---
title: "CVE-2026-54708: FreePBX - Remote Code Execution"
description: "FreePBX < 16.0.72 and < 17.0.7 contain a command injection caused by improper path sanitization in backup restore functionality, letting authenticated attackers with write access execute arbitrary code by uploading malicious PHP files."
url: https://panop.io/threat-heartbeat/CVE-2026-54708/
---

# CVE-2026-54708 FreePBX - Remote Code Execution

FreePBX < 16.0.72 and < 17.0.7 contain a command injection caused by improper path sanitization in backup restore functionality, letting authenticated attackers with write access execute arbitrary code by uploading malicious PHP files.

CVSS base score 8.6 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.45% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-54708)

## Details

Type

Remote Code Execution

Impact

Remote Code Execution

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/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

Published

28 September 2026

Updated

15 October 2026

Weakness

[CWE-22](https://cwe.mitre.org/data/definitions/22.html)

## Vendor fix

Upgrade to versions 16.0.72 or 17.0.7 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-54708](https://nvd.nist.gov/vuln/detail/CVE-2026-54708)
- [https://github.com/FreePBX/security-reporting/security/advisories/GHSA-5hhg-w366-g6fh](https://github.com/FreePBX/security-reporting/security/advisories/GHSA-5hhg-w366-g6fh)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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