Malware in @gocortexio/npmgremlinbox-cpol-1-02
The npm package @gocortexio/npmgremlinbox-cpol-1-02 contained malware that grants full system compromise to attackers. Any system with this package installed should be considered fully compromised and all secrets and keys rotated immediately.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- @gocortexio/npmgremlinbox-cpol-1-02
A malicious npm package @gocortexio/npmgremlinbox-cpol-1-02 was published 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 attacker may have gained full control of the system.\n\nThis incident was disclosed via GitHub's advisory system on 2026-07-20.
Indicators of compromise
- Packages
- @gocortexio/npmgremlinbox-cpol-1-02
Remediation
- Immediately identify all systems with @gocortexio/npmgremlinbox-cpol-1-02 installed
- Rotate all secrets, API keys, credentials, and signing keys from a clean, uncompromised system
- Remove the package from all affected systems
- Perform forensic analysis to detect any additional malicious software installed during the compromise
- Monitor affected systems for suspicious activity and consider full reimaging if compromise is confirmed
- Review access logs and audit trails for any unauthorized activity during the period the package was installed
Sources
- GitHub Advisory GHSA-j2jx-hj5v-jx3v · GitHub Advisory Database
Cite this entry
"Malware in @gocortexio/npmgremlinbox-cpol-1-02." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 20, 2026; last updated July 20, 2026. https://supplychainattack.org/incident/malware-in-gocortexio-npmgremlinbox-cpol-1-02-19uhsh
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