Malware in janus-ft
The npm package janus-ft was found to contain malware, resulting in full system compromise of any computer with the package installed or running. All secrets and keys on affected systems should be rotated immediately from a different computer.
- Disclosed
- Last updated
- Blast radius
- Any system with janus-ft installed or running
- Ecosystems
- Attack vectors
- Affected entities
- janus-ftnpm package containing malware
The npm package janus-ft was identified as containing malware. According to the GitHub Advisory (GHSA-9pc7-vjjr-gxpr), any computer that has this package installed or running should be considered fully compromised.\n\nAffected systems require immediate remediation. All secrets and cryptographic keys stored on compromised computers should be rotated immediately from a different, unaffected computer. While the malicious 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 initial compromise, given the potential for full system control to have been granted to an outside entity.\n\nUsers should assume complete system compromise and take appropriate defensive measures accordingly.
Indicators of compromise
- Packages
- janus-ft
Remediation
- Immediately rotate all secrets, API keys, and cryptographic credentials from a different, unaffected computer
- Remove the janus-ft package from all affected systems
- Perform a full security audit and malware scan of any system that had janus-ft installed
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider full system reimaging if the package was installed on production or sensitive systems
- Notify any downstream systems or services that may have been compromised through credentials stored on affected machines
Sources
- GitHub Advisory GHSA-9pc7-vjjr-gxpr · GitHub Advisory Database
Cite this entry
"Malware in janus-ft." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 16, 2026; last updated June 16, 2026. https://supplychainattack.org/incident/malware-in-janus-ft-dx46ax
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