QNAP Systems HybridDesk Station Os Command Injection Flaw (CVE-2026-47786) Rated CVSS 9.3
A newly published critical vulnerability in QNAP Systems HybridDesk Station carries a CVSS score of 9.3. Here is what is affected and how to respond.
Key points
- CVE-2026-47786 affects QNAP Systems HybridDesk Station.
- CVSS 9.3 (Critical).
- No exploitation confirmed yet.
A critical OS command injection tracked as CVE-2026-47786 has been published in the National Vulnerability Database for QNAP Systems HybridDesk Station, with a CVSS base score of 9.3.
At a glance
- CVE
- CVE-2026-47786
- Product
- QNAP Systems HybridDesk Station
- CVSS
- 9.3 Critical
- Weakness
- OS command injection
- Exploited
- No known exploitation
What is the vulnerability?
The NVD entry states: 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 versions
| Vendor | Product | Versions |
|---|---|---|
| Qnap Systems Inc. | HybridDesk Station | before 4.2.23, before 4.3.4 |
Is it being exploited?
There is no public confirmation of exploitation at the time of publication. It does not appear in CISA's Known Exploited Vulnerabilities catalog. We will update this report if that changes.
What should you do?
- Identify whether the affected product and versions run in your environment.
- Apply the vendor update listed in the advisory as soon as it is available.
- Limit network exposure of the affected service until it is patched.
- Monitor the vendor advisory for updated guidance or exploitation reports.
What to do and how to stay safe: CVE-2026-47786
- Vulnerability severity scores ignore your specific architecture and context.
- Exploitability depends on network exposure and user behavior, not just code flaws.
- Prioritization requires continuous asset inventory and threat intelligence alignment.
Risk-based vulnerability management focuses your limited resources on the flaws that actually threaten your business. Start by mapping your critical assets and checking for active exploits to prioritize your backlog.
Step-by-step guide: Risk-Based Vulnerability Management: Prioritize Fixes by Actual Danger
General security guidance from the Threat Times newsroom. It is not confirmed advice from the organisations named in this story.
Frequently asked questions
What is CVE-2026-47786?
CVE-2026-47786 is a OS command injection vulnerability in QNAP Systems HybridDesk Station.
How severe is CVE-2026-47786?
It has a CVSS score of 9.3 Critical.
Is CVE-2026-47786 being exploited?
There is no public confirmation of exploitation at the time of publication.
