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Malware in pkg-telemetry-r4f9

Malware discovered in the npm package pkg-telemetry-r4f9. 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
  • pkg-telemetry-r4f9

A malicious npm package named pkg-telemetry-r4f9 has been identified as containing malware. Any computer with this package installed or running should be considered fully compromised.\n\nThe malware grants full control of affected systems to an outside entity. All secrets and keys stored on compromised computers should be rotated immediately from a different, unaffected system.\n\nWhile the package should be removed, complete removal of all malicious software cannot be guaranteed due to the level of system compromise. Additional forensic analysis and remediation beyond package removal may be necessary.

Indicators of compromise

Packages
  • pkg-telemetry-r4f9

Remediation

  • Immediately remove the pkg-telemetry-r4f9 package from all systems
  • Rotate all secrets, API keys, and credentials from a different, unaffected computer
  • Assume full system compromise and conduct forensic analysis
  • Review system logs for unauthorized access or activity
  • Consider full system rebuild or replacement if critical infrastructure is affected
  • Scan systems for additional malware or persistence mechanisms

Sources

  1. GitHub Advisory GHSA-755p-5wm7-4qg5 · GitHub Advisory Database

Cite this entry

"Malware in pkg-telemetry-r4f9." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 18, 2026; last updated June 20, 2026. https://supplychainattack.org/incident/malware-in-pkg-telemetry-r4f9-660133

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