CVE-2026-47786: Pre-Authentication Command Injection
- Is it exploited?
Not on CISA's list. CISA has not added it to the Known Exploited Vulnerabilities catalog as of . If CISA adds it, this page shows it as known exploited.
- How likely is exploitation in the next 30 days?
- 1.1%
EPSS score, percentile 64.8 of all scored records. A probability estimated by FIRST, not a report of exploitation.
- How severe?
- 9.3 Critical
CVSS v4.0 base score, given by the CNA
- What should I do?
We have already fixed the vulnerability in the following version: HybridDesk Station 4.2.23 and later HybridDesk Station 4.3.4 and laterSolution from the CVE record.
CISA has set no required action, because the vulnerability is not in KEV.
- Which versions are affected?
Affected
- from 4.2.x to before 4.2.23
- from 4.3.x to before 4.3.4
Source: CISA KEV 2026.10.28, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.
What to do
Solution (from the CVE record)
We have already fixed the vulnerability in the following version: HybridDesk Station 4.2.23 and later HybridDesk Station 4.3.4 and later
Advisories and patches
This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.
Affected products and versions
As listed in the CVE record.
| Status | Versions |
|---|---|
| Affected | from 4.2.x to before 4.2.23 |
| Affected | from 4.3.x to before 4.3.4 |
Versions not listed are: unaffected.
Source: CVE List, as of . About the data.
About this vulnerability
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
Summary: CVE record, as of .
- CISA has not added CVE-2026-47786 to its Known Exploited Vulnerabilities (KEV) catalog, as of 28 Oct 2026.
- The CVE record was published on 15 Oct 2026.
- The CVE record carries a CVSS v4.0 base score of 9.3 (Critical), given by its CNA.
- FIRST's EPSS model puts the probability of exploitation in the next 30 days at 1.1% (percentile 64.8), as of 29 Oct 2026. EPSS is a statistical estimate, not a report of exploitation.
- CISA's SSVC assessment in the CVE record: exploitation none, automatable yes, technical impact total.
Source: CISA KEV 2026.10.28, as of ; CVE List, as of ; FIRST EPSS, as of . About the data.
Description
Pre-Authentication Command Injection
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
Source: CVE List, as of . About the data.
Weakness
CWE-78, 1 CAPEC
Attack patterns (CAPEC)
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.
Timeline
| Date | Event |
|---|---|
| CVE record published |
Known exploited QNAP vulnerabilities
- CVE-2023-47565: QNAP VioStor NVR OS Command Injection Vulnerability
- CVE-2022-27593: QNAP Photo Station Externally Controlled Reference Vulnerability
- CVE-2019-7192: QNAP Photo Station Improper Access Control Vulnerability
- CVE-2019-7193: QNAP QTS Improper Input Validation Vulnerability
- CVE-2019-7194: QNAP Photo Station Path Traversal Vulnerability