CVE-2026-78043

unknown

Assigned by CNA: openvpn

Published 2026-09-07 · Modified 2026-09-07

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CVSS v3

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CVSS v4 NEW

5.6

CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N

VIR risk

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Description

The Windows Interactive Service in OpenVPN 2.7_alpha1 through 2.7.6 allows local authenticated users to bypass the trusted configuration directory constraint and load arbitrary configuration files via specially crafted paths

Predictions

Exploit likelihood

20%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

Mitigation details

Source: Debian Security Tracker · View original ↗ · DFSG

CVE-2026-78043 NameCVE-2026-78043 SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) Vulnerable and fixed packages The table below lists information on source packages. Source PackageReleaseVersionStatus openvpn (PTS)bookworm, bookworm (security)2.6.14-0+deb12u2fixed trixie (security),…

CVE-2026-78043

Name	CVE-2026-78043
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
openvpn (PTS)	bookworm, bookworm (security)	2.6.14-0+deb12u2	fixed
	trixie (security), trixie	2.6.14-1+deb13u3	fixed
	forky	2.7.5-1	fixed
	sid	2.7.7-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
openvpn	source	(unstable)	(not affected)

Notes

- openvpn <not-affected> (Only affects OpenVPN on Windows)

Home - Debian Security - Source (Git)

Apply commands

text fix

Notes

- openvpn <not-affected> (Only affects OpenVPN on Windows)

OS impact

Debian Fixed 4 releases

Version	Status	Fixed in
trixie	Fixed	`0`
sid	Fixed	`0`
forky	Fixed	`0`
bookworm	Fixed	`0`

References

CWEs

CWE-22

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.