Malware in testzapier
Malware was discovered in the npm package testzapier, providing full system compromise to any computer with the package installed or running. The advisory recommends immediate removal and rotation of all secrets and keys from a separate, uncompromised system.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- testzapier
A critical malware incident was identified in the npm package testzapier. The malicious package grants full control of affected systems to an outside entity.\n\nAny computer with testzapier installed or running should be considered fully compromised. All secrets, keys, and credentials stored on affected systems must be rotated immediately from a different, uncompromised computer.\n\nWhile the package should be removed, complete remediation cannot be guaranteed due to the level of system access the malware may have obtained. Additional forensic analysis and system hardening may be necessary.
Indicators of compromise
- Packages
- testzapier
Remediation
- Immediately remove the testzapier package from all affected systems
- Rotate all secrets, keys, and credentials from a separate, uncompromised computer
- Assume full system compromise and conduct forensic analysis
- Consider rebuilding affected systems from clean media if critical infrastructure is involved
- Monitor for signs of persistent malware or unauthorized access
Sources
- GitHub Advisory GHSA-5ppv-rxq4-cf57 · GitHub Advisory Database
Cite this entry
"Malware in testzapier." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 15, 2026; last updated July 15, 2026. https://supplychainattack.org/incident/malware-in-testzapier-6v3tfo
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