Malware in @servicetitan/hammer-token
Malware was discovered in the npm package @servicetitan/hammer-token. Systems with this package installed or running should be considered fully compromised, with all secrets and keys requiring immediate rotation from a different computer.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- @servicetitan/hammer-token
A critical malware incident was identified in the npm package @servicetitan/hammer-token. The malicious package poses a severe threat to any system where it has been installed or executed.\n\nAccording to the advisory, computers running this package should be considered fully compromised. The malware may have granted outside entities full control of affected systems. All secrets, keys, and credentials stored on compromised machines must be rotated immediately from a separate, unaffected computer.\n\nWhile removing the package is recommended, there is no guarantee that uninstallation will eliminate all malicious software that may have been deployed during the compromise. A comprehensive security review and potential system rebuild may be necessary for affected organizations.
Indicators of compromise
- Packages
- @servicetitan/hammer-token
Remediation
- Immediately remove the @servicetitan/hammer-token package from all systems
- Rotate all secrets, keys, and credentials from a separate, uncompromised computer
- Conduct a full security audit of any system that had this package installed
- Consider rebuilding affected systems from clean media if full compromise is suspected
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Notify relevant stakeholders and security teams of the compromise
Sources
- GitHub Advisory GHSA-qvhm-jx8x-jc57 · GitHub Advisory Database
Cite this entry
"Malware in @servicetitan/hammer-token." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed August 4, 2026; last updated August 4, 2026. https://supplychainattack.org/incident/malware-in-servicetitan-hammer-token-djxd26
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