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-2026-40591 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...

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...

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...

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...

CVE-2026-35584 FreeScout has an Unauthenticated IDOR in Open Tracking Endpoint Allows Cross-Conversation Thread Manipulation and Enumeration

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to 1.8.212, the endpoint GET /thread/read/conversationid/threadid does not require authentication and does not validate whether the given threadid belongs to the given conversationid. This allows any...

CVE-2026-34443

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.211, checkIpByMask in app/Misc/Helper.php checks whether the input IP contains a / character. Plain IP addresses never contain /, so the function always returns false without checking any CIDR...

CVE-2026-34442 FreeScout: Host Header Injection Leading to External Resource Loading and Open Redirect in FreeScout

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.211, host header manipulation in FreeScout version http://localhost:8080/system/status allows an attacker to inject an arbitrary domain into generated absolute URLs. This leads to External...

CVE-2026-32754

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Versions 1.8.208 and below are vulnerable to Stored Cross-Site Scripting XSS through FreeScout's email notification templates. Incoming email bodies are stored in the database without sanitization and rendered...

CVE-2026-32752 FreeScout: Broken Access Control in ThreadPolicy — Any User Can Read/Edit All Customer Messages

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. In versions 1.8.208 and below, the ThreadPolicy::edit method contains a broken access control vulnerability that allows any authenticated user regardless of role or mailbox access to read and modify all...

CVE-2026-32752 FreeScout: Broken Access Control in ThreadPolicy — Any User Can Read/Edit All Customer Messages

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. In versions 1.8.208 and below, the ThreadPolicy::edit method contains a broken access control vulnerability that allows any authenticated user regardless of role or mailbox access to read and modify all...

PT-2026-26373

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. In versions 1.8.208 and below, the ThreadPolicy::edit method contains a broken access control vulnerability that allows any authenticated user regardless of role or mailbox access to read and modify all...

CVE-2026-28289

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. A patch bypass vulnerability for CVE-2026-27636 in FreeScout 1.8.206 and earlier allows any authenticated user with file upload permissions to achieve Remote Code Execution RCE on the server by uploading a maliciou...

CVE-2026-28289 FreeScout 1.8.206 Patch Bypass for CVE-2026-27636 via Zero-Width Space Character Leads to Remote Code Execution

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. A patch bypass vulnerability for CVE-2026-27636 in FreeScout 1.8.206 and earlier allows any authenticated user with file upload permissions to achieve Remote Code Execution RCE on the server by uploading a maliciou...