FreeScout's Mass Assignment in Mailbox Connection Settings Enables Silent Email Exfiltration
FreeScout is a free self-hosted help desk and shared mailbox. Versions prior to 1.8.213 have a mass assignment vulnerability in the mailbox connection settings endpoints of FreeScout (`connectionIncomingSave()` at `app/Http/Controllers/MailboxesController.php:468` and `connectionOutgoingSave()` at line 398). Both metho…
Severity critical: primary CNA CVSS 9 v3.1 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2026-04-21T16:46:15.796Z. Updated 2026-04-21T17:45:31.659Z.