CVE-2026-39454 — HIGH (7.8)

Q: How severe is CVE-2026-39454?

CVE-2026-39454 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-39454?

Check the references section above for vendor advisories and patch information. Affected products include: Skygroup Skymec It Manager, Skygroup Skysea Client View.

Vulnerability Description

SKYSEA Client View and SKYMEC IT Manager provided by Sky Co.,LTD. configure the installation folder with improper file access permission settings. A non-administrative user may manipulate and/or place arbitrary files within the installation folder of the product. As a result, arbitrary code may be executed with the administrative privilege.

CVSS Score

7.8

HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Skygroup	Skymec It Manager	<= 2024.005.10a
Skygroup	Skysea Client View	<= 21.200.07j

Related Weaknesses (CWE)

CWE-863 CWE-276

References

https://jvn.jp/en/jp/JVN63376363/Third Party Advisory
https://www.skyseaclientview.net/news/260420_01/Vendor Advisory

FAQ

What is CVE-2026-39454?

CVE-2026-39454 is a vulnerability with a CVSS score of 7.8 (HIGH). SKYSEA Client View and SKYMEC IT Manager provided by Sky Co.,LTD. configure the installation folder with improper file access permission settings. A non-administrative user may manipulate and/or place...

How severe is CVE-2026-39454?

CVE-2026-39454 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-39454?

Check the references section above for vendor advisories and patch information. Affected products include: Skygroup Skymec It Manager, Skygroup Skysea Client View.