Malware in wm-mapper
The npm package wm-mapper contains malware that grants full system compromise to an outside entity. Any computer with this package installed or running should be considered fully compromised.
- Disclosed
- Last updated
- Blast radius
- Any system with wm-mapper installed or running
- Ecosystems
- Attack vectors
- Affected entities
- wm-mapper
The npm package wm-mapper has been identified as containing malware. According to the GitHub Advisory (GHSA-vqvw-vx7g-vp4p), 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. While 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 initial compromise, given that the outside entity may have gained full control of the system.\n\nUsers should treat any system that has run wm-mapper as potentially containing persistent malware and take appropriate incident response measures.
Indicators of compromise
- Packages
- wm-mapper
Remediation
- Immediately isolate any computer that has wm-mapper installed or running from the network
- Rotate all secrets, API keys, credentials, and cryptographic keys from a different, uncompromised computer
- Remove the wm-mapper package from all affected systems
- Perform a full forensic analysis and malware scan on affected systems
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider full system reimaging if full compromise is suspected
Sources
- GitHub Advisory GHSA-vqvw-vx7g-vp4p · GitHub Advisory Database
Cite this entry
"Malware in wm-mapper." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 29, 2026; last updated June 29, 2026. https://supplychainattack.org/incident/malware-in-wm-mapper-1llk6y
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