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OpenAdvisories
Medium · 6.3 CVE-2025-55211 EUVD-2025-29256

FreePBX Post-Authenticated Command Injection

Published Sep 15, 2025 · Updated Feb 13, 2026 · Assigned by GitHub_M

Description

FreePBX is an open-source web-based graphical user interface. From 17.0.19.11 to before 17.0.21, authenticated users of the Administrator Control Panel (ACP) can run arbitrary shell commands by maliciously changing languages of the framework module. This vulnerability is fixed in 17.0.21.

Affected products

VendorProductAffectedFixed
FreePBX framework >= 17.0.19.11, < 17.0.21 —

References