Skip to main content
HIGH

CVE-2026-27636

CVSS v3

8.8

HIGH

EPSS Score

22.4 %

exploit probability

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

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

Technical details

CVSS v3 Vector
3.1
Published
2026-02-25
Last Modified
2026-02-26

Frequently asked questions

What is 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 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

Is CVE-2026-27636 actively exploited?

Active exploitation of CVE-2026-27636 has not been confirmed. The EPSS score is 22.4%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-27636?

CVE-2026-27636 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string 3.1.

Is CVE-2026-27636 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

Check an IPSearch CVEsSIEM & TIP integrations

No credit card required · 500 free checks/month · Free API key

Other 2026 vulnerabilities worth triaging

Ranked by exploit probability (EPSS).

Back to CVE Database