CVE-2026-47786 Pre-Authentication Command Injection

Critical 9.3 Published Updated

Remote attackers can execute arbitrary commands via pre-authentication OS command injection in QNAP HybridDesk Station.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-47786?

CVE-2026-47786 is a critical command injection vulnerability in QNAP Systems Inc. HybridDesk Station, published on 15 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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

Weakness: CWE-78

Which versions are affected by CVE-2026-47786?

How do I fix CVE-2026-47786?

No fix has been published for CVE-2026-47786 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-47786 being exploited?

There is no known exploitation of CVE-2026-47786 in the wild and no public exploit code.

Sources

Also known as GHSA-m358-vx46-jcm4.

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