---
id: CVE-2026-73662
title: FreePBX is an open source IP PBX
summary: >-
  FreePBX is an open source IP PBX. From 17.0.1 until 17.0.7, the FreePBX Music
  on Hold module permits dangerous command-line options for /usr/bin/mpg123 and
  other allowed players in validateCustomConfiguration() in Music.class.php. An
  aut…
severity: none
cwe:
  - CWE-78
published: '2026-08-13'
updated: '2026-09-18'
sourceUpdated: '2026-09-18T20:05:53.723'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-73662'
references:
  - url: >-
      https://github.com/FreePBX/music/commit/9f45605982202a34244ff22c4f635af0dfc1a733
    label: security-advisories@github.com
  - url: >-
      https://github.com/FreePBX/security-reporting/security/advisories/GHSA-p97w-rq48-p8q2
    label: security-advisories@github.com
tags:
  - nvd
epss: 0.0064
epssPercentile: 0.48467
ingestedAt: '2026-09-18T20:51:25.614Z'
---

## Overview

FreePBX is an open source IP PBX. From 17.0.1 until 17.0.7, the FreePBX Music on Hold module permits dangerous command-line options for /usr/bin/mpg123 and other allowed players in validateCustomConfiguration() in Music.class.php. An authenticated administrator can use options that write files, open control channels, or create Asterisk call files because applicationUsesDisallowedPlayerOption() does not reject those arguments, resulting in arbitrary command execution as the asterisk service user. This issue is fixed in version 17.0.7.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.