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OpenAdvisories
High · 7.5 CVE-2026-28209 EUVD-2026-9856

FreePBX: Command Injection leading to Remote Code Execution in FreePBX ElevenLabs Text-to-Speech integration

Published Mar 5, 2026 · Updated Mar 7, 2026 · Assigned by GitHub_M

Description

FreePBX is an open source IP PBX. From versions 16.0.17.2 to before 16.0.20 and from version 17.0.2.4 to before 17.0.5, a command injection vulnerability exists in FreePBX when using the ElevenLabs Text-to-Speech (TTS) engine in the recordings module. This issue has been patched in versions 16.0.20 and 17.0.5.

Affected products

VendorProductAffectedFixed
FreePBX security-reporting >= 16.0.17.2, < 16.0.20, >= 17.0.2.4, < 17.0.5 —

References