Malware in whs4_pnm
The npm package whs4_pnm contains malware that grants full control of affected systems. Any computer with this package installed or running should be considered fully compromised.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- whs4_pnm
The npm package whs4_pnm has been identified as containing malware. According to the GitHub Advisory (GHSA-23v6-j5g5-7x9p), any computer that has this package installed or running should be considered fully compromised.\n\nThe advisory indicates that the malware may provide an outside entity with full control of the affected system. All secrets and keys stored on compromised computers should be rotated immediately from a different, unaffected computer.\n\nWhile the package should be removed, there is no guarantee that removal will eliminate all malicious software that may have been installed as a result of the package installation, given the level of system compromise.
Indicators of compromise
- Packages
- whs4_pnm
Remediation
- Immediately remove the whs4_pnm package from all systems
- Rotate all secrets, keys, and credentials from a different, unaffected computer
- Assume full system compromise and conduct forensic analysis
- Monitor affected systems for signs of unauthorized access or persistence mechanisms
- Consider rebuilding affected systems from clean media if critical infrastructure is involved
Sources
- GitHub Advisory GHSA-23v6-j5g5-7x9p · GitHub Advisory Database
Cite this entry
"Malware in whs4_pnm." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 7, 2026; last updated July 7, 2026. https://supplychainattack.org/incident/malware-in-whs4-pnm-1d8pz9
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