FreePBX backup vulnerabilities

Latest FreePBX backup CVEs

Newest publication first

1. CVE-2026-73664 FreePBX: Authenticated Arbitrary SSH Key Injection via Backup Module

   Published 2026-08-13

   High·CVSS 8.6 EPSS 0.51%

   FreePBX 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 enforcin...

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.