CVE-2026-28209

HIGH
2026-03-05 [email protected]
7.2
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:06 vuln.today
CVE Published
Mar 05, 2026 - 19:16 nvd
HIGH 7.2

Tags

Command Injection AI / ML Freepbx

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.

Analysis

Unauthenticated command injection in FreePBX versions 16.0.17.2-16.0.19 and 17.0.2.4-17.0.4 via the ElevenLabs Text-to-Speech integration allows authenticated users with high privileges to execute arbitrary system commands. The vulnerability exists in the recordings module and affects all installations using the vulnerable TTS engine. …

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Remediation

Within 24 hours: Identify and inventory all FreePBX instances using ElevenLabs TTS integration and disable the feature immediately if not critical to operations. Within 7 days: Implement network segmentation to restrict FreePBX access and apply WAF rules to block suspicious input patterns; document alternative TTS solutions. …

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Priority Score

36
Low Medium High Critical
KEV: 0
EPSS: +0.2
CVSS: +36
POC: 0

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CVE-2026-28209 vulnerability details – vuln.today
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