CVE-2026-41902 FreeScout's user invitation hash never expires: permanent unauthenticated account takeover if invite link leaks

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.217, the /user-setup/hash endpoint accepts a 60-character random invitehash to set a new user's password. The endpoint performs no expiration check — the hash remains valid indefinitely until...

Redefining AI Red Teaming in the Agentic Era: From Weeks to Hours

AI systems are entering critical domains like healthcare, finance, and defense, yet remain vulnerable to adversarial attacks. While AI red teaming is a primary defense, current approaches force operators into manual, library-specific workflows. Operators spend weeks hand-crafting workflows -...

CVE-2026-41194

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, the mailbox OAuth disconnect action is implemented as GET /mailbox/oauth-disconnect/id/inout/provider. It removes stored OAuth metadata from the mailbox and then redirects. Because it is a GET route, no CSRF...

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-2026-41193 FreeScout has Zip Slip path traversal in module installation that allows arbitrary file write leading to RCE

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...

EUVD-2026-24223

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-2026-41190

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, when APPSHOWONLYASSIGNEDCONVERSATIONS is enabled, direct conversation view correctly blocks users who are neither the assignee nor the creator. The savedraft AJAX path is weaker. A direct POST can create a dra...

CVE-2026-41189 FreeScout has assigned-only visibility bypass that allows editing hidden customer-authored threads

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...

CVE-2026-41183 FreeScout allows non-folder conversation queries to disclose assigned-only hidden conversations

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...

CVE-2026-40591 FreeScout: Improper Authorization in Phone Conversation Creation Enables Cross-Mailbox Hidden Customer Modification

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...

EUVD-2026-24187

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-2026-40589 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 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-2026-24169

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...

CVE-2026-40568

Summary (CVE-2026-40568) : FreeScout prior to version 1.8.213 contains a stored XSS in the mailbox signature due to incomplete HTML sanitization in Helper::stripDangerousTags(). The sanitizer blocks only four tags (script, form, iframe, object) and misses event-handler attributes, allowing HTML e...

EUVD-2026-24137

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.213, an unauthenticated attacker can access diagnostic and system tools that should be restricted to administrators. The /system/cron endpoint relies on a static MD5 hash derived from the APPKEY, which is exposed i...

PT-2026-34030

FreeScout is a free self-hosted help desk and shared mailbox. Prior to version 1.8.215, when APP SHOW ONLY ASSIGNED CONVERSATIONS is enabled, direct conversation view correctly blocks users who are neither the assignee nor the creator. The save draft AJAX path is weaker. A direct POST can create ...

PT-2026-34040

Name of the Vulnerable Software and Affected Versions FreeScout versions prior to 1.8.215 Description The module installation feature extracts ZIP archives without validating file paths. This allows an authenticated administrator to write files arbitrarily on the server filesystem by using 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 1.8.215 contained security vulnerabilities. These vulnerabilities stemmed from the MailboxesController::updateSave function, which...

PT-2026-34010

FreeScout is a free self-hosted help desk and shared mailbox. Versions prior to 1.8.213 have a Server-Side Request Forgery SSRF vulnerability in the IMAP/SMTP connection test functionality of FreeScout's MailboxesController. Three AJAX actions fetch test line 731, send test line 682, and imap...