Malware in express-bunker
Malware discovered in the npm package express-bunker. Systems with this package installed or running are considered fully compromised and require immediate remediation.
- Disclosed
- Last updated
- Blast radius
- Any system with express-bunker installed or running
- Ecosystems
- Attack vectors
- Affected entities
- express-bunker
A critical malware incident has been identified in the npm package express-bunker. According to the GitHub Advisory (GHSA-w7r5-8cmj-m893), any computer with this package installed or running should be considered fully compromised.\n\nThe 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 package installation, as the attacker may have gained full control of the system.\n\nAffected users should treat this as a critical security incident requiring comprehensive system remediation and credential rotation.
Indicators of compromise
- Packages
- express-bunker
Remediation
- Immediately remove the express-bunker package from all affected systems
- Rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Perform a comprehensive security audit and malware scan of all affected systems
- Review system logs for unauthorized access or activity
- Consider full system reimaging if full compromise is suspected
- Monitor for any signs of continued malicious activity
Sources
- GitHub Advisory GHSA-w7r5-8cmj-m893 · GitHub Advisory Database
Cite this entry
"Malware in express-bunker." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed August 21, 2026; last updated August 21, 2026. https://supplychainattack.org/incident/malware-in-express-bunker-1rpy0x
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