🛡️ CVE-2026-12932 — openvpn

🟠 CVSS 8.1 — High ✅ No Known Exploit CWE-401 NVD
8.1
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

A memory leak in the tls-crypt-v2 client key extraction in OpenVPN 2.5.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers to cause a denial of service (memory exhaustion) via a flood of crafted packets

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity none, availability high.

Weakness class

CVE-2026-12932 is classified as CWE-401: Memory Leak. Allocated memory is never released, so long-running or repeated operations gradually exhaust it.

Affected software

CVE-2026-12932 is recorded against 1 package.

  • openvpn (from 2.7 up to 2.7.5)

Timeline and source

Published on 30 July 2026 and last revised on 5 August 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

community.openvpn.net
community.openvpn.net
community.openvpn.net

Details

Severity HIGH
CVSS Score 8.1
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE CWE-401
Public Exploit ✅ No
Source NVD
Published 2026-07-30
Updated 2026-08-11
Modified 2026-08-05
Fix URL N/A

Affected Packages

Software From version Fixed in
openvpn 2.7 2.7.5

Site Security Check

Is openvpn part of your stack?

CVE-2026-12932 is rated CVSS 8.1 High. BotEraser scans your installation against known CVE records and tells you whether this vulnerability applies to the versions you actually run.

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