Security Advisory

CVE-2026-46404

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-16 18:04:11

Last updated 2026-07-17 18:06:48

Assigner GitHub_M

CVSS score 6.8

State PUBLISHED

Description

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.

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