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...

The vulnerability in the /conversation/ajax scenario of the FreeScout support service allows a hacker to execute arbitrary code.

The vulnerability of the /conversation/ajax scenario in the FreeScout support service management system is related to deficiencies in the deserialization mechanism. Exploiting this vulnerability allows an attacker who operates remotely to execute arbitrary code...

CVE-2025-54366

FreeScout is a lightweight free open source help desk and shared inbox built with PHP Laravel framework. In versions 1.8.185 and below, there is a critical deserialization vulnerability in the /conversation/ajax endpoint that allows authenticated users with knowledge of the APPKEY to achieve remo...

PT-2025-42841

Уязвимость сценария /conversation/ajax системы управления службой поддержки FreeScout связана с недостатками механизма десериализации. Эксплуатация уязвимости может позволить нарушителю, действующему удаленно, выполнить произвольный код...

PT-2024-22319

Name of the Vulnerable Software and Affected Versions FreeScout versions prior to 1.8.124 Description A vulnerability has been identified in the FreeScout Application, which exposes SMTP server credentials used by an organization in the application to users of the application. This issue arises...