CVE-2026-40592

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, the undo-send route GET /conversation/undo-reply/threadid checks only whether the current user can view the parent conversation. It does not verify that the current user created the reply being undone. In a...

CVE-2026-40590

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, the Change Customer modal exposes a “Create a new customer” flow via POST /customers/ajax with action=create. Under limited visibility, the endpoint drops unique-email validation. If the supplied email already...

CVE-2026-40589

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, a low-privileged agent can edit a visible customer and add an email address already owned by a hidden customer in another mailbox. The server discloses the hidden customer’s name and profile URL in the success...

CVE-2026-41906

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.214, the Change Customer modal correctly hides out-of-scope customers through the mailbox-filtered search endpoint, but the backend conversationchangecustomer action accepts any supplied...

CVE-2026-41906

FreeScout (PHP Laravel) prior to 1.8.214 is vulnerable: the backend action conversation_change_customer accepts any supplied customer_email, allowing a low-privilege agent to bind a visible conversation to a hidden customer in another mailbox via forged requests. The Change Customer modal correct...

CVE-2026-41906

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.214, the Change Customer modal correctly hides out-of-scope customers through the mailbox-filtered search endpoint, but the backend conversationchangecustomer action accepts any supplied...

EUVD-2026-28409

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.214, the Change Customer modal correctly hides out-of-scope customers through the mailbox-filtered search endpoint, but the backend conversationchangecustomer action accepts any supplied...

PT-2026-38551

Name of the Vulnerable Software and Affected Versions FreeScout versions prior to 1.8.214 Description The backend conversation change customer action fails to properly validate the customer email variable. While the Change Customer modal filters out-of-scope customers via the mailbox-filtered...

FreeScout 安全漏洞

FreeScout is a lightweight and powerful free open-source help desk and shared inbox built using PHP Laravel framework by FreeScout Inc. Versions of FreeScout prior to 1.8.214 contained security vulnerabilities. These vulnerabilities stemmed from the conversationchangecustomer operation, which...

CVE-2026-40592

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, the undo-send route GET /conversation/undo-reply/threadid checks only whether the current user can view the parent conversation. It does not verify that the current user created the reply being undone. In a...

CVE-2026-40590

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, the Change Customer modal exposes a “Create a new customer” flow via POST /customers/ajax with action=create. Under limited visibility, the endpoint drops unique-email validation. If the supplied email already...

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-2026-40592 FreeScout's cross-user undo reply allows mailbox peers to recall another agent's outbound reply

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, the undo-send route GET /conversation/undo-reply/threadid checks only whether the current user can view the parent conversation. It does not verify that the current user created the reply being undone. In a...

CVE-2026-40592

FreeScout (self-hosted help desk) prior to 1.8.214 is affected by CVE-2026-40592. The vulnerability lies in the undo-send route GET /conversation/undo-reply/{thread_id}, which only checks whether the current user can view the parent conversation and does not verify that the user created the reply...

EUVD-2026-24189

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, the undo-send route GET /conversation/undo-reply/threadid checks only whether the current user can view the parent conversation. It does not verify that the current user created the reply being undone. In a...

CVE-2026-40592 FreeScout's cross-user undo reply allows mailbox peers to recall another agent's outbound reply

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, the undo-send route GET /conversation/undo-reply/threadid checks only whether the current user can view the parent conversation. It does not verify that the current user created the reply being undone. In a...

CVE-2026-40592

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, the undo-send route GET /conversation/undo-reply/threadid checks only whether the current user can view the parent conversation. It does not verify that the current user created the reply being undone. In a...

CVE-2026-40590 FreeScout's Customer AJAX Create Modifies Hidden Existing Customer

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, the Change Customer modal exposes a “Create a new customer” flow via POST /customers/ajax with action=create. Under limited visibility, the endpoint drops unique-email validation. If the supplied email already...

EUVD-2026-24185

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, the Change Customer modal exposes a “Create a new customer” flow via POST /customers/ajax with action=create. Under limited visibility, the endpoint drops unique-email validation. If the supplied email already...

CVE-2026-40590 FreeScout's Customer AJAX Create Modifies Hidden Existing Customer

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.214, the Change Customer modal exposes a “Create a new customer” flow via POST /customers/ajax with action=create. Under limited visibility, the endpoint drops unique-email validation. If the supplied email already...