Malware in older_morgan
The npm package older_morgan contains malware that grants full system compromise to attackers. Any computer with this package installed or running should be considered fully compromised and all secrets and keys should be rotated immediately from a different computer.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- older_morgannpm package
The npm package older_morgan has been identified as containing malware. According to the GitHub Advisory (GHSA-3h54-5c65-vwjj), any computer that has this package installed or running should be considered fully compromised.\n\nThe advisory recommends that all secrets and keys stored on affected computers be rotated immediately from a different, uncompromised computer. 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 any system that has run this package as potentially containing persistent malware and take appropriate incident response measures.
Indicators of compromise
- Packages
- older_morgan
Remediation
- Immediately remove the older_morgan package from all systems
- Rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Assume full system compromise and conduct thorough forensic analysis
- Consider the affected system as potentially containing persistent malware even after package removal
- Implement monitoring for any suspicious activity on affected systems
Sources
- GitHub Advisory GHSA-3h54-5c65-vwjj · GitHub Advisory Database
Cite this entry
"Malware in older_morgan." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 6, 2026; last updated July 6, 2026. https://supplychainattack.org/incident/malware-in-older-morgan-1cj4pk
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