Malware in chai-log
Malware discovered in the npm package chai-log. Systems with this package installed or running are considered fully compromised and require immediate remediation.
- Disclosed
- Last updated
- Blast radius
- Any system with chai-log installed or running
- Ecosystems
- Attack vectors
- Affected entities
- chai-lognpm package containing malware
The npm package chai-log has been identified as containing malware. According to the GitHub advisory (GHSA-2534-xr99-f4wh), 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. 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.\n\nThis represents a critical supply chain attack through a compromised npm package with potential for complete system compromise.
Indicators of compromise
- Packages
- chai-log
Remediation
- Immediately isolate any system with chai-log installed from the network
- Rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Remove the chai-log package from all affected systems
- Conduct a full security audit and malware scan of affected systems
- Review system logs for any unauthorized access or activity
- Consider the affected systems as potentially fully compromised and plan for complete rebuild if critical systems are involved
Sources
- GitHub Advisory GHSA-2534-xr99-f4wh · GitHub Advisory Database
Cite this entry
"Malware in chai-log." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 27, 2026; last updated July 27, 2026. https://supplychainattack.org/incident/malware-in-chai-log-1i5agp
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