BigBlueButton is an open-source virtual classroom. Versions prior to 3.0.24 have a missing authorization that allows viewers to inject/overwrite captions Version 3.0.24 tightened the permissions on who is able to submit captions. No known workarounds are available.
History

Wed, 22 Apr 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 22 Apr 2026 01:45:00 +0000

Type Values Removed Values Added
First Time appeared Bigbluebutton
Bigbluebutton bigbluebutton
Vendors & Products Bigbluebutton
Bigbluebutton bigbluebutton

Wed, 22 Apr 2026 00:00:00 +0000

Type Values Removed Values Added
Description BigBlueButton is an open-source virtual classroom. Versions prior to 3.0.24 have a missing authorization that allows viewers to inject/overwrite captions Version 3.0.24 tightened the permissions on who is able to submit captions. No known workarounds are available.
Title BigBlueButton's missing authorization allows viewer to inject/overwrite captions
Weaknesses CWE-639
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-04-22T13:12:52.166Z

Reserved: 2026-04-17T12:59:15.737Z

Link: CVE-2026-41127

cve-icon Vulnrichment

Updated: 2026-04-22T13:12:48.269Z

cve-icon NVD

Status : Deferred

Published: 2026-04-22T00:16:28.463

Modified: 2026-04-22T20:26:20.563

Link: CVE-2026-41127

cve-icon Redhat

No data.