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Malware in @hubsync/web-sdk-react

Malware discovered in the npm package @hubsync/web-sdk-react. 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
  • @hubsync/web-sdk-react

A malware-laden version of the npm package @hubsync/web-sdk-react has been identified and published to the npm registry. The package grants full control of affected systems to an outside entity.\n\nAny computer with this package installed or running should be considered fully compromised. All secrets, keys, and credentials stored on affected systems must be rotated immediately from a different, unaffected computer.\n\nWhile the malicious package should be removed, complete remediation cannot be guaranteed by removal alone, as the attacker may have established persistent access or additional malicious software on the compromised system.\n\nThe incident was disclosed via GitHub Advisory GHSA-4534-cw9p-7438 on 2026-08-04.

Indicators of compromise

Packages
  • @hubsync/web-sdk-react

Remediation

  • Immediately remove @hubsync/web-sdk-react from all systems
  • Rotate all secrets, keys, and credentials from a clean, unaffected computer
  • Perform a full security audit and malware scan of any system that had the package installed
  • Review system logs and network traffic for signs of unauthorized access or data exfiltration
  • Consider full system rebuild if compromise is confirmed
  • Monitor for any indicators of compromise or persistence mechanisms

Sources

  1. GitHub Advisory GHSA-4534-cw9p-7438 · GitHub Advisory Database

Cite this entry

"Malware in @hubsync/web-sdk-react." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed August 4, 2026; last updated August 4, 2026. https://supplychainattack.org/incident/malware-in-hubsync-web-sdk-react-1hy63f

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