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vulnerabilityCVE-2026-24031
Name
CVE-2026-24031
Source
NVD ( link)Debian ( link)
Description
Dovecot SQL based authentication can be bypassed when auth_username_chars is cleared by admin. This vulnerability allows bypassing authentication for any user and user enumeration. Do not clear auth_username_chars. If this is not possible, install latest fixed version. No publicly available exploits are known.
Published Date
Updated Date
Workaround
-

Analysis#


Affected Component
Analysis
dovecot
Exploitable

Vulnerability Ratings#


7.7
CVSSv31
8.2
CVSSv31
NaN
other

Others affected components#


Name
Project
Project Version
Version
Status
buildroot
2025.02.x
2.3.21.1
Exploitable
buildroot
master
2.3.21.1
Exploitable
openwrt
openwrt-25.12
2.3.21-r1
Exploitable
yocto
kirkstone
2.3.14
Exploitable
yocto
master
2.4.4
Not Affected
yocto
scarthgap
2.3.21.1
Exploitable