CVE Watch6 nov 2026

CVE-2026-62856

FreeScout is a self-hosted help desk and shared mailbox application. Prior to version 1.8.226, the polycast/receive endpoint fails to esca

CVSS

7.7

Alto

EPSS

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KEV

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Exploit Today

0-100

Publicado: 6 nov 2026 · Última mod.: 6 nov 2026 · CWE-89 · CWE-200 · CWE-639

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

FreeScout is a self-hosted help desk and shared mailbox application. Prior to version 1.8.226, the polycast/receive endpoint fails to escape SQL LIKE wildcards in supplied channel names, while channel authorization applies only to names with specific prefixes. An unauthenticated attacker with a guest session and valid CSRF token can submit a wildcard channel name to retrieve matching notification events intended for other users. Notification payload generation lacks a corresponding access check, exposing conversation message content, identifiers, URLs, and notification HTML across users and mailboxes. This issue is fixed in version 1.8.226.

Referencias oficiales

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