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.
Published: 2026-10-22
Score: 6.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 22 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Thu, 22 Oct 2026 11:00:00 +0000

Type Values Removed Values Added
Title Certificate Validation Bypass in OpenVPN 3 Core Library

Thu, 22 Oct 2026 09:30:00 +0000

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'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: OpenVPN

Published:

Updated: 2026-10-22T13:37:47.238Z

Reserved: 2026-10-06T12:40:09.216Z

Link: CVE-2026-106017

cve-icon Vulnrichment

Updated: 2026-10-22T13:32:56.205Z

cve-icon NVD

Status : Received

Published: 2026-10-22T10:17:07.887

Modified: 2026-10-22T14:17:36.870

Link: CVE-2026-106017

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-22T10:45:04Z

Weaknesses