CVE-2026-47786: CWE-78 in QNAP Systems Inc. HybridDesk Station
Description
An OS command injection vulnerability has been reported to affect HybridDesk Station. If exploited, the vulnerability could allow remote attackers to execute arbitrary commands. We have already fixed the vulnerability in the following version: HybridDesk Station 4.2.23 and later HybridDesk Station 4.3.4 and later
CVSS v4.0
Score 9.3critical
Affected software
QNAP Systems Inc.
HybridDesk Station
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
An OS command injection vulnerability (CWE-78) exists in QNAP HybridDesk Station, enabling unauthenticated remote attackers to execute arbitrary commands. The vulnerability affects versions from 4.2.x up to but not including 4.2.23, and from 4.3.x up to but not including 4.3.4. The CVSS 4.0 base score is 9.3, indicating critical severity with network attack vector, no required privileges or user interaction, and high impact on confidentiality, integrity, and availability. The vendor has released fixed versions 4.2.23 and 4.3.4 to address this issue.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary OS commands on the affected HybridDesk Station system, potentially leading to full system compromise. The vulnerability requires no privileges or user interaction, making it highly exploitable over the network. This can result in complete loss of confidentiality, integrity, and availability of the affected device.
Mitigation Recommendations
Upgrade HybridDesk Station to version 4.2.23 or later, or 4.3.4 or later, where the vulnerability has been fixed. No other mitigations are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- qnap
- Date Reserved
- 2026-05-20T07:19:15.800Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ad0a18d2cdf04f65621d7b0
Added to database: 10/15/2026, 09:49:01 UTC
Last enriched: 10/15/2026, 10:03:29 UTC
Last updated: 10/15/2026, 19:00:27 UTC
Views: 15
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