Malware in @gocortexio/npmgremlinbox-cern-ohl-w-2-0
The npm package @gocortexio/npmgremlinbox-cern-ohl-w-2-0 contains malware that grants full system compromise to an outside entity. Any computer with this package installed or running should be considered fully compromised.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- @gocortexio/npmgremlinbox-cern-ohl-w-2-0
The npm package @gocortexio/npmgremlinbox-cern-ohl-w-2-0 was identified as containing malware. According to the GitHub advisory, any computer that has this package installed or running should be considered fully compromised.
The malware grants an outside entity full control of the affected system. All secrets and keys stored on compromised computers should be rotated immediately from a different, unaffected computer.
While the package should be removed, removal may not eliminate all malicious software that resulted from the installation, as the attacker may have established persistent access or additional backdoors on the system.
Indicators of compromise
- Packages
- @gocortexio/npmgremlinbox-cern-ohl-w-2-0
Remediation
- Immediately remove the @gocortexio/npmgremlinbox-cern-ohl-w-2-0 package from all systems
- Rotate all secrets, API keys, and credentials stored on affected computers from a different, unaffected computer
- Perform a full security audit and malware scan of any system that had this package 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
Sources
- GitHub Advisory GHSA-v3g4-vqc2-ww4m · GitHub Advisory Database
Cite this entry
"Malware in @gocortexio/npmgremlinbox-cern-ohl-w-2-0." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 20, 2026; last updated July 20, 2026. https://supplychainattack.org/incident/malware-in-gocortexio-npmgremlinbox-cern-ohl-w-2-0-11c69x
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