CVE-2026-63650 | BDVDB-2026-359304 Detail

OpenVPNOpenVPN

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

Impact#

Per CVSS v4.0: confidentiality impact low, integrity impact none, availability impact none. Attack vector: network.

Weaknesses#

CWE-295 Improper Certificate Validation
CWE-115 Misinterpretation of Input

References#

Exploit#

No public exploit known

History#

Version 12026-08-14Record published in the CVE List.
Version 22026-08-17Most recent update recorded in the CVE List.

Published

Published: 2026-08-14
Last modified: 2026-08-17

Vendor information

Vendor: OpenVPN
Product: OpenVPN

All OpenVPN vulnerabilities

Score

2.0 Low

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 13.7.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 2.7_alpha1 and < 2.7.6
Fixed
2.7.6

Scoring System

CVSS v4.0

2.0 Low

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

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Attack Requirements	Present
Privileges Required	Low
User Interaction	Active
Vulnerable System Confidentiality	Low
Vulnerable System Integrity	None
Vulnerable System Availability	None
Subsequent System Confidentiality	Low
Subsequent System Integrity	None
Subsequent System Availability	None

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).