← Back to CVE search

CVE-2026-46404

BigBlueButton

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.

CVSS 6.8EPSS 0.256%Risk 0.7
View source
Published
2026-07-16 19:16:46
Affected versions
<3.0.23
Type
Web application
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N