CVE-2026-40570 FreeScout's Missing Authorization in load_customer_info Allows Any Authenticated User to Access Full Customer PII

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, the loadcustomerinfo action in POST /conversation/ajax returns complete customer profile data to any authenticated user without verifying mailbox access. An attacker only needs a valid email address to retriev...

CVE-2026-40570

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, the "loadcustomerinfo" action in "POST /conversation/ajax" returns complete customer profile data to any authenticated user without verifying mailbox access. An attacker only needs a valid email address to...

CVE-2026-40570: Authorization Bypass Through User-Controlled Key

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, the loadcustomerinfo action in POST /conversation/ajax returns complete customer profile data to any authenticated user without verifying mailbox access. An attacker only needs a valid email address to retriev...