What is CVE-2026-46682?

CVE-2026-46682 is a high-severity vulnerability in Bigbluebutton, classified under SQL Injection. CVSS score: 8.5/10. Published 2026-08-20.

How severe is CVE-2026-46682?

High severity. CVSS v3 base score is 8.5 out of 10.

SQL Injection in Bigbluebutton

CVE-2026-46682

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.

Vulnerability class: SQL Injection

CVSS v3 metric

CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L.

Affected products

Bigbluebutton — versions < 3.0.23

Weakness classification (CWE)

CWE-89 — SQL Injection

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-46682?: CVE-2026-46682 is a high-severity vulnerability in Bigbluebutton, classified under SQL Injection. CVSS score: 8.5/10. Published 2026-08-20.
How severe is CVE-2026-46682?: High severity. CVSS v3 base score is 8.5 out of 10.