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Malware in carousel-controller-mixin

Malware discovered in the npm package carousel-controller-mixin. The package grants full control of affected systems to an outside entity, requiring immediate removal and credential rotation from a clean machine.

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Disclosed
Last updated
Blast radius
Any system with the package installed or running
Ecosystems
Attack vectors
Affected entities
  • carousel-controller-mixin

A critical malware incident was identified in the npm package carousel-controller-mixin. According to the GitHub Advisory (GHSA-cm93-hx95-m69r), any computer with this package installed or running should be considered fully compromised.\n\nThe advisory recommends that all secrets and keys stored on affected computers be rotated immediately from a different, uncompromised machine. While the package should be removed, the advisory notes that full control of the computer may have been given to an outside entity, meaning removal of the package alone may not eliminate all malicious software that resulted from the installation.\n\nThis represents a critical supply chain attack through a compromised npm package with severe implications for system integrity and security.

Indicators of compromise

Packages
  • carousel-controller-mixin

Remediation

  • Immediately remove the carousel-controller-mixin package from all systems
  • Rotate all secrets, keys, and credentials from a clean, uncompromised computer
  • Assume full system compromise and conduct forensic analysis
  • Review system logs for unauthorized access or activity
  • Consider full system rebuild if the package was installed on production or sensitive systems
  • Monitor for any indicators of compromise or persistence mechanisms

Sources

  1. GitHub Advisory GHSA-cm93-hx95-m69r · GitHub Advisory Database

Cite this entry

"Malware in carousel-controller-mixin." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 23, 2026; last updated June 23, 2026. https://supplychainattack.org/incident/malware-in-carousel-controller-mixin-1skko0

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