SQL Injection in Freepbx Missedcall

CVE-2026-73663

FreePBX is an open source IP PBX. From 16.0.0 until 16.0.11 and 17.0.4, the FreePBX missedcall module places the inbound Caller ID name from crafted SIP From headers into the missedcalllog INSERT in agi-bin/missedcallnotify.php without escaping or bound parameters. An unauthenticated caller can inject SQL when a monitored extension goes unanswered, corrupting the database and modifying FreePBX administrator accounts to obtain unauthorized remote access. This issue is fixed in versions 16.0.11 and 17.0.4.

Vulnerability class: SQL Injection

Published · last modified .

EPSS exploit prediction

EPSS: 0.017 (75.6th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-73663: rose from 0.010 to 0.017.

EPSS over last 30 days · oldest: 0.010 · newest: 0.017 · change: +0.007

Affected products

Weakness classification (CWE)

References