DeutschShown in its original language — a full translation is planned for a future version.
BigBlueButton: Mehrere Schwachstellen
view advisory published 2026-05-17
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in BigBlueButton ausnutzen, um Sicherheitsvorkehrungen zu umgehen und vertrauliche Informationen offenzulegen.
01
describes (3)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-46404US | — | — | ||
BigBlueButton is an open-source virtual classroom. Prior to 3.0.23, the presentation URL validation did not properly restrict access to site local and link local addresses. The red… | ||||
| CVE-2026-46353US | — | — | ||
BigBlueButton is an open-source virtual classroom. Prior to 3.0.21, bbb-web checksum validation could be bypassed when a presentationUploadExternalUrl parameter was supplied to API… | ||||
| CVE-2026-46351US | —OT elevated | — | ||
BigBlueButton is an open-source virtual classroom. Prior to 3.0.21, bbb-web generated conference sessionToken values with insufficiently secure randomness in bbb-common-web/src/mai… | ||||
02
references
External citations — patches, advisories, analysis.
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