CVE-2026-46682: Bigbluebutton

High severity, CVSS 8.5. EPSS: 0.6% chance of exploitation in the next 30 days.

BigBlueButton is an open-source virtual classroom. Prior to 3.0.23, BigBlueButton allowed authenticated moderators to inject SQL through the meetingId and userId values used by refreshBreakoutRoomsVisibleForUsers in akka-bbb-apps/src/main/scala/org/bigbluebutton/core/db/BreakoutRoomUserDAO.scala. The method interpolated those values into breakout room visibility queries, allowing arbitrary SQL execution against the application database. This issue is fixed in version 3.0.23.

Affected products

• Bigbluebutton Bigbluebutton: before 3.0.23 (fixed in 3.0.23)

Published 2026-08-20. Last modified 2026-09-16.