CVE-2026-39454

HIGH
MEDIUM Priority: 0.01 BB Relevance: 42/100
Published: 2026-04-20 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Low Complexity No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Local
AC: Low
PR: Low
UI: None
S: X
AT: None
VC: High
VI: High
VA: High

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.

Weakness Classification (2)

Affected Software (2)

VendorProductVersion
skygroup skymec_it_manager < 2024.005.10a
skygroup skysea_client_view < 21.200.07j

References & Advisories (2)

https://jvn.jp/en/jp/JVN63376363/
Third Party Advisory

Bug Bounty Relevance

42 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

8.5 / 10.0 v4.0
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

EPSS — Exploitation Probability

0.11%
Raw Score 0.001120
Percentile 1.3%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00112
2026-10-28
0.00112

Intelligence Sources

nvd ref →