VULNERABILITY INTELLIGENCE

CVE-2026-40215

CVSS score7.4 HIGH

EPSS probability0.37%

CISA KEVNot currently listed

Published2026-06-08

Last modified2026-08-11

Description

A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows remote attackers to potentially cause a server crash or leak heap memory via a use-after-free triggered during TLS session promotion.