Malicious code in vfat-tools (npm)
The npm package vfat-tools version 2.0.0 was identified as malicious by the OpenSSF Package Analysis project. The package communicates with a domain associated with malicious activity.
- Disclosed
- Last updated
- Blast radius
- All npm users who installed vfat-tools version 2.0.0
- Ecosystems
- Attack vectors
- Affected entities
- vfat-tools · 2.0.0
The OpenSSF Package Analysis project identified vfat-tools version 2.0.0 on npm as containing malicious code. The malicious behavior was detected through analysis of the package's network communications.
The package was flagged because it communicates with a domain associated with malicious activity, indicating potential data exfiltration, command-and-control communication, or other malicious intent.
This incident was disclosed on 2026-07-27 and cataloged in the OpenSSF malicious packages repository. The affected version is 2.0.0.
Indicators of compromise
- Packages
- vfat-tools@2.0.0
Remediation
- Remove vfat-tools version 2.0.0 from all systems and projects
- Audit any systems that installed or executed vfat-tools 2.0.0 for signs of compromise
- Review network logs for connections to the malicious domain associated with this package
- Update package.json and lock files to remove the dependency on vfat-tools 2.0.0
- Consider using alternative packages for vfat functionality if available
Sources
- GitHub Advisory GHSA-mxq3-vfh7-9h3j · GitHub Advisory Database
Cite this entry
"Malicious code in vfat-tools (npm)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 27, 2026; last updated July 27, 2026. https://supplychainattack.org/incident/malicious-code-in-vfat-tools-npm-dp78e3
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