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...

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 suffers CVE-2026-28289 (affecting

CVE-2026-27637

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.206, FreeScout's TokenAuth middleware uses a predictable authentication token computed as MD5userid + createdat + APPKEY. This token is static never expires/rotates, and if an attacker obtains...

CVE-2026-27636

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.206, FreeScout's file upload restriction list in app/Misc/Helper.php does not include .htaccess or .user.ini files. On Apache servers with AllowOverride All a common configuration, an...

CVE-2026-27636 FreeScout: Missing .htaccess in Restricted File Extensions Allows Remote Code Execution on Apache

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.206, FreeScout's file upload restriction list in app/Misc/Helper.php does not include .htaccess or .user.ini files. On Apache servers with AllowOverride All a common configuration, an...

EUVD-2026-8612

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.206, FreeScout's file upload restriction list in app/Misc/Helper.php does not include .htaccess or .user.ini files. On Apache servers with AllowOverride All a common configuration, an...

CVE-2026-27636

FreeScout has two combined CVEs affecting prior to 1.8.206. CVE-2026-27636 stems from an incomplete file restriction list: .htaccess and .user.ini are not blocked, allowing an authenticated user to upload a script on Apache with AllowOverride All and potentially achieve Remote Code Execution. CV...

CVE-2026-27637

FreeScout (Laravel-based) before version 1.8.206 is affected by two linked issues. CVE-2026-27637: the TokenAuth middleware uses a predictable token computed as MD5(user_id + created_at + APP_KEY). The token is static and, if an attacker obtains APP_KEY, they can generate a valid token for any us...

EUVD-2026-8611

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.206, FreeScout's TokenAuth middleware uses a predictable authentication token computed as MD5userid + createdat + APPKEY. This token is static never expires/rotates, and if an attacker obtains...

CVE-2026-27637 FreeScout's Predictable Authentication Token Enables Account Takeover

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.206, FreeScout's TokenAuth middleware uses a predictable authentication token computed as MD5userid + createdat + APPKEY. This token is static never expires/rotates, and if an attacker obtains...

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 1.8.206 contained security vulnerabilities, which were caused by the use of predictable authentication tokens, potentially leading...

PT-2026-21854

Name of the Vulnerable Software and Affected Versions FreeScout versions prior to 1.8.206 Description FreeScout’s TokenAuth middleware generates authentication tokens using a predictable method: MD5user id + created at + APP KEY. These tokens are static and do not expire or rotate. If an attacker...

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 1.8.206 contained security vulnerabilities; these vulnerabilities were due to an incomplete list of file upload restrictions, whic...

PT-2026-21853

Name of the Vulnerable Software and Affected Versions FreeScout versions prior to 1.8.206 Description FreeScout, a PHP-based help desk and shared inbox application built on the Laravel framework, contains a flaw in its file upload restrictions. Prior to version 1.8.206, the application does not...