Vulnerability · Published Mar 5, 2026 · Assigned by GitHub_M
CVE-2026-28209FreePBX: Command Injection leading to Remote Code Execution in FreePBX ElevenLabs Text-to-Speech integration
High 7.5
In plain English
A high-severity OS command injection in security-reporting from FreePBX. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities).
Severity (CVSS 4.0)7.5High
Exploit odds (30 days)1.0%top 36.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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 recordings module. This issue has been patched in versions 16.0.20 and 17.0.5.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| FreePBX | security-reporting | >= 16.0.17.2, < 16.0.20>= 17.0.2.4, < 17.0.5 |
Weakness: CWE-78 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N