Malware in wsh4-nmp
The npm package wsh4-nmp was found to contain malware, resulting in full system compromise of any computer with the package installed or running. All secrets and keys on affected systems should be rotated immediately from a different computer.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- wsh4-nmp
The npm package wsh4-nmp was identified as containing malware. According to the GitHub advisory, any computer that has 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. 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 initial compromise.\n\nThis represents a critical supply chain attack through a malicious npm package with potential for complete system takeover.
Indicators of compromise
- Packages
- wsh4-nmp
Remediation
- Remove the wsh4-nmp package immediately from all systems
- Rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Perform a full security audit of any system that had the package installed
- Monitor affected systems for signs of persistent malware or unauthorized access
- Review and revoke any credentials or tokens that may have been exposed
Sources
- GitHub Advisory GHSA-3wv5-4p57-2v5q · GitHub Advisory Database
Cite this entry
"Malware in wsh4-nmp." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 7, 2026; last updated July 7, 2026. https://supplychainattack.org/incident/malware-in-wsh4-nmp-1dfgd7
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