CVE-2025-31053: Quantumcloud Kbx Pro Ultimate

High severity, CVSS 7.7. EPSS: 0.5% chance of exploitation in the next 30 days.

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in quantumcloud KBx Pro Ultimate knowledgebase-helpdesk-pro allows Path Traversal.This issue affects KBx Pro Ultimate: from n/a through < 8.0.5.

Affected products

• Quantumcloud Kbx Pro Ultimate: up to and including 8.0.5

Published 2025-05-23. Last modified 2026-06-17.