OpenVPN 2.7_alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified by ignoring the configured X.509 username identity lookup field

Metrics

Attack Vector Network

Attack Complexity High

Privileges Required Low

Attack Requirements Present

User Interaction Active

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Openvpn Subscribe
Openvpn Subscribe

No data.

No data.

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Vendors Products
Openvpn Subscribe
Openvpn Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://community.openvpn.net/ReleaseHistory#openvpn-276-released-5-august-2026 cve-icon cve-icon
https://community.openvpn.net/Security%20Announcements/CVE-2026-63650 cve-icon cve-icon
History

Sat, 15 Aug 2026 00:15:00 +0000

Type Values Removed Values Added
Title Authentication Misidentification via Ignored Username Lookup in OpenVPN 2.7.x

Fri, 14 Aug 2026 23:45:00 +0000

Type Values Removed Values Added
First Time appeared Openvpn
Openvpn openvpn
Vendors & Products Openvpn
Openvpn openvpn

Fri, 14 Aug 2026 22:30:00 +0000

Type Values Removed Values Added
Description OpenVPN 2.7_alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified by ignoring the configured X.509 username identity lookup field
Weaknesses CWE-115
CWE-295
References
Metrics cvssV4_0

{'score': 2, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:A/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: OpenVPN

Published:

Updated: 2026-08-14T22:13:26.656Z

Reserved: 2026-07-17T14:38:48.698Z

Link: CVE-2026-63650

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-14T23:16:32.653

Modified: 2026-08-14T23:16:32.653

Link: CVE-2026-63650

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-15T00:00:04Z

Weaknesses