CVE-2026-13698
7.5
HIGH
CVSS 3.1
EPSS 0.55%
Description
A memory leak in OpenVPN version 2.5.0 through 2.5.11, 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers with a valid tls-crypt-v2 client key to potentially cause a denial of service
How to fix CVE-2026-13698
To remediate CVE-2026-13698, upgrade the affected package to a fixed version below.
- Alpine/openvpn—upgrade to 2.7.5-r0 or later
Is CVE-2026-13698 being exploited?
Low — EPSS is 0.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 2.5.0, < 2.7.5-r0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |