CVE-2026-24031
Full vulnerability record from the local CVENow database.
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.
Severity
HIGH
CVSS score
8.2
(v3.1)
Vulnerability status
Modified
Source identifier
Published
2026-03-27 09:16:19.447000
Last modified
2026-10-26 21:10:00.170000
View original CVE JSON
{
"id": "CVE-2026-24031",
"sourceIdentifier": "[email protected]",
"published": "2026-03-27T09:16:19.447",
"lastModified": "2026-10-26T21:10:00.170",
"vulnStatus": "Modified",
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"value": "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."
},
{
"lang": "es",
"value": "La autenticación basada en SQL de Dovecot puede ser eludida cuando auth_username_chars es borrado por el administrador. Esta vulnerabilidad permite eludir la autenticación para cualquier usuario y la enumeración de usuarios. No borre auth_username_chars. Si esto no es posible, instale la última versión corregida. No se conocen exploits disponibles públicamente."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Open-Xchange GmbH",
"product": "OX Dovecot Pro",
"defaultStatus": "unaffected",
"modules": [
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"references": [
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