CVE-2023-26566: Sangoma FreePBX Linux 7

High severity, CVSS 8.6. EPSS: 0.7% chance of exploitation in the next 30 days.

Sangoma FreePBX 1805 through 2203 on Linux contains hardcoded credentials for the Asterisk REST Interface (ARI), which allows remote attackers to reconfigure Asterisk and make external and internal calls via HTTP and WebSocket requests sent to the API.

Affected products

• Sangoma FreePBX Linux 7: from 1805, up to and including 2203

Published 2024-05-14. Last modified 2026-06-17.