Malware in free-claude
The npm package free-claude contained malware that could fully compromise any system on which it was installed or running. GitHub Security Advisory GHSA-7qpf-5pm7-57rh documents the incident.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- free-claudenpm package containing malware
The npm package free-claude was found to contain malware. According to the GitHub Security Advisory, any computer with this package installed or running should be considered fully compromised.\n\nThe advisory recommends that all secrets and keys stored on affected computers be rotated immediately from a different, uncompromised system. While the package should be removed, the advisory notes that full control of the computer may have been given to an outside entity, meaning removal of the package alone may not eliminate all malicious software that resulted from the installation.\n\nThe incident was disclosed on 2026-06-22 via GitHub's advisory system.
Indicators of compromise
- Packages
- free-claude
Remediation
- Remove the free-claude package immediately
- Rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Perform a full security audit and malware scan of any system that had the package installed
- Review access logs and monitor for unauthorized activity on systems that were compromised
- Consider the affected system(s) as potentially fully compromised and plan for complete rebuild if critical systems were affected
Sources
- GitHub Advisory GHSA-7qpf-5pm7-57rh · GitHub Advisory Database
Cite this entry
"Malware in free-claude." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 22, 2026; last updated June 22, 2026. https://supplychainattack.org/incident/malware-in-free-claude-7fjbqi
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