CVE-2026-84790 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
OpenVPN	CNA	7.6 HIGH	NETWORK	HIGH	LOW	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

Base Score

CVSS 3.x

EPSS Score

Percentile: 11.28%

Early Detection

Affected products identified ahead of NVD analysis through intelligence sources.

Vendor	Product	Version	Source
openvpn	openvpn	𝑥 ≤ 2.7.7	CNA

Debian Releases

Debian Product

Codename

openvpn

bookworm	vulnerable
bookworm (security)	vulnerable
forky	vulnerable
sid	2.7.8-1 fixed
trixie	vulnerable
trixie (security)	vulnerable

Ubuntu Releases

Ubuntu Product

Codename

openvpn

bionic	needs-triage
focal	needs-triage
jammy	needs-triage
noble	needs-triage
resolute	needs-triage
trusty	needs-triage
xenial	needs-triage

Common Weakness Enumeration

CWE-158 - Improper Neutralization of Null Byte or NUL Character
The software receives input from an upstream component, but it does not neutralize or incorrectly neutralizes NUL characters or null bytes when they are sent to a downstream component.

Vulnerability Media Exposure

[GERMAN] OpenVPN: Mehrere Schwachstellen
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in OpenVPN ausnutzen, um Sicherheitsmaßnahmen zu umgehen, Denial of Service Attacken durchzuführen und Informationen offenzulegen.
Published: 2026-10-13T22:00:00+00:00

References

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