Malware in @gocortexio/npmgremlinbox-epl-1-0
Malware was discovered in the npm package @gocortexio/npmgremlinbox-epl-1-0. Systems with this package installed or running should be considered fully compromised, requiring immediate rotation of all secrets and keys from a different computer.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- @gocortexio/npmgremlinbox-epl-1-0
A malicious npm package @gocortexio/npmgremlinbox-epl-1-0 was identified and published to the npm registry. The package contains malware that grants full control of affected systems to an outside entity.\n\nAny computer that has installed or run this package should be considered fully compromised. The advisory recommends immediate rotation of all secrets and keys stored on affected systems, performed from a different, uncompromised computer.\n\nWhile removal of the package is advised, there is no guarantee that uninstalling it will remove all malicious software that may have been deployed during the compromise. A full security audit and potential system rebuild may be necessary for affected systems.
Indicators of compromise
- Packages
- @gocortexio/npmgremlinbox-epl-1-0
Remediation
- Immediately rotate all secrets, keys, and credentials from a different, uncompromised computer
- Remove the @gocortexio/npmgremlinbox-epl-1-0 package from all systems
- Conduct a full security audit of any system that had this package installed
- Consider rebuilding affected systems from clean media
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Monitor for any lateral movement or persistence mechanisms left by the malware
Sources
- GitHub Advisory GHSA-rgmq-p9gv-7m9r · GitHub Advisory Database
Cite this entry
"Malware in @gocortexio/npmgremlinbox-epl-1-0." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 20, 2026; last updated July 20, 2026. https://supplychainattack.org/incident/malware-in-gocortexio-npmgremlinbox-epl-1-0-d1tson
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