Malware in @gocortexio/npmgremlinbox-agpl-3-0-or-later
Malware was discovered in the npm package @gocortexio/npmgremlinbox-agpl-3-0-or-later. 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-agpl-3-0-or-later
A malicious npm package, @gocortexio/npmgremlinbox-agpl-3-0-or-later, was identified as containing malware. According to the GitHub advisory, any computer with this package installed or running should be considered fully compromised.
The advisory recommends immediate rotation of all secrets and keys stored on affected systems from a different, uncompromised computer. 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 package installation, given the potential for full system compromise.
This incident was disclosed on 2026-07-20 via GitHub's advisory system.
Indicators of compromise
- Packages
- @gocortexio/npmgremlinbox-agpl-3-0-or-later
Remediation
- Immediately isolate any system with this package installed from the network
- Rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Remove the @gocortexio/npmgremlinbox-agpl-3-0-or-later package
- Perform a full security audit and malware scan of affected systems
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider full system reimaging if compromise is confirmed
Sources
- GitHub Advisory GHSA-cf53-hv78-9ffv · GitHub Advisory Database
Cite this entry
"Malware in @gocortexio/npmgremlinbox-agpl-3-0-or-later." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 20, 2026; last updated July 20, 2026. https://supplychainattack.org/incident/malware-in-gocortexio-npmgremlinbox-agpl-3-0-or-later-4e5kza
Suggest a correction
Found an error or have a newer source? Corrections to factual errors take priority over new entries.
Related incidents
- activecritical
Malware in iot-kfh-s3
The npm package iot-kfh-s3 contains malware that grants full control of affected systems to an outside entity. Any computer with this package installed or running should be considered fully compromised.
npmCompromised package - containedcritical
Malware in lambda-cloudwatch-cdk
Malware was discovered in the npm package lambda-cloudwatch-cdk. Any computer with this package installed or running should be considered fully compromised, requiring immediate rotation of all secrets and keys from a different system.
npmCompromised package - containedcritical
Malware in s3-lambda-dynamodb-cdk
Malware was discovered in the npm package s3-lambda-dynamodb-cdk. Any computer with this package installed or running should be considered fully compromised, requiring immediate rotation of all secrets and keys from a different system.
npmCompromised package - containedcritical
Malware in lwc-slds-lbc
Malware was discovered in the npm package lwc-slds-lbc, resulting in full system compromise for any computer with the package installed or running. The advisory recommends immediate removal of the package and rotation of all secrets and keys from a different computer.
npmCompromised package