Malware in moontose
Malware discovered in the npm package moontose. Systems with this package installed or running are considered fully compromised and require immediate remediation.
- Disclosed
- Last updated
- Blast radius
- Any system with moontose installed or running
- Ecosystems
- Attack vectors
- Affected entities
- moontose
The npm package moontose has been identified as containing malware. According to the GitHub Advisory (GHSA-3675-4v4m-cxv9), any computer with this package installed or running should be considered fully compromised.\n\nThe advisory recommends immediate action: all secrets and keys stored on affected computers should be rotated from a different, uncompromised system. The package should be removed, though there is no guarantee that removal will eliminate all malicious software that may have been installed as a result of the compromise.\n\nThis represents a critical supply chain attack through a compromised package in the npm ecosystem, with potential for complete system compromise on any affected installation.
Indicators of compromise
- Packages
- moontose
Remediation
- Immediately rotate all secrets and keys stored on affected computers from a different, uncompromised system
- Remove the moontose package from all affected systems
- Conduct a full security audit of any system that had moontose installed
- Monitor affected systems for signs of unauthorized access or additional malware
- Review and revoke any credentials or API keys that may have been exposed
Sources
- GitHub Advisory GHSA-3675-4v4m-cxv9 · GitHub Advisory Database
Cite this entry
"Malware in moontose." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 31, 2026; last updated July 31, 2026. https://supplychainattack.org/incident/malware-in-moontose-1n1c0a
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