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CVE-2026-13122
Component Overview
Vulnerability Overview
Name
CVE-2026-13122
Source
NVD (
link
)
Debian (
link
)
Description
OpenVPN version 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers to cause a denial of service via a malformed authentication token that triggers a reachable assertion when external-auth is enabled
CWEs
CWE-617
Published Date
Jul 6, 2026
Updated Date
Jul 9, 2026
Workaround
-
Advisories
https://community.openvpn.net/Security%20Announcements/CVE-2026-13122
Vendor Advisory
Analysis
#
Affected Component
Analysis
openvpn
Exploitable
Vulnerability Ratings
#
5.9
CVSSv4
5.3
CVSSv31
NaN
other
Others affected components
#
Name
Project
Project Version
Version
Status
openvpn
buildroot
2025.02.x
2.6.22
Not Affected
openvpn
buildroot
master
2.7.6
Not Affected
openvpn
openwrt
master
2.7.6-r1
Not Affected
openvpn
openwrt
openwrt-25.12
2.7.6-r1
Not Affected
openvpn
yocto
kirkstone
2.5.11
Not Affected
openvpn
yocto
master
2.7.6
Not Affected