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CVE-2026-27636highCWE-434

FreeScout: Missing .htaccess in Restricted File Extensions Allows Remote Code Execution on Apache

36Vexday Risk Score

Patch soon. It has a working public exploit.

ssvc Attendcvss 8.8epss 2.1%
from disclosure to weapon4 days
Published on NVDFeb 25
metasploit+4d
exploitation probability
2.1%top 20% of all CVEs
observed exploitation
nono source reports it
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 authenticated user can upload a `.htaccess` file to redefine how files are processed, enabling Remote Code Execution. This vulnerability can be exploited on its own or in combination with CVE-2026-27637. Version 1.8.206 fixes both vulnerabilities.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H