CVE-2026-81830 Path traversal in OpenVPN
Local authenticated users can bypass trusted configuration directory constraints in OpenVPN for Windows due to incorrect file path validation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-81830?
CVE-2026-81830 is a medium-severity path traversal vulnerability in OpenVPN, published on 7 Sep 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
The Windows interactive service in OpenVPN 2.4.0 through 2.6.22 allows local authenticated users to bypass the trusted configuration directory constraint via incorrect file path validation
Weakness: CWE-73
Which versions are affected by CVE-2026-81830?
How do I fix CVE-2026-81830?
No fix has been published for CVE-2026-81830 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-2026-81830 being exploited?
There is no known exploitation of CVE-2026-81830 in the wild and no public exploit code.
Sources
Also known as GHSA-69p7-7q3j-7ghq.