Malware in n8n-nodes-mcputils
Malware was discovered in the npm package n8n-nodes-mcputils. Systems with this package installed or running are considered fully compromised, requiring immediate rotation of all secrets and keys from a different computer.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- n8n-nodes-mcputils
A malware incident was identified in the npm package n8n-nodes-mcputils. According to the GitHub Security Advisory (GHSA-rxc8-p2w2-g5jg), any computer with 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 system. While the package should be removed, the advisory notes that full control of the computer may have been given to an outside entity, meaning removal of the package alone may not eliminate all malicious software that resulted from the installation.\n\nThe incident was published on 2026-07-09 via the GitHub advisory system.
Indicators of compromise
- Packages
- n8n-nodes-mcputils
Remediation
- Immediately rotate all secrets, keys, and credentials from a different, uncompromised computer
- Remove the n8n-nodes-mcputils package from all affected systems
- Conduct a full security audit and forensic analysis of any system that had this package installed
- Monitor affected systems for signs of unauthorized access or persistence mechanisms
- Review and revoke any API keys, tokens, or credentials that may have been exposed
Sources
- GitHub Advisory GHSA-rxc8-p2w2-g5jg · GitHub Advisory Database
Cite this entry
"Malware in n8n-nodes-mcputils." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 9, 2026; last updated July 9, 2026. https://supplychainattack.org/incident/malware-in-n8n-nodes-mcputils-15dupa
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