Vulnerability · Published Sep 7, 2026 · Assigned by OpenVPN
CVE-2026-81830
Medium 5.6
In plain English
A medium-severity security flaw in OpenVPN from OpenVPN. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 4% of all known vulnerabilities).
Severity (CVSS 4.0)5.6Medium
Exploit odds (30 days)0.2%top 95.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:22.04:LTS | openvpn | no fix listed | UBUNTU-CVE-2026-81830 |
| Ubuntu:24.04:LTS | openvpn | no fix listed | UBUNTU-CVE-2026-81830 |
| Ubuntu:26.04:LTS | openvpn | no fix listed | UBUNTU-CVE-2026-81830 |
Affected products (as reported)
Weakness: CWE-73 · Vector: 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