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containedcritical

Malware in @gocortexio/npmgremlinbox-cc-by-nc-nd-3-0-de

The npm package @gocortexio/npmgremlinbox-cc-by-nc-nd-3-0-de contains malware that grants full system compromise to an outside entity. Any computer with this package installed or running should be considered fully compromised.

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Last updated
Blast radius
Any system with the package installed or running
Ecosystems
Attack vectors
Affected entities
  • @gocortexio/npmgremlinbox-cc-by-nc-nd-3-0-de

A malicious npm package, @gocortexio/npmgremlinbox-cc-by-nc-nd-3-0-de, was published and distributed via the npm registry. The package contains malware that provides complete system compromise to an attacker.\n\nAccording to the GitHub Security Advisory, any computer that has this package installed or running should be considered fully compromised. The malware grants an outside entity full control of the affected system.\n\nImmediate remediation requires rotating all secrets and keys 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 initial compromise, given the level of system access the malware provides.\n\nThe advisory was published on 2026-07-20 via GitHub's security advisory system.

Indicators of compromise

Packages
  • @gocortexio/npmgremlinbox-cc-by-nc-nd-3-0-de

Remediation

  • Immediately rotate all secrets, keys, and credentials from a different, uncompromised computer
  • Remove the package @gocortexio/npmgremlinbox-cc-by-nc-nd-3-0-de from all affected systems
  • Perform a full security audit and malware scan of 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 fully compromised and plan for complete rebuild if critical infrastructure

Sources

  1. GitHub Advisory GHSA-433g-ghwg-9crw · GitHub Advisory Database

Cite this entry

"Malware in @gocortexio/npmgremlinbox-cc-by-nc-nd-3-0-de." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 20, 2026; last updated July 20, 2026. https://supplychainattack.org/incident/malware-in-gocortexio-npmgremlinbox-cc-by-nc-nd-3-0-de-12d09d

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