CVE-2026-39997: QNAP Systems Inc Hybriddesk Station

High severity, CVSS 8.9. EPSS: 0.2% chance of exploitation in the next 30 days.

A missing authentication for critical function vulnerability has been reported to affect HybridDesk Station. If exploited, the vulnerability could allow remote attackers to gain access to the system. We have already fixed the vulnerability in the following version: HybridDesk Station 4.2.22 and later

Affected products

• QNAP Systems Inc Hybriddesk Station: from 4.2, before 4.2.22 (fixed in 4.2.22)

Published 2026-10-15. Last modified 2026-10-15.