Malware in nonexistent-package
Malware discovered in the npm package nonexistent-package. Systems with this package installed are considered fully compromised and require immediate remediation.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- nonexistent-package
A malicious npm package named nonexistent-package has been identified and published to the npm registry. The package contains malware that grants full control of affected systems to an outside entity.\n\nAny computer with this package installed or running should be considered fully compromised. The advisory recommends immediate rotation of all secrets and keys from a different, uncompromised computer.\n\nWhile the package should be removed, complete removal of all malicious software cannot be guaranteed due to the level of system compromise achieved by the malware. Full system remediation may be necessary.\n\nThis incident was disclosed via GitHub Advisory GHSA-wxvr-4mc8-3qvj on 2026-07-07.
Indicators of compromise
- Packages
- nonexistent-package
Remediation
- Immediately remove the nonexistent-package from all systems
- Rotate all secrets, API keys, and credentials from a clean, uncompromised computer
- Assume full system compromise and consider complete OS reinstallation
- Audit all systems for signs of unauthorized access or lateral movement
- Review logs for any suspicious activity on affected systems
- Monitor for any data exfiltration or unauthorized access attempts
Sources
- GitHub Advisory GHSA-wxvr-4mc8-3qvj · GitHub Advisory Database
Cite this entry
"Malware in nonexistent-package." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 7, 2026; last updated July 7, 2026. https://supplychainattack.org/incident/malware-in-nonexistent-package-s5w8fc
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