CVE-2026-28287CWE-78

FreePBX: Authenticated Remote Code Execution via Recordings Module AJAX Endpoints

High · published March 5, 2026

CVSS v4.0
8.6
EPSS
2%
Percentile
75.9
In the wild
Unconfirmed
What it is

FreePBX is an open source IP PBX. From versions 16.0.17.2 to before 16.0.20 and from version 17.0.2.4 to before 17.0.5, multiple command injection vulnerabilities exist in the recordings module. This issue has been patched in versions 16.0.20 and 17.0.5.

The record
Technical detail
CVSS v4.0
8.6 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.01618 · 75.9th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-03-05T18:25Z
EPSS history
Timeline
  • 05 MAR 18:25Z
    FreePBX: Authenticated Remote Code Execution via Recordings Module AJAX Endpoints
    cvelistv5