CVE-2026-41126

Description

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.

PUBLISHED Reserved 2026-04-17 | Published 2026-04-21 | Updated 2026-04-22 | Assigner GitHub_M

Problem types

CWE-601: URL Redirection to Untrusted Site ('Open Redirect')

Product status

References

github.com/...button/security/advisories/GHSA-cvwj-4pcp-f3g8

cve.org (CVE-2026-41126)

nvd.nist.gov (CVE-2026-41126)

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