Malware in @gocortexio/npmgremlinbox-lgpl-3-0
The npm package @gocortexio/npmgremlinbox-lgpl-3-0 contained malware that grants full system compromise to attackers. Any computer with this package installed should be considered fully compromised and all secrets and keys rotated immediately from a different machine.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- @gocortexio/npmgremlinbox-lgpl-3-0
A malicious npm package, @gocortexio/npmgremlinbox-lgpl-3-0, was published to the npm registry containing malware. According to the GitHub Security Advisory (GHSA-8cfc-7pm7-2wfg), 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 machine. 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, as the attacker may have gained full control of the system.\n\nUsers should treat any system that installed or ran this package as potentially containing persistent malware and take appropriate incident response measures.
Indicators of compromise
- Packages
- @gocortexio/npmgremlinbox-lgpl-3-0
Remediation
- Immediately remove the @gocortexio/npmgremlinbox-lgpl-3-0 package from all systems
- Rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Perform a full security audit and malware scan on any system that had this package installed
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider the affected system(s) as potentially compromised and plan for full rebuild or forensic analysis
- Check npm audit logs and dependency trees to identify all projects that may have depended on this package
Sources
- GitHub Advisory GHSA-8cfc-7pm7-2wfg · GitHub Advisory Database
Cite this entry
"Malware in @gocortexio/npmgremlinbox-lgpl-3-0." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 20, 2026; last updated July 20, 2026. https://supplychainattack.org/incident/malware-in-gocortexio-npmgremlinbox-lgpl-3-0-3ztks2
Suggest a correction
Found an error or have a newer source? Corrections to factual errors take priority over new entries.
Related incidents
- resolvedcritical
Malicious code in test2221 (npm)
The npm package test2221 version 2.2.4 was identified as malicious by the OpenSSF Package Analysis project. The package executes commands associated with malicious behavior.
npmCompromised package - containedcritical
Malware in n8n-nodes-trust-me-im-totally-safe
Malware was discovered in the npm package n8n-nodes-trust-me-im-totally-safe, resulting in full system compromise for any computer with the package installed or running. All secrets and keys on affected systems should be rotated immediately from a different computer.
npmCompromised package - activecritical
Malware in litespeed-cache
Malware discovered in the npm package litespeed-cache. The package grants full system compromise to attackers, requiring immediate removal and credential rotation from a clean system.
npmCompromised package - containedcritical
Malware in open-worker-cli
Malware was discovered in the npm package open-worker-cli. Systems with this package installed or running should be considered fully compromised, with all secrets and keys requiring immediate rotation from a different computer.
npmCompromised package