CVE-2026-39997

High

Description

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

SeverityHigh

CVSS8.9

Exploit probability—

ProductHybridDesk Station

PublishedOct 15, 2026

First seenOct 15, 2026

Weakness typeCWE-306Missing authentication for critical function

How to fix

Update

QNAP Systems Inc. HybridDesk Station4.2.22 or later

Vendor advisories

qnap.com/en/app-release-notes?keyword=HybridDesk%20Station&app=HD_Station&product-line=nas

Affected products

Product	Affected versions	Fixed in
QNAP Systems Inc. HybridDesk Station	4.2.x ≤ v < 4.2.22	4.2.22

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