Bigbluebutton

    Dashboard / Vendors

    Products: 3
    Vulnerabilities: 67
    Known Exploited: 0
    5
    Critical Level Threats
    16
    High Level Threats
    39
    Medium Level Threats
    7
    Low Level Threats

    Vulnerabilities

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    Vulnerabilities

    CVE-2026-55489

    BigBlueButton: IDOR on BBB through /api/graphql via POST parameter "presentationId" leads to Authentication Bypass

    Last Modified: Aug 21, 2026
    Published: Aug 20, 2026

    CVE-2026-55491

    BigBlueButton: Stored XSS in Screenshare Recording Playback via Unescaped Meeting Name

    Last Modified: Aug 21, 2026
    Published: Aug 20, 2026

    CVE-2026-46355

    BigBlueButton: Unauthenticated Session Hijack via Exposed /bigbluebutton/api/handleJoinExistingUser

    Last Modified: Aug 25, 2026
    Published: Aug 20, 2026

    CVE-2026-46682

    BigBlueButton: Blind SQL Injection AUTH (Moderator)

    Last Modified: Aug 21, 2026
    Published: Aug 20, 2026

    CVE-2026-46353

    BigBlueButton API checksum bypass via presentationUploadExternalUrl

    Last Modified: Jul 16, 2026
    Published: Jul 16, 2026
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    Bigbluebutton Vulnerabilities & Security CVEs | CVE-DB