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resolvedcritical

Malware in npm-sandbox-research-e9f0

Malware was discovered in the npm package npm-sandbox-research-e9f0. Any computer with this package installed or running should be considered fully compromised, requiring immediate rotation of all secrets and keys from a different system.

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Disclosed
Last updated
Blast radius
Any system with the package installed or running
Ecosystems
Attack vectors
Affected entities
  • npm-sandbox-research-e9f0

A malicious npm package named npm-sandbox-research-e9f0 was identified and published to the npm registry. The package contains malware that grants full control of an infected system to an outside entity.\n\nSystems with this package installed or running are considered fully compromised. All secrets, keys, and credentials stored on affected computers should be rotated immediately from a different, uncompromised system.\n\nWhile the package should be removed, complete removal of all malicious software cannot be guaranteed due to the level of system compromise. A full security audit and potential system rebuild may be necessary for affected systems.

Indicators of compromise

Packages
  • npm-sandbox-research-e9f0

Remediation

  • Immediately remove the npm-sandbox-research-e9f0 package from all systems
  • Rotate all secrets, keys, and credentials from a different, uncompromised computer
  • Conduct a full security audit of any system that had this package installed
  • Consider rebuilding affected systems from clean media
  • Monitor for signs of unauthorized access or persistence mechanisms
  • Review system logs for suspicious activity during the period the package was installed

Sources

  1. GitHub Advisory GHSA-76w8-rxxx-vjcg · GitHub Advisory Database

Cite this entry

"Malware in npm-sandbox-research-e9f0." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 18, 2026; last updated June 20, 2026. https://supplychainattack.org/incident/malware-in-npm-sandbox-research-e9f0-1q1p66

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