Vulnerability · Published Sep 7, 2026 · Assigned by OpenVPN
CVE-2026-84226
High 8.5
In plain English
A high-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 0.1% (higher than 4% of all known vulnerabilities).
Severity (CVSS 4.0)8.5High
Exploit odds (30 days)0.1%top 96.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:22.04:LTS | openvpn | no fix listed | UBUNTU-CVE-2026-84226 |
| Ubuntu:24.04:LTS | openvpn | no fix listed | UBUNTU-CVE-2026-84226 |
| Ubuntu:26.04:LTS | openvpn | no fix listed | UBUNTU-CVE-2026-84226 |
Affected products (as reported)
Weakness: CWE-426 · Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N