CVE-2026-28209

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

Published: Mar 5, 2026Updated: Mar 6, 2026 Sources: CVE List NVDCWE-78

7.2HIGH

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:HPrivileges Required

High

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-78

Affected Products

sangoma

commercial·CAaka freepbx, certified asterisk, asterisk

freepbxOn-premWeb App

Communications / messaging-chat

FreePBX

oss-projectaka security-reporting, endpoint

security-reportingOn-prem

Communications / voip-telephony

Exploitability

Workaround Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Execution

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References

https://github.com/FreePBX/security-reporting/security/advisories/GHSA-f558-mp87-58vj

github.com

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