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.
{
"cna_assigner": "GitHub_M",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/28xxx/CVE-2026-28209.json",
"unresolved_ranges": [
{
"extracted_events": [
{
"introduced": "16.0.17.2"
},
{
"fixed": "16.0.20"
},
{
"introduced": "17.0.2.4"
},
{
"fixed": "17.0.5"
}
],
"source": "AFFECTED_FIELD"
},
{
"extracted_events": [
{
"fixed": "16.0.20"
},
{
"fixed": "17.0.5"
}
],
"source": "DESCRIPTION"
}
],
"cwe_ids": [
"CWE-78"
]
}{
"cpe": "cpe:2.3:a:sangoma:freepbx:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "16.0.17.2"
},
{
"fixed": "16.0.20"
},
{
"introduced": "17.0.2.4"
},
{
"fixed": "17.0.5"
}
],
"source": "CPE_RANGE"
}{
"cpe": "cpe:2.3:a:sangoma:freepbx:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "16.0.17.2"
},
{
"fixed": "16.0.20"
},
{
"introduced": "17.0.2.4"
},
{
"fixed": "17.0.5"
}
],
"source": "CPE_RANGE"
}