CVE-2026-46682 BigBlueButton: Blind SQL Injection AUTH (Moderator)
Authenticated moderators can execute arbitrary SQL queries via injection in breakout room visibility parameters, potentially compromising database integrity.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-46682?
CVE-2026-46682 is a high-severity SQL injection vulnerability in bigbluebutton, published on 20 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-89
Which versions are affected by CVE-2026-46682?
How do I fix CVE-2026-46682?
No fix has been published for CVE-2026-46682 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-46682 being exploited?
There is no known exploitation of CVE-2026-46682 in the wild and no public exploit code.
Sources
Also known as GHSA-gfv2-46v4-jvw5.