Malware in poly-utils
Malware was discovered in the npm package poly-utils. Any computer with this package installed or running should be considered fully compromised. All secrets and keys must be rotated immediately from a different computer.
- Disclosed
- Last updated
- Blast radius
- Any system with poly-utils installed or running
- Ecosystems
- Attack vectors
- Affected entities
- poly-utils
The npm package poly-utils was found to contain malware. According to the GitHub advisory (GHSA-ffmg-f668-6cj8), any computer that has this package installed or running should be considered fully compromised.\n\nImmediate action is required: all secrets and keys stored on affected computers should 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 compromise, as the attacker may have gained full control of the system.\n\nThis is a critical supply chain incident affecting the npm ecosystem.
Indicators of compromise
- Packages
- poly-utils
Remediation
- Immediately rotate all secrets and keys from a different, uncompromised computer
- Remove the poly-utils package from all affected systems
- Conduct a full security audit of any system that had poly-utils installed
- Review system logs for unauthorized access or modifications
- Consider the affected system(s) as potentially fully compromised and plan for complete rebuild if critical systems are involved
Sources
- GitHub Advisory GHSA-ffmg-f668-6cj8 · GitHub Advisory Database
Cite this entry
"Malware in poly-utils." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 23, 2026; last updated June 23, 2026. https://supplychainattack.org/incident/malware-in-poly-utils-ld9lpm
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