Malware in @gocortexio/npmgremlinbox-cal-1-0-combined-work-exception
Malware was distributed via the npm package @gocortexio/npmgremlinbox-cal-1-0-combined-work-exception, providing full system compromise to any computer with the package installed or running.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- @gocortexio/npmgremlinbox-cal-1-0-combined-work-exception
A malicious npm package named @gocortexio/npmgremlinbox-cal-1-0-combined-work-exception was published and distributed, containing malware that compromises any system on which it is installed or executed.
According to the GitHub Advisory (GHSA-vjjx-v6cg-9v97), any computer running this package should be considered fully compromised. The malware grants outside entities full control of the affected system.
Immediate remediation requires rotating all secrets and keys from a different, uncompromised computer. While the package should be removed, complete removal of all malicious artifacts cannot be guaranteed due to the level of system compromise achieved.
The package has been identified and removed from distribution, though systems that previously installed it remain at risk until fully remediated.
Indicators of compromise
- Packages
- @gocortexio/npmgremlinbox-cal-1-0-combined-work-exception
Remediation
- Immediately isolate any system that has installed or run this package from the network
- Rotate all secrets, API keys, credentials, and authentication tokens from a different, uncompromised computer
- Remove the package @gocortexio/npmgremlinbox-cal-1-0-combined-work-exception from all systems
- Perform a full forensic analysis and rebuild of affected systems from clean media
- Monitor for any unauthorized access or lateral movement from compromised systems
- Review logs and audit trails for any suspicious activity during the period the package was installed
Sources
- GitHub Advisory GHSA-vjjx-v6cg-9v97 · GitHub Advisory Database
Cite this entry
"Malware in @gocortexio/npmgremlinbox-cal-1-0-combined-work-exception." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 20, 2026; last updated July 20, 2026. https://supplychainattack.org/incident/malware-in-gocortexio-npmgremlinbox-cal-1-0-combined-work-exception-1m9gw7
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