CVE Watch22 oct 2026

CVE-2026-114732

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an improper authentication vulnerability in multi-host installations.

CVSS

6.8

Medio

EPSS

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KEV

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Exploit Today

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0-100

Publicado: 22 oct 2026 · Última mod.: 22 oct 2026 · CWE-288

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by an improper authentication vulnerability in multi-host installations. When a user logs in with an alias address, rcube_user::query() matched the address against identity records without qualifying the lookup by IMAP host, so a login could be resolved to a user account belonging to a different IMAP host. Upstream fixed this in the commit “Fix bug where an alias login wasn’t qualified by IMAP host”.

Referencias oficiales

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