Malware in nw-demo
The npm package nw-demo contained malware that could fully compromise any system where it was installed or executed. GitHub Security Advisory GHSA-hmxw-6c9h-v2h2 was published on 2026-06-10 to alert users of the threat.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- nw-demonpm package containing malware
The npm package nw-demo was found to contain malware. According to the GitHub Security Advisory, 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 malicious 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\nGiven the severity of the threat and the potential for complete system compromise, users should treat any system that has run this package as potentially fully controlled by an external threat actor.
Indicators of compromise
- Packages
- nw-demo
Remediation
- Remove the nw-demo package immediately from all systems
- Rotate all secrets, API keys, and credentials from a clean, uncompromised computer
- Assume full system compromise and consider rebuilding affected systems from clean media
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Monitor for any suspicious activity on systems that had the package installed
Sources
- GitHub Advisory GHSA-hmxw-6c9h-v2h2 · GitHub Advisory Database
Cite this entry
"Malware in nw-demo." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 10, 2026; last updated June 10, 2026. https://supplychainattack.org/incident/malware-in-nw-demo-18bfns
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