CVE-2026-40590: Authorization Bypass Through User-Controlled Key

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...

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 1.8.215 contained security vulnerabilities. These vulnerabilities stemmed from the reliance on encrypted attachment IDs provided b...

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 1.8.213 contained security vulnerabilities. These vulnerabilities stemmed from the loadcustomerinfo operation in POST...

PT-2026-34039

Name of the Vulnerable Software and Affected Versions FreeScout versions prior to 1.8.215 Description The reply and draft flows trust encrypted attachment IDs supplied by the client. Any IDs included in the attachments all variable but omitted from retained lists are decrypted and passed to the...

CVE-2026-40567: Improper Encoding or Escaping of Output

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, an unauthenticated attacker can inject arbitrary HTML into outgoing emails generated by FreeScout by sending an email with a crafted From display name. The name is stored in the database without sanitization a...

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 1.8.213 contained security vulnerabilities. These vulnerabilities stemmed from the linkify function in app/Misc/Helper.php, which...

PT-2026-34025

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...

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 1.8.215 contained security vulnerabilities. These vulnerabilities stemmed from the module installation feature’s ability to extrac...

CVE-2026-41193: Improper Limitation of a Pathname to a Restricted Directory

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, FreeScout's module installation feature extracts ZIP archives without validating file paths, allowing an authenticated admin to write files arbitrarily on the server filesystem via a specially crafted ZIP...

CVE-2026-40569: Improper Access Control

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-2026-41183: Exposure of Sensitive Information to an Unauthorized Actor

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, the assigned-only restriction is applied to direct conversation view and folder queries, but not to non-folder query builders. Global search and the AJAX filter path still reveal conversations that should be...

PT-2026-34029

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, customer-thread editing is authorized through ThreadPolicy::edit, which checks mailbox access but does not apply the assigned-only restriction from ConversationPolicy. A user who cannot view a conversation can...

PT-2026-34031

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, MailboxesController::updateSave persists chat start new outside the allowed-field filter. A user with only the mailbox sig permission sees only the signature field in the UI, but can still change the hidden...

PT-2026-34011

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, an unauthenticated attacker can inject arbitrary HTML into outgoing emails generated by FreeScout by sending an email with a crafted From display name. The name is stored in the database without sanitization a...

PT-2026-34012

FreeScout is a free self-hosted help desk and shared mailbox. Versions prior to 1.8.213 have a stored cross-site scripting XSS vulnerability in the mailbox signature feature. The sanitization function Helper::stripDangerousTags app/Misc/Helper.php:568 uses an incomplete blocklist of only four HTM...

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 1.8.213 contained security vulnerabilities. These vulnerabilities stemmed from the use of the connectionIncomingSave and...

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 1.8.213 contained security vulnerabilities. These vulnerabilities stemmed from the IMAP/SMTP connection testing functionality in t...

CVE-2026-40589: Authorization Bypass Through User-Controlled Key

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...

PT-2026-34028

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, the assigned-only restriction is applied to direct conversation view and folder queries, but not to non-folder query builders. Global search and the AJAX filter path still reveal conversations that should be...

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 1.8.213 contained security vulnerabilities. These vulnerabilities stemmed from uncleanly storing the From display name in the...