Vulnerability · Published Oct 15, 2026 · Assigned by qnap
CVE-2026-47786Pre-Authentication Command Injection
Critical 9.3
In plain English
A critical-severity OS command injection in HybridDesk Station from QNAP Systems Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities).
Severity (CVSS 4.0)9.3Critical
Exploit odds (30 days)1.1%top 35.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| QNAP Systems Inc. | HybridDesk Station | 4.2.x – before 4.2.234.3.x – before 4.3.4 |
Weakness: CWE-78 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N