CVE-2026-44238

Sangoma · FreePBX

A high-severity security vulnerability has been identified in the FreePBX open-source IP PBX system.

Executive summary

The FreePBX system is affected by a high-severity vulnerability that could threaten the integrity of communication infrastructure.

Vulnerability

This vulnerability affects the FreePBX system, potentially allowing unauthorized actions within the PBX management or telephony interfaces.

Business impact

The CVSS score of 8.8 indicates a high risk to business communications. Successful exploitation could lead to unauthorized call routing, eavesdropping, or disruption of communication services, which could severely impact organizational operations.

Remediation

Immediate Action: Check the FreePBX official security advisories and apply any available updates or patches to the PBX software.

Proactive Monitoring: Monitor PBX logs for unusual administrative access, unauthorized configuration changes, or suspicious call traffic.

Compensating Controls: Restrict administrative access to the FreePBX web interface to trusted IP addresses only and ensure the system is behind a robust firewall.

Exploitation status

Public Exploit Available: false

Analyst recommendation

Given the critical role of IP PBX systems, it is vital to keep FreePBX software updated. Security teams should prioritize this update to ensure the continued security and availability of voice communication services.