CVE-2026-13379 — CRITICAL (9.1)

Q: How severe is CVE-2026-13379?

CVE-2026-13379 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2026-13379?

Check the references section above for vendor advisories and patch information. Affected products include: Openvpn Openvpn.

Vulnerability Description

The Windows interactive service in OpenVPN 2.7_alpha1 through 2.7.4 allows remote attackers to cause persistent DNS state pollution or a service crash via a crafted search domain during the disconnection process

CVSS Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Openvpn	Openvpn	>= 2.7, < 2.7.5

Related Weaknesses (CWE)

CWE-125 CWE-142

References

https://community.openvpn.net/ReleaseHistory#openvpn-275-released-1-july-2026Release Notes
https://community.openvpn.net/Security%20Announcements/CVE-2026-13379Vendor Advisory

FAQ

What is CVE-2026-13379?

CVE-2026-13379 is a vulnerability with a CVSS score of 9.1 (CRITICAL). The Windows interactive service in OpenVPN 2.7_alpha1 through 2.7.4 allows remote attackers to cause persistent DNS state pollution or a service crash via a crafted search domain during the disconnect...

How severe is CVE-2026-13379?

CVE-2026-13379 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-13379?

Check the references section above for vendor advisories and patch information. Affected products include: Openvpn Openvpn.