SB2026020387 - Authenticated OS command injection in FreePBX filestore module



SB2026020387 - Authenticated OS command injection in FreePBX filestore module

Published: February 3, 2026

Security Bulletin ID SB2026020387
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) OS Command Injection (CVE-ID: CVE-2025-64328)

The vulnerability allows a remote user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation within the FreePBX Endpoint Manager in testconnection -> check_ssh_connect() function. A remote authenticated user can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.