VULNERABILITY INTELLIGENCE
CVE-2026-24031
CVSS score7.7 HIGH
EPSS probability0.40%
CISA KEVNot currently listed
Published2026-03-27
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
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.
Weakness classification
- security@open-xchange.com: CWE-89
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c: CWE-89