What is CVE-2026-28209?

CVE-2026-28209 is a high-severity vulnerability in Freepbx Security-reporting, classified under OS Command Injection. CVSS score: 7.2/10. Published 2026-03-05.

How severe is CVE-2026-28209?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in Freepbx Security-reporting

CVE-2026-28209

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, a command injection vulnerability exists in FreePBX when using the ElevenLabs Text-to-Speech (TTS) engine in the record…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.009 (55.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Freepbx Security-reporting — versions >= 16.0.17.2, < 16.0.20, >= 17.0.2.4, < 17.0.5
Sangoma Freepbx

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

security-advisories@github.com (x_refsource_CONFIRM, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-28209?: CVE-2026-28209 is a high-severity vulnerability in Freepbx Security-reporting, classified under OS Command Injection. CVSS score: 7.2/10. Published 2026-03-05.
How severe is CVE-2026-28209?: High severity. CVSS v3 base score is 7.2 out of 10.