medium6.8
CVE-2026-46404
BigBlueButton is an open-source virtual classroom.
Impact
BigBlueButton is an open-source virtual classroom. Prior to 3.0.23, the presentation URL validation did not properly restrict access to site local and link local addresses. The redirect following logic now pins resolved IPs. This issue is fixed in version 3.0.23.
Affected products
| Product | Affected versions |
|---|---|
| BigBlueButton Is An Open-Source Virtual Classroom. | before 3.0.23 |
Versions were read from the advisory text. No structured product data has been published for this record yet.