CVE-2026-84790

State: Published
Severity: 7.6 High
Published: Oct 13, 2026
Updated: Oct 18, 2026
Reserved: Sep 2, 2026

Description

OpenVPN 2.7_alpha1 through 2.7.7 allows remote authenticated users to impersonate others via a crafted certificate subject field

Scores

CVSS	Score	Vector	Source
4.0	7.6 High	CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N	OpenVPN

Weaknesses

CWE-290 Authentication bypass by spoofing
CWE-158 Improper neutralization of null byte or NUL character

Affected Products

Product	Versions
OpenVPNOpenVPN	2.7_alpha1 through 2.7.7Affected

References

https://community.openvpn.net/Security%20Announcements/CVE-2026-84790vendor-advisory

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