PT-2026-99958 · Freepbx · Freepbx

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CVE-2026-54674

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Published

2026-09-28

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Updated

2026-09-28

CVSS v4.0

8.6

High

VectorAV: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
Name of the Vulnerable Software and Affected Versions FreePBX versions prior to 16.0.39 FreePBX versions prior to 17.0.7
Description Authenticated users of the User Control Panel (UCP) can execute arbitrary commands on the PBX as the webserver user, typically asterisk, by using specially crafted HTTP strings. The issue stems from insufficient sanitization of certain URL parameters within the UCP, which allows for the execution of binaries on the host server through command chaining.
Recommendations Update to version 16.0.39 or later. Update to version 17.0.7 or later.

Fix

OS Command Injection

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Weakness Enumeration

Related Identifiers

CVE-2026-54674

Affected Products

Freepbx