Malware in @gocortexio/npmgremlinbox-busl-1-1
The npm package @gocortexio/npmgremlinbox-busl-1-1 contains malware that grants full system compromise to attackers. All systems with this package installed should be 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-busl-1-1
A malicious npm package @gocortexio/npmgremlinbox-busl-1-1 was identified containing malware. According to the GitHub advisory, any computer with this package installed or running should be considered fully compromised, with potential for complete system takeover by an external entity.\n\nThe malware poses a critical risk to all secrets, keys, and sensitive data stored on affected systems. While the package can 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.\n\nAffected users must assume full system compromise and take immediate defensive action.
Indicators of compromise
- Packages
- @gocortexio/npmgremlinbox-busl-1-1
Remediation
- Immediately remove the @gocortexio/npmgremlinbox-busl-1-1 package from all systems
- Rotate all secrets, API keys, credentials, and authentication tokens from a clean, unaffected computer
- Perform a full security audit and malware scan of all affected systems
- 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
- Audit npm dependencies in all projects to ensure no other malicious packages are present
Sources
- GitHub Advisory GHSA-x724-cv8r-x29f · GitHub Advisory Database
Cite this entry
"Malware in @gocortexio/npmgremlinbox-busl-1-1." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 20, 2026; last updated July 20, 2026. https://supplychainattack.org/incident/malware-in-gocortexio-npmgremlinbox-busl-1-1-1ybf04
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