Medium severity4.6OSV Advisory· Published Jun 28, 2024· Updated Jun 17, 2026
CVE-2024-38518
CVE-2024-38518
Description
BigBlueButton is an open-source virtual classroom designed to help teachers teach and learners learn. An attacker with a valid join link to a meeting can trick BigBlueButton into generating a signed join link with additional parameters. One of those parameters may be "role=moderator", allowing an attacker to join a meeting as moderator using a join link that was originally created for viewer access. This vulnerability has been patched in version(s) 2.6.18, 2.7.8 and 3.0.0-alpha.7.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
22.2-beta-10, 2.2-beta-11, 2.2-beta-12, …+ 1 more
- (no CPE)range: 2.2-beta-10, 2.2-beta-11, 2.2-beta-12, …
- (no CPE)range: before 2.6.18, 2.7.8 and 3.0.0-alpha.7
Patches
Vulnerability mechanics
References
4- github.com/bigbluebutton/bigbluebutton/commit/a9d436accdcd26ea66bed9f391488ac128cd62d1nvd
- github.com/bigbluebutton/bigbluebutton/commit/ea6e9461dceae8fa593543d8c686f77bb8677e72nvd
- github.com/bigbluebutton/bigbluebutton/pull/20279nvd
- github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-4m48-49h7-f3c4nvd
News mentions
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