CVE-2026-41126

BigBlueButton is an open-source virtual classroom. Versions prior to 3.0.24 have an Open Redirect through bigbluebutton/api/join via get-parameter "logoutURL." Version 3.0.24 has adjusted the handling of requests with incorrect checksum so that the default logoutURL is used. No known workarounds...

PT-2026-34217

Name of the Vulnerable Software and Affected Versions BigBlueButton versions prior to 3.0.24 Description An open redirect exists in the 'bigbluebutton/api/join' endpoint through the logoutURL parameter. This occurs when requests with incorrect checksums are handled improperly, allowing a redirect...