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containedcritical

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

Malware was distributed via the npm package @gocortexio/npmgremlinbox-cc-by-sa-3-0-de. Systems with this package installed are considered fully compromised and require immediate remediation.

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

A malicious npm package named @gocortexio/npmgremlinbox-cc-by-sa-3-0-de was identified and published to the npm registry. The package contains malware that grants full control of affected systems to an outside entity.\n\nAny computer with this package installed or running should be considered fully compromised. The advisory recommends immediate rotation of all secrets and keys from a different, uncompromised computer. While the package should be removed, complete removal of all malicious software cannot be guaranteed due to the level of system compromise.\n\nThe incident was disclosed via GitHub Security Advisory GHSA-g2mp-g3q3-7rx3 on 2026-07-20.

Indicators of compromise

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

Remediation

  • Immediately identify all systems with @gocortexio/npmgremlinbox-cc-by-sa-3-0-de installed
  • Rotate all secrets, API keys, and credentials from a different, uncompromised computer
  • Remove the package from all affected systems
  • Perform forensic analysis to detect any additional malicious software installed as a result of the compromise
  • Monitor affected systems for signs of unauthorized access or data exfiltration
  • Consider full system reimaging if the extent of compromise cannot be determined

Sources

  1. GitHub Advisory GHSA-g2mp-g3q3-7rx3 · GitHub Advisory Database

Cite this entry

"Malware in @gocortexio/npmgremlinbox-cc-by-sa-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-sa-3-0-de-yt8q2l

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