CVE-2026-13379

Severity: critical (CVSS 9.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-30 · updated 2026-08-05
Weakness: CWE-125

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

Affected products

OpenVPN: from 2.7 before 2.7.5 — fixed in 2.7.5

How to fix

Upgrade to a fixed version: OpenVPN 2.7.5. Check the vendor advisory for mitigations.

References

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

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