VULNERABILITY INTELLIGENCE

CVE-2026-41127

CVSS score6.5 MEDIUM

EPSS probability0.18%

CISA KEVNot currently listed

Published2026-04-22

Last modified2026-06-17

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.