CVE-2026-81830 | BDVDB-2026-368773 Detail

OpenVPNOpenVPN

Description#

The Windows interactive service in OpenVPN 2.4.0 through 2.6.22 allows local authenticated users to bypass the trusted configuration directory constraint via incorrect file path validation

Impact#

Per CVSS v4.0: confidentiality impact none, integrity impact high, availability impact none. Attack vector: local.

Weaknesses#

CWE-73 External control of file name or path

References#

https://community.openvpn.net/Security%20Announcements/CVE-2026-81830

Exploit#

No public exploit known

History#

Version 12026-09-07Record published in the CVE List.
Version 22026-09-08Most recent update recorded in the CVE List.

Published

Published: 2026-09-07
Last modified: 2026-09-08

Vendor information

Vendor: OpenVPN
Product: OpenVPN

All OpenVPN vulnerabilities

Score

5.6 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 4.3.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 2.4.0 and <= 2.6.22
Fixed
Not stated

Scoring System

CVSS v4.0

5.6 Medium

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

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

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).