FreePBX Vulnerabilities and Affected Products
Vulnerabilities associated with backup.
Products
Clear product- security-reporting9 vulnerabilities
- framework5 vulnerabilities
- endpoint4 vulnerabilities
- api3 vulnerabilities
- endpointman2 vulnerabilities
- FreePBX2 vulnerabilities
- tts2 vulnerabilities
- arimanager1 vulnerability
- backup1 vulnerability
- cdr1 vulnerability
- contactmanager1 vulnerability
- core1 vulnerability
- endpoint_manager1 vulnerability
- filestore1 vulnerability
- FreePBX Framework1 vulnerability
- missedcall1 vulnerability
- music1 vulnerability
- restapps1 vulnerability
- ucp1 vulnerability
- voicemail1 vulnerability
| Vulnerability | Title and context | CVSS | EPSS | PoCs | Signals | STIX action |
|---|---|---|---|---|---|---|
CVE-2026-73664HIGH | FreePBX: Authenticated Arbitrary SSH Key Injection via Backup ModuleFreePBX is an open source IP PBX. From 17.0.5.34 until 17.0.11, the publicKeySave AJAX endpoint in Backup.class.php accepts an authenticated administrator's SSH public key and appends it to /home/asterisk/.ssh/authorized_keys for the asterisk system user without reliably enforcing backup-only command and source restrictions. The key grants persistent shell access that can execute arbitrary commands, access FreePBX and call data, modify system files, and disrupt services. This issue is fixed in v… | CVSS8.6v4.0 | EPSS- | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |