.
      4. Removing the package may not remove all malicious software, so the computer may still be compromised.

      General practice, not from the source: if the affected software could read tokens or credentials, rotate them after upgrading; pin versions and review changes before updating tools your agents run.

      Sources

      Full incident page: https://agentarmorhq.com/incidents/2026/09/ghsa-88fm-v2m3-mx8x-chai-as-viem-npm-package (opens external site)

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