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resolvedcritical

Malware in @gocortexio/npmgremlinbox-epl-2-0

Malware was discovered in the npm package @gocortexio/npmgremlinbox-epl-2-0. Systems with this package installed or running should be considered fully compromised, requiring immediate rotation of all secrets and keys from a separate computer.

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Disclosed
Last updated
Blast radius
Any system with the package installed or running
Ecosystems
Attack vectors
Affected entities
  • @gocortexio/npmgremlinbox-epl-2-0

A malicious npm package, @gocortexio/npmgremlinbox-epl-2-0, was identified as containing malware. According to the GitHub advisory, any computer with this package installed or running should be considered fully compromised.\n\nImmediate remediation is critical: all secrets and keys stored on affected computers must 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 package's execution, given the potential for full system compromise.\n\nThe advisory was published on 2026-07-20 via GitHub's security advisory system.

Indicators of compromise

Packages
  • @gocortexio/npmgremlinbox-epl-2-0

Remediation

  • Immediately rotate all secrets, API keys, and credentials from a separate, uncompromised computer
  • Remove the @gocortexio/npmgremlinbox-epl-2-0 package from all affected systems
  • Perform a full security audit and malware scan of any system that had this package installed or running
  • 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

Sources

  1. GitHub Advisory GHSA-pcgm-v58j-9h83 · GitHub Advisory Database

Cite this entry

"Malware in @gocortexio/npmgremlinbox-epl-2-0." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 20, 2026; last updated July 20, 2026. https://supplychainattack.org/incident/malware-in-gocortexio-npmgremlinbox-epl-2-0-hfwla1

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