CVE-2022-29232: Bigbluebutton

Medium severity, CVSS 6.5. EPSS: 1.1% chance of exploitation in the next 30 days.

BigBlueButton is an open source web conferencing system. Starting with version 2.2 and prior to versions 2.3.9 and 2.4-beta-1, an attacker can circumvent access controls to obtain the content of public chat messages from different meetings on the server. The attacker must be a participant in a meeting on the server. BigBlueButton versions 2.3.9 and 2.4-beta-1 contain a patch for this issue. There are currently no known workarounds.

Affected products

• Bigbluebutton Bigbluebutton: from 2.2.0, before 2.3.9 (fixed in 2.3.9); version 2.4 only

Published 2022-06-01. Last modified 2026-06-17.