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...

CVE-2026-40590

FreeScout prior to 1.8.214 exposes a Change Customer flow (POST /customers/ajax, action=create) in the Change Customer modal. The endpoint skips unique-email validation under limited visibility, and if the provided email matches a hidden existing customer, Customer::create() reuses that hidden cu...

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...

EUVD-2026-24184

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-2026-40589

Product affected: FreeScout (self-hosted help desk). Vulnerability: Prior to 1.8.214, a low-privileged agent can edit a visible customer and assign an email owned by a hidden customer in another mailbox. The server reveals the hidden customer’s name and profile URL in the success flash, reassigns...

CVE-2026-40589 FreeScout has Customer Edit Cross-Mailbox Email Takeover

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-2026-40589 FreeScout has Customer Edit Cross-Mailbox Email Takeover

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-2026-40570

FreeScout prior to 1.8.213 exposes sensitive customer data. The load_customer_info action at POST /conversation/ajax returns full customer profile data to any authenticated user without mailbox-access verification, requiring only a valid email to retrieve PII. Affected version range is before 1.8...

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'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...

EUVD-2026-24173

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'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...

EUVD-2026-24171

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...

CVE-2026-40569

Vulnerability summary (CVE-2026-40569): FreeScout (self-hosted help desk) versions prior to 1.8.213 suffer a mass assignment flaw in the mailbox connection settings endpoints (connectionIncomingSave and connectionOutgoingSave). The code passes $request->all() directly to $mailbox->fill() wi...

CVE-2026-40569

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...

CVE-2026-40569 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...

CVE-2026-40569 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...

CVE-2026-40569 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...

CVE-2026-40565

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, FreeScout's linkify function in app/Misc/Helper.php converts plain-text URLs in email bodies into HTML anchor tags without escaping double-quote characters " in the URL. HTMLPurifier called first via...