CVE-2026-13117

High

An incomplete guard in OpenVPN 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote authenticated peers to trigger a…

OpenVPN·CWE-416·Published 2026-07-30

CVSS

8.1

EPSS

0.00

KEV

Exploits

Vendor statements (1)

community.openvpn.net

cve.orgen

233 chars

An incomplete guard in OpenVPN 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote authenticated peers to trigger a use-after-free during TLS session promotion, potentially leading to a denial of service or memory leakage

CVSS metrics across sources

Version	Type	Source	Base	Exp	Impact	Vector
3.1	Primary	NVD	8.1	2.8	5.2	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
4.0	Primary	cve.org	6.0	—	—	CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
4.0	Secondary	ENISA EUVD	6.0	—	—	CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
4.0	Secondary	NVD	6.0	—	—	CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X