CVE-2026-41126 — BigBlueButton has Open Redirect through bigbluebutton/api/join via get-parameter "logoutURL"

CVE-2026-41126

BigBlueButton has Open Redirect through bigbluebutton/api/join via get-parameter "logoutURL" PUBLISHED

Description (CNA)

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 are available.

Affected (CNA)

Vendor / product	Versions
bigbluebutton / bigbluebutton	affected < 3.0.24

CWE

CWE-601

References

https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-cvwj-4pcp-f3g8

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.