CVE-2026-41127

—

CVSS 3.1

6.5 medium

EPSS

<1%p7

Published

Apr 22, 2026 (Apr 22, 2026)

Modified

Jun 17, 2026

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.

Weakness: CWE-639
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.2%)

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