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vulnerabilityCVE-2026-6731
Name
CVE-2026-6731
Source
NVD ( link)Debian ( link)
Description
X.509 name constraint bypass via the Subject Common Name when treated as a DNS-type name. A certificate whose Subject CN violates an issuing CA's DNS name constraints could be accepted.
Published Date
Updated Date
Workaround
-

Analysis#


Affected Component
Analysis
wolfssl
Exploitable

Vulnerability Ratings#


6
CVSSv4
7.5
CVSSv31
NaN
other

Others affected components#


Name
Project
Project Version
Version
Status
buildroot
2025.02.x
5.9.2
Not Affected
buildroot
master
5.9.2
Not Affected
openwrt
master
5.9.2-r1
Not Affected
openwrt
openwrt-25.12
5.9.2-r1
Not Affected
yocto
kirkstone
5.2.0
Exploitable
yocto
master
5.9.2
Not Affected