Malware in @gocortexio/npmgremlinbox-ncgl-uk-2-0
Malware was discovered in the npm package @gocortexio/npmgremlinbox-ncgl-uk-2-0. Systems with this package installed are considered fully compromised and require immediate remediation.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- @gocortexio/npmgremlinbox-ncgl-uk-2-0
A malicious npm package @gocortexio/npmgremlinbox-ncgl-uk-2-0 was identified and published on GitHub's advisory database. The package contains malware that grants full control of affected systems to an outside entity.\n\nAny computer with this package installed or running should be considered fully compromised. The advisory recommends immediate rotation of all secrets and keys from a different, unaffected computer. While the package should be removed, complete remediation cannot be guaranteed due to the level of system compromise achieved by the malware.\n\nThe incident was disclosed on 2026-07-20 via GitHub's security advisory system.
Indicators of compromise
- Packages
- @gocortexio/npmgremlinbox-ncgl-uk-2-0
Remediation
- Immediately remove the @gocortexio/npmgremlinbox-ncgl-uk-2-0 package from all systems
- Rotate all secrets, API keys, and credentials from a different, unaffected computer
- Perform a full security audit and forensic analysis of any system that had this package installed
- Monitor affected systems for signs of persistent compromise or backdoors
- Review access logs and audit trails for unauthorized activity during the period the package was installed
- Consider full system reimaging if the package was installed on production or sensitive systems
Sources
- GitHub Advisory GHSA-cx55-w99m-rcx9 · GitHub Advisory Database
Cite this entry
"Malware in @gocortexio/npmgremlinbox-ncgl-uk-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-ncgl-uk-2-0-1dj9mi
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