CVE-2026-86721: Wwbn Avideo

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

AVideo through commit c3edcc274c contains an authorization bypass vulnerability where a session cookie named 'key' with value 'value' overrides the $_REQUEST['key'] parameter in saveLive.php and related endpoints. Attackers can publish to any user's RTMP stream without authentication by using the known constant stream key value to hijack live broadcasts.

Affected products

Published 2026-09-08. Last modified 2026-09-19.