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Malware in node-fetch-core

Malware was discovered in the npm package node-fetch-core. 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 node-fetch-core installed or running
Ecosystems
Attack vectors
Affected entities
  • node-fetch-core

A malware incident was identified in the npm package node-fetch-core, published via GitHub Advisory GHSA-jw4q-3q2m-r329 on July 30, 2026.\n\nAccording to the advisory, any computer with this package installed or running should be considered fully compromised. The malware grants outside entities full control of affected systems.\n\nImmediate remediation requires rotating 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\nUsers should assume that removing the package alone is insufficient to fully remediate the compromise.

Indicators of compromise

Packages
  • node-fetch-core

Remediation

  • Immediately rotate all secrets, keys, and credentials from a different, uncompromised computer
  • Remove the node-fetch-core package from all affected systems
  • Conduct a full security audit and forensic analysis 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 systems are involved

Sources

  1. GitHub Advisory GHSA-jw4q-3q2m-r329 · GitHub Advisory Database

Cite this entry

"Malware in node-fetch-core." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 30, 2026; last updated July 30, 2026. https://supplychainattack.org/incident/malware-in-node-fetch-core-1dvnwg

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