CVE-2026-28209: 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…

PriorityP348high7.2CVSS 3.1

AVNACLPRHUINSUCHIHAH

EPSS

0.89%

54.7th percentile

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

4 ranges

Vendor	Product	Version range	Fixed in
freepbx	security-reporting	—	—
freepbx	security-reporting	—	—
sangoma	freepbx	>= 16.0.17.2 < 16.0.20	16.0.20
sangoma	freepbx	>= 17.0.2.4 < 17.0.5	17.0.5

CVSS provenance

nvdv3.17.2HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

nvdv4.07.5HIGHCVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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