CVE-2026-84226 Path traversal in OpenVPN

High 8.5 Published Updated

Local authenticated users can execute arbitrary code via binary planting during network configuration on Windows.

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-2026-84226?

CVE-2026-84226 is a high-severity path traversal vulnerability in OpenVPN, published on 7 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

OpenVPN version 2.5.0 through 2.6.22 and 2.7_alpha1 through 2.7.6 on Windows allows local authenticated users to perform a binary planting attack during network configuration steps

Weakness: CWE-426

Which versions are affected by CVE-2026-84226?

How do I fix CVE-2026-84226?

No fix has been published for CVE-2026-84226 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-84226 being exploited?

There is no known exploitation of CVE-2026-84226 in the wild and no public exploit code.

Sources

Also known as GHSA-hg4r-p3wj-49qf.

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