CVE-2026-39454 Privilege escalation in SKYMEC IT Manager

High 8.5 Published Updated

A local attacker can exploit improper file permissions to execute arbitrary code with administrative privileges in SKYSEA Client View and SKYMEC IT Manager.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-39454?

CVE-2026-39454 is a high-severity vulnerability in SKYMEC IT Manager, published on 20 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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: CWE-863, CWE-276

Which versions are affected by CVE-2026-39454?

It affects 2 products.

Products include Skygroup Skymec It Manager, Skygroup Skysea Client View.

How do I fix CVE-2026-39454?

No fix has been published for CVE-2026-39454 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-39454 being exploited?

There is no known exploitation of CVE-2026-39454 in the wild and no public exploit code.

Sources

Also known as GHSA-3224-28wc-whrh.

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