Malware in chai-smart-assert
Malware discovered in the npm package chai-smart-assert. Systems with this package installed are considered fully compromised and require immediate remediation.
- Disclosed
- Last updated
- Blast radius
- Any system with chai-smart-assert installed or running
- Ecosystems
- Attack vectors
- Affected entities
- chai-smart-assert
The npm package chai-smart-assert has been identified as containing malware. According to the GitHub Advisory (GHSA-897c-qgxj-rv65), any computer with this package installed or running should be considered fully compromised.
The 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.
This represents a critical supply chain attack through a compromised package in the npm ecosystem, with potential for complete system compromise on any machine where it was installed or executed.
Indicators of compromise
- Packages
- chai-smart-assert
Remediation
- Immediately rotate all secrets and keys from a different, uncompromised computer
- Remove the chai-smart-assert package from all affected systems
- Conduct a full security audit of any system that had this package installed
- Review system logs for suspicious activity during the period the package was installed
- Consider the affected system(s) as potentially fully compromised and plan for complete rebuild if critical systems are involved
Sources
- GitHub Advisory GHSA-897c-qgxj-rv65 · GitHub Advisory Database
Cite this entry
"Malware in chai-smart-assert." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 15, 2026; last updated June 16, 2026. https://supplychainattack.org/incident/malware-in-chai-smart-assert-4owmun
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