BigBlueButton Multiple Vulnerabilities Allow Data Manipulation and Redirect Attacks
Summary
CERT-Bund published security advisory WID-SEC-2026-1084 identifying multiple vulnerabilities in BigBlueButton open-source web conferencing system versions prior to 3.0.24. The vulnerabilities carry a CVSS Base Score of 6.5 (medium) and Temporal Score of 5.7 (medium). Remote attackers can exploit these flaws to manipulate data and redirect users to attacker-controlled domains. Organizations running affected BigBlueButton installations should apply mitigations.
What changed
CERT-Bund issued a security advisory detailing multiple vulnerabilities in BigBlueButton open-source web conferencing software. The vulnerabilities allow remote attackers to manipulate data and conduct redirect attacks to attacker-controlled domains. Affected systems include UNIX operating systems running BigBlueButton versions prior to 3.0.24. The CVSS Base Score is 6.5 (medium) with a Temporal Score of 5.7.
Organizations using BigBlueButton should review the advisory and apply appropriate mitigations to prevent data manipulation and user redirection attacks. Security teams should identify any deployed instances of the affected software and prioritize applying available patches or workarounds.
What to do next
- Review CERT-Bund advisory WID-SEC-2026-1084
- Assess BigBlueButton deployments for exposure
- Apply vendor mitigations for affected installations
Archived snapshot
Apr 15, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
[WID-SEC-2026-1084] BigBlueButton: Mehrere Schwachstellen CVSS Base Score 6.5 (mittel) CVSS Temporal Score 5.7 (mittel) Remoteangriff ja Datum 13.04.2026 Stand 14.04.2026 Mitigation ja
Betroffene Systeme
Betriebssystem
- UNIX
Produktbeschreibung
BigBlueButton ist ein Open-Source-Web-Konferenzsystem.
Produkte
13.04.2026
- Open Source BigBlueButton <3.0.24
Angriff
Angriff
Ein Angreifer kann mehrere Schwachstellen in BigBlueButton ausnutzen, um Daten zu manipulieren und Benutzer auf vom Angreifer kontrollierte Domains umzuleiten. CVE Informationen Versionshistorie Feedback zum Advisory geben
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Source
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