Malware in pui-diagnostics
Malware was discovered in the npm package pui-diagnostics. Systems with this package installed or running should be considered fully compromised and require immediate remediation.
- Disclosed
- Last updated
- Blast radius
- Any system with pui-diagnostics installed or running
- Ecosystems
- Attack vectors
- Affected entities
- pui-diagnostics
The npm package pui-diagnostics was found to contain malware. According to the GitHub Advisory (GHSA-96f9-39p2-gjwm), any computer with 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, as the attacker may have gained full control of the system.\n\nUsers should treat any system that has run this package as potentially containing persistent malware and take appropriate containment and recovery measures.
Indicators of compromise
- Packages
- pui-diagnostics
Remediation
- Immediately isolate any system that has pui-diagnostics installed or running from the network
- Rotate all secrets, API keys, credentials, and signing keys from a different, uncompromised computer
- Remove the pui-diagnostics package from all affected systems
- Perform a full security audit and malware scan of affected systems
- Consider rebuilding affected systems from clean media if full compromise is suspected
- Review system logs and access logs for any unauthorized activity during the period the package was installed
Sources
- GitHub Advisory GHSA-96f9-39p2-gjwm · GitHub Advisory Database
Cite this entry
"Malware in pui-diagnostics." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 11, 2026; last updated June 11, 2026. https://supplychainattack.org/incident/malware-in-pui-diagnostics-125p10
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