Malware in @gocortexio/npmgremlinbox-cern-ohl-s-2-0
The npm package @gocortexio/npmgremlinbox-cern-ohl-s-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-s-2-0
The npm package @gocortexio/npmgremlinbox-cern-ohl-s-2-0 has been identified as containing malware. According to the GitHub advisory, 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 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 initial compromise, given that the outside entity may have gained full control of the system.\n\nThis incident was disclosed on 2026-07-20 via GitHub's advisory system.
Indicators of compromise
- Packages
- @gocortexio/npmgremlinbox-cern-ohl-s-2-0
Remediation
- Immediately isolate any computer that has installed or run this package from the network
- Rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Remove the @gocortexio/npmgremlinbox-cern-ohl-s-2-0 package from all systems
- Perform a full security audit and malware scan on affected systems
- Consider the affected systems as potentially fully compromised and plan for complete rebuild if critical systems are involved
- Review npm package dependencies to identify if this package was pulled in as a transitive dependency
Sources
- GitHub Advisory GHSA-cf67-mcc6-xv6g · GitHub Advisory Database
Cite this entry
"Malware in @gocortexio/npmgremlinbox-cern-ohl-s-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-s-2-0-1cjzhe
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