CVE-2026-54708

Authenticated Remote Code Execution via Path Traversal in FreePBX Backup Module

State: Published
Severity: 8.6 High
Published: Sep 28, 2026
Updated: Sep 29, 2026
Reserved: Jun 15, 2026

Description

FreePBX is an open source IP PBX. Prior to versions 16.0.72 and 17.0.7, a critical vulnerability exists in the FreePBX backup Module that allows authenticated attackers to execute arbitrary code on the server. Authentication with a known username that has sufficient access permissions and/or write access to backup files is required. This vulnerability is caused by improper path sanitization in the backup restore functionality, enabling attackers to upload malicious PHP files to the web root directory. This issue has been patched in versions 16.0.72 and 17.0.7.

Scores

CVSS	Score	Vector	Source
4.0	8.6 High	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	GitHub_M

Weaknesses

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-94 Improper Control of Generation of Code ('Code Injection')

Affected Products

Product	Versions
security-reportingFreePBX	< 16.0.72Affected < 17.0.7Affected

References

https://github.com/FreePBX/security-reporting/security/advisories/GHSA-5hhg-w366-g6fh

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