WID-SEC-W-2026-1916

csafDEcert_bund

DeutschShown in its original language — a full translation is planned for a future version.

BigBlueButton: Mehrere Schwachstellen

view advisory published 2026-06-14

Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in BigBlueButton ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen, Sicherheitsmaßnahmen zu umgehen und Daten zu manipulieren.

01

describes (2)

Related CVEs.

IDseverity exploitable
CVE-2026-55491US——
BigBlueButton is an open-source virtual classroom. Prior to 3.0.29, BigBlueButton failed to escape meetingName in record-and-playback/screenshare/playback/index.html.erb when gener…
CVE-2026-55489US——
BigBlueButton is an open-source virtual classroom. Prior to 3.0.29, BigBlueButton presenters could submit a presentationId through /api/graphql that identified a presentation belon…
02

references

External citations — patches, advisories, analysis.

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