Malware in test-dev-host
The npm package test-dev-host contained malware that fully compromised any system where it was installed or executed. The package has been identified and removed from distribution.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- test-dev-hostnpm package containing malware
The npm package test-dev-host was found to contain malware. According to the GitHub Advisory (GHSA-6v46-5v2x-c3c5), any computer with this package installed or running should be considered fully compromised.\n\nThe malware grants outside entities full control of affected systems. Users are advised to rotate all secrets and keys stored on compromised computers from a different, unaffected system. While the package can be removed, there is no guarantee that removal will eliminate all malicious software that may have been installed as a result of the initial compromise.\n\nThe advisory was published on August 1, 2026, and the package has been identified and addressed through the GitHub Advisory system.
Indicators of compromise
- Packages
- test-dev-host
Remediation
- Immediately remove the test-dev-host package from all systems
- Rotate all secrets, keys, and credentials from a different, unaffected computer
- Assume full system compromise and conduct forensic analysis
- Review system logs for unauthorized access or modifications
- Consider full system rebuild if critical infrastructure or sensitive data was present
Sources
- GitHub Advisory GHSA-6v46-5v2x-c3c5 · GitHub Advisory Database
Cite this entry
"Malware in test-dev-host." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed August 1, 2026; last updated August 1, 2026. https://supplychainattack.org/incident/malware-in-test-dev-host-1nfcai
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