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Malware in @nebula.js/sn-listbox

Malware was discovered in the npm package @nebula.js/sn-listbox. 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
  • @nebula.js/sn-listbox

A malicious version of the npm package @nebula.js/sn-listbox was identified and published to the npm registry. The package contains malware that grants full control of affected systems to an outside entity.\n\nAny computer with this package installed or running should be considered fully compromised. The malware may have provided attackers with access to secrets, keys, and other sensitive data stored on affected systems.\n\nImmediate action is required: 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.

Indicators of compromise

Packages
  • @nebula.js/sn-listbox

Remediation

  • Immediately rotate all secrets and keys from a different, uncompromised computer
  • Remove the @nebula.js/sn-listbox package from all affected systems
  • Conduct a full security audit of any system that had this package installed
  • Monitor affected systems for signs of persistent compromise or lateral movement
  • Review access logs and network traffic from affected systems for indicators of compromise

Sources

  1. GitHub Advisory GHSA-rfr7-p954-4m4q · GitHub Advisory Database

Cite this entry

"Malware in @nebula.js/sn-listbox." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed August 4, 2026; last updated August 4, 2026. https://supplychainattack.org/incident/malware-in-nebula-js-sn-listbox-1rp8fq

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