CVE-2026-81738 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
OpenVPN	CNA	2.3 LOW	NETWORK	HIGH	NONE	CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:L/SA:L

Base Score

CVSS 3.x

EPSS Score

Percentile: 25.83%

Early Detection

Affected products identified ahead of NVD analysis through intelligence sources.

Vendor	Product	Version	Source
openvpn	openvpn	2.5.0 ≤ 𝑥 ≤ 2.7.6	CNA

Debian Releases

Debian Product

Codename

openvpn

bookworm	2.6.14-0+deb12u2 fixed
bookworm (security)	2.6.14-0+deb12u2 fixed
forky	2.7.5-1 fixed
sid	2.7.7-1 fixed
trixie	2.6.14-1+deb13u3 fixed
trixie (security)	2.6.14-1+deb13u3 fixed

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-121 - Stack-based Buffer Overflow
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).

Vulnerability Media Exposure

[GERMAN] OpenVPN: Mehrere Schwachstellen
Ein lokaler Angreifer kann mehrere Schwachstellen in OpenVPN ausnutzen, um Code auszuführen, Daten zu manipulieren oder einen Denial of Service zu verursachen.
Published: 2026-09-06T22:00:00+00:00

References

https://community.openvpn.net/Security%20Announcements/CVE-2026-81738