UNKNOWNCVE-2026-24031
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_u
Platform
linux
Component
dovecot
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.
How to fix
No borre la configuración auth_username_chars. Si esto no es posible, instale la última versión corregida de Dovecot. Consulte la documentación del proveedor para obtener más detalles sobre la actualización.
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