CVE-2026-44468 Incorrect Default Permissions in CODESYS Development System

High 8.5 Published 26 May 2026 Updated 26 May 2026

A local attacker can escalate privileges by modifying insecurely permissioned temporary files during installation, allowing arbitrary component deployment.

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-2026-44468?

CVE-2026-44468 is a high-severity vulnerability in CODESYS Development System, published on 26 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The affected product creates a directory with insecure default permissions during administrative installation. This allows a low-privileged local attacker to modify a temporary file defining the components to be installed, enabling local privilege escalation by forcing the deployment of arbitrary components.

Weakness: CWE-276

Which versions are affected by CVE-2026-44468?

It affects 1 product.

Products include Codesys Development System.

How do I fix CVE-2026-44468?

No fix has been published for CVE-2026-44468 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-44468 being exploited?

There is no known exploitation of CVE-2026-44468 in the wild and no public exploit code.

Sources

Also known as GHSA-x347-p9xc-q762.