CVE-2026-28209
High
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.
SeverityHigh
CVSS7.2
Exploit probability—
ProductSangoma Freepbx
PublishedMar 5, 2026
First seenMar 5, 2026
Weakness typeCWE-78OS command injection
How to fix
Update
- sangoma freepbx16.0.20, 17.0.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| sangoma freepbx | 16.0.17.2 ≤ v < 16.0.20, 17.0.2.4 ≤ v < 17.0.5 | 16.0.20, 17.0.5 |
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