Malware in fetchcraft
Malware discovered in the npm package fetchcraft. Systems with this package installed or running are considered fully compromised and require immediate remediation.
- Disclosed
- Last updated
- Blast radius
- Any system with fetchcraft installed or running
- Ecosystems
- Attack vectors
- Affected entities
- fetchcraft
The npm package fetchcraft has been identified as containing malware. According to the GitHub Advisory (GHSA-fg76-g9g4-9xpr), any computer with this package installed or running should be considered fully compromised.\n\nThe advisory recommends immediate action: all secrets and keys stored on affected computers should be rotated 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 compromise.\n\nThis represents a critical supply chain attack affecting all users of the fetchcraft npm package.
Indicators of compromise
- Packages
- fetchcraft
Remediation
- Immediately isolate any system with fetchcraft installed from the network
- Rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Remove the fetchcraft package from all affected systems
- Conduct a full forensic analysis of affected systems to identify any additional malware or persistence mechanisms
- Review all access logs and audit trails for systems that had fetchcraft installed
- Consider the affected systems as potentially fully compromised and plan for complete rebuild if critical systems are involved
Sources
- GitHub Advisory GHSA-fg76-g9g4-9xpr · GitHub Advisory Database
Cite this entry
"Malware in fetchcraft." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed August 19, 2026; last updated August 19, 2026. https://supplychainattack.org/incident/malware-in-fetchcraft-0ebhnt
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