Missing authorization in SKYSEA Client View
Priority LOW 38CWE-862Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
A missing authorization vulnerability exists in SKYSEA Client View and SKYMEC IT Manager. If this vulnerability is exploited, an attacker who can log in to the Windows system on which the affected product is installed may execute arbitrary code with SYSTEM privilege.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00161 5th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Sky Co., LTD. | SKYSEA Client View | up to Ver.21.210.01f | — | No fix listed | CNA |
| Sky Co., LTD. | SKYMEC IT Manager | 2023.225.03a; 2024.005.10a | — | No fix listed | CNA |
- SKYSEA Client View VendorSky Co., LTD. Affected up to Ver.21.210.01f Fixed in — No fix listed CNA
- SKYMEC IT Manager VendorSky Co., LTD. Affected 2023.225.03a; 2024.005.10a Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-66109
- 2026-10-03 Alias added: GHSA-w323-mx8p-gxh5
More Sky Co., LTD. vulnerabilities
- TI-2016-06585 Improper authentication in SKYSEA Client View KEVCVSS 3.1CRITICAL 9.8
- TI-2026-48955 Incorrect default permissions in SKYSEA Client View CVSS 4.0HIGH 8.5
- TI-2026-28430 Incorrect default permissions in SKYSEA Client View CVSS 4.0HIGH 8.5
- TI-2024-27785 Path traversal in SKYSEA Client View CVSS 3.1HIGH 7.5
- TI-2024-14484 Improper access control in SKYSEA Client View CVSS 3.1HIGH 7.8
- TI-2024-27490 Incorrect privilege assignment vulnerability exists in SKYSEA Client View Ver.6.010.06 to… CVSS 3.1HIGH 7.8
Sources
- CVE-2026-66109 · CVE Program
- CVE-2026-66109 · NVD
- FIRST EPSS
- GHSA-w323-mx8p-gxh5 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences