CVE-2026-78043 PUBLISHED

Assigner: OpenVPN
Reserved: 26.08.2026 Published: 07.09.2026 Updated: 07.09.2026

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

Metrics

CVSS 4.0

CVSS Vector: 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
CVSS Score: 5.6

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	Present	Availability	None	Availability	None
Privileges Required	Low
User Interaction	Passive

CVSS 4.0

Product Status

Vendor	OpenVPN
Product	OpenVPN
Versions	Default: unaffected affected from 2.7_alpha1 to 2.7.6 (incl.)

References

https://community.openvpn.net/Security%20Announcements/CVE-2026-78043

Problem Types

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') CWE