QNAP HybridDesk Station up to 4.2.22/4.3.3 os command injection

Summaryinfo

A vulnerability was found in QNAP HybridDesk Station up to 4.2.22/4.3.3 and classified as very critical. This issue affects some unknown processing. Such manipulation leads to os command injection. This vulnerability is listed as CVE-2026-47786. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in QNAP HybridDesk Station up to 4.2.22/4.3.3. It has been rated as very critical. Affected by this issue is an unknown code. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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

The advisory is available at qnap.com. This vulnerability is handled as CVE-2026-47786 since 05/20/2026. The exploitation is known to be easy. The attack may be launched remotely. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/15/2026). This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

Upgrading to version 4.2.23 or 4.3.4 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• QNAP

Name

• HybridDesk Station

Version

• 4.2.0
• 4.2.1
• 4.2.2
• 4.2.3
• 4.2.4
• 4.2.5
• 4.2.6
• 4.2.7
• 4.2.8
• 4.2.9
• 4.2.10
• 4.2.11
• 4.2.12
• 4.2.13
• 4.2.14
• 4.2.15
• 4.2.16
• 4.2.17
• 4.2.18
• 4.2.19
• 4.2.20
• 4.2.21
• 4.2.22
• 4.3.0
• 4.3.1
• 4.3.2
• 4.3.3

License

• commercial

Website

• Vendor: https://www.qnap.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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