CVE-2026-39454

HighCVSS 8.5/10Last modified Oct 26, 2026

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.

Metrics

CVSS 4.0 8.5/10

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weakness enumeration

CWE-276 CWE-863

Affected software

Vendor	Product	Versions
Sky Co.,LTD.	SKYSEA Client View	Ver.21.200.07j and earlier
Sky Co.,LTD.	SKYMEC IT Manager	Ver.2024.005.10a and earlier

References

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

Timeline

Published: Apr 20, 2026
Last modified: Oct 26, 2026
NVD status: Analyzed

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