Malware in @gocortexio/npmgremlinbox-base
Malware was discovered in the npm package @gocortexio/npmgremlinbox-base. Systems with this package installed or running should be considered fully compromised, requiring immediate rotation of all secrets and keys from a separate, unaffected computer.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- @gocortexio/npmgremlinbox-base
A malicious npm package @gocortexio/npmgremlinbox-base 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 executed this package should be considered fully compromised. All secrets, keys, and credentials stored on affected systems must be rotated immediately from a different, unaffected computer.\n\nWhile the package should be removed, complete removal of all malicious artifacts cannot be guaranteed due to the level of system compromise. A thorough security review and potential system rebuild may be necessary for affected environments.
Indicators of compromise
- Packages
- @gocortexio/npmgremlinbox-base
Remediation
- Immediately remove the @gocortexio/npmgremlinbox-base package from all systems
- Rotate all secrets, API keys, credentials, and authentication tokens from a separate, unaffected computer
- Conduct a full security audit of any system that had this package installed
- Consider rebuilding affected systems from clean media if full compromise is suspected
- Review npm audit logs and dependency trees to identify all affected projects and deployments
- Monitor affected systems for signs of unauthorized access or persistence mechanisms
Sources
- GitHub Advisory GHSA-9qqm-p44x-pmh6 · GitHub Advisory Database
Cite this entry
"Malware in @gocortexio/npmgremlinbox-base." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 20, 2026; last updated July 20, 2026. https://supplychainattack.org/incident/malware-in-gocortexio-npmgremlinbox-base-vyxqu6
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