OpenVPN vulnerabilities: known CVEs & security history
OpenVPN · Network security · 11 tracked CVEs · 0 actively exploited · updated September 2026 · what is a CVE? →
This is the full list of known vulnerabilities (CVEs) across all OpenVPN release lines — 11 in total. A CVE here doesn't mean your version is affected — check OpenVPN's current status and the safe version to run.
Known OpenVPN CVEs
Actively-exploited and most-severe first. Open any CVE for full details.
| CVE | Severity | CVSS | EPSS | Year |
|---|---|---|---|---|
| CVE-2023-46850 | critical | 9.8 | 2% | 2023 |
| CVE-2026-13379 | critical | 9.1 | 0% | 2026 |
| CVE-2026-13117 | high | 8.1 | 0% | 2026 |
| CVE-2026-12996 | high | 8.1 | 0% | 2026 |
| CVE-2026-12932 | high | 8.1 | 0% | 2026 |
| CVE-2026-11771 | high | 7.5 | 0% | 2026 |
| CVE-2026-13698 | high | 7.5 | 1% | 2026 |
| CVE-2026-40215 | high | 7.4 | 0% | 2026 |
| CVE-2026-11604 | medium | 6.5 | 0% | 2026 |
| CVE-2026-35058 | medium | 6.5 | 0% | 2026 |
| CVE-2026-13122 | medium | 5.3 | 0% | 2026 |
Is my OpenVPN version affected?
The list above spans every release. To know whether your version is affected — and the minimum safe version to upgrade to — check it directly.
Check your OpenVPN version → · Monitor OpenVPN for new CVEs →
OpenVPN vulnerabilities — frequently asked
How many known vulnerabilities does OpenVPN have?
IsItPatched tracks 11 CVEs for OpenVPN. 2 are critical-severity and 6 high-severity. These span every release line — what matters is whether the version you run is affected.
Does OpenVPN have any actively-exploited vulnerabilities?
None of OpenVPN's tracked CVEs are currently in CISA's KEV catalog — but new ones can be added at any time, so keep your version current.
What is the most severe OpenVPN vulnerability?
Among tracked issues, CVE-2023-46850 (CRITICAL, CVSS 9.8) ranks highest — a Use-after-free weakness.
Is OpenVPN safe to use?
It depends on the version. The latest supported OpenVPN release clears the known issues; older versions may still be affected. Check the exact version you run for a verdict.
CVE data aggregated from NVD, CISA KEV and EPSS (FIRST.org). Related: OpenVPN security status · OpenVPN end-of-life · actively-exploited CVEs. Always verify against OpenVPN's advisories — see our disclaimer.