---
id: CVE-2026-81830
title: >-
  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
summary: >-
  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
severity: medium
cvss: 5.6
cvssVector: 'CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N'
cwe:
  - CWE-73
vendor: OpenVPN
product: OpenVPN
affected:
  - OpenVPN >= 2.4.0 <= 2.6.22
published: '2026-09-07'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T19:07:52.113'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-81830'
references:
  - url: 'https://community.openvpn.net/Security%20Announcements/CVE-2026-81830'
    label: security@openvpn.net
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-81830.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-81830'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-81830'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-81830'
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
epss: 0.00151
epssPercentile: 0.03598
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-08T14:55:36.157046Z'
cvssSource: cna
scores:
  cna: 5.6
  vendor: 5.5
ingestedAt: '2026-09-08T15:33:26.975Z'
---

## Overview

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

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **Red Hat VEX** · updated 2026-09-07 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-81830.json)