Critical (AgentArmorHQ estimate)Supply chain

Malware in @decoopus/claude-setup

Product
npm/@decoopus/claude-setup
Affected
npm/@decoopus/claude-setup >= 0
Fixed in
No fix yet

Last verified against sources: October 26, 2026

Am I affected?

npm/@decoopus/claude-setup: affected npm/@decoopus/claude-setup >= 0. No fix has been reported yet.

  • Check your version: run npm ls @decoopus/claude-setup. Versions >= 0 of @decoopus/claude-setup are affected. [1]

What to do now

  1. Remove the package if it is installed: run npm uninstall @decoopus/claude-setup. [1]
  2. Remove @decoopus/claude-setup from any computer where it is installed. [1]
  3. Rotate all secrets and keys stored on that computer right away, from a different computer. [1]
  4. Do not assume the computer is clean after removing the package, because removing it may not remove all the malicious software. [1]

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.

Discuss this incident

What happened

  • Malware was found in the npm package @decoopus/claude-setup. [1]

Impact

  • An attacker may have full control of any computer where the package was installed or running. [1]
  • Any secrets and keys stored on that computer may be exposed. [1]

What was done

  • No patched version of the package has been released. [1]

Sources

  1. GHSA-p7p5-jrq5-q47x — GitHub Advisory Database

Every statement above was checked against these sources before publishing. Spotted an error? Tell us and we will correct it with a dated note.

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Brief
Malware in @decoopus/claude-setup
Product: npm/@decoopus/claude-setup | Affected: npm/@decoopus/claude-setup >= 0 | Fixed in: No fix yet
Summary: Malware was found in the npm package @decoopus/claude-setup.
Source & remediation on AgentArmorHQ: https://agentarmorhq.com/incidents/2026/10/ghsa-p7p5-jrq5-q47x-npm-decoopus-claude-setup
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