---
id: CVE-2026-73661
title: FreePBX is an open source IP PBX
summary: >-
  FreePBX is an open source IP PBX. Prior to 16.0.47 and 17.0.30, the FreePBX
  Framework module permits a crafted backup to restore the hidden AUTHTYPE
  setting with the value none through runRestore() in
  amp_conf/htdocs/admin/libraries/Buil…
severity: none
cwe:
  - CWE-15
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-2026-73661'
references:
  - url: >-
      https://github.com/FreePBX/framework/commit/0591581654bc269df05cbb7093645d6934d4d861
    label: security-advisories@github.com
  - url: >-
      https://github.com/FreePBX/framework/commit/ea684be89abb393d1aff7f979d5fd751ff338dfd
    label: security-advisories@github.com
  - url: >-
      https://github.com/FreePBX/security-reporting/security/advisories/GHSA-f6hc-rqxg-ch86
    label: security-advisories@github.com
tags:
  - nvd
epss: 0.00602
epssPercentile: 0.46541
ingestedAt: '2026-09-18T20:51:25.613Z'
---

## Overview

FreePBX is an open source IP PBX. Prior to 16.0.47 and 17.0.30, the FreePBX Framework module permits a crafted backup to restore the hidden AUTHTYPE setting with the value none through runRestore() in amp_conf/htdocs/admin/libraries/Builtin/Restore.php. An authenticated user with sufficient backup-restore access or write access to backup files can thereby disable FreePBX authentication during restoration, bypassing the user-interface removal of AUTHTYPE=none. This issue is fixed in versions 16.0.47 and 17.0.30.

## Remediation

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