CVE-2026-40591

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, the phone-conversation creation flow accepts attacker-controlled customerid, name, toemail, and phone values and resolves the target customer in the backend without enforcing mailbox-scoped customer visibility...

CVE-2026-40591

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, the phone-conversation creation flow accepts attacker-controlled customerid, name, toemail, and phone values and resolves the target customer in the backend without enforcing mailbox-scoped customer visibility...

EUVD-2026-24187

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, the phone-conversation creation flow accepts attacker-controlled customerid, name, toemail, and phone values and resolves the target customer in the backend without enforcing mailbox-scoped customer visibility...

CVE-2026-40591

CVE-2026-40591 (FreeScout) describes an improper authorization in the phone-conversation creation flow. Before version 1.8.214, an attacker-controlled input for customer_id, name, to_email, and phone allows backend resolution of the target customer without enforcing mailbox-scoped visibility. Thi...

CVE-2026-40591: Authorization Bypass Through User-Controlled Key

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, the phone-conversation creation flow accepts attacker-controlled customerid, name, toemail, and phone values and resolves the target customer in the backend without enforcing mailbox-scoped customer visibility...

PT-2026-34026

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, the phone-conversation creation flow accepts attacker-controlled customer id, name, to email, and phone values and resolves the target customer in the backend without enforcing mailbox-scoped customer...