CVE-2026-106017

Certificate Validation Bypass in OpenVPN 3 Core Library

Published Oct 22, 2026 CVSS 4.0 · 6.3 Medium EPSS < 1% KEV · Not listed
Description
Improper certificate validation in the OpenVPN 3 Core library version 3.4 through 3.11.7 allows attackers to circumvent extended key usage restrictions.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Openvpn
Openvpn openvpn 3
Vendors & Products Openvpn
Openvpn openvpn 3
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Certificate Validation Bypass in OpenVPN 3 Core Library
Type Values Removed Values Added
Description Improper certificate validation in the OpenVPN 3 Core library version 3.4 through 3.11.7 allows attackers to circumvent extended key usage restrictions.
Weaknesses CWE-295
References
Metrics cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:U'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
OpenVPN
Published
Updated
Oct 22, 2026, 1:37 PM
Reserved
Oct 6, 2026, 12:40 PM
Status
Awaiting Analysis
Published
Oct 22, 2026, 10:17 AM
Modified
Oct 22, 2026, 3:25 PM