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[UPDATE] [high] BigBlueButton: Multiple Vulnerabilities

highCVE-2026-46355CVE-2026-46682
An attacker can exploit multiple vulnerabilities in BigBlueButton to present false information and to conduct a SQL injection attack.

CSIRTS triage

What
Multiple vulnerabilities in BigBlueButton allow attackers to conduct SQL injection and present false information via cross-site scripting.
Who is affected
All deployments of BigBlueButton are affected.
Urgency
High urgency; SQL injection is a critical vulnerability class enabling data compromise regardless of exploitation status.
Action
Update BigBlueButton to a patched version addressing CVE-2026-46355 and CVE-2026-46682.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity
high
Published
2026-08-21
Exploitation
Not in CISA KEV at last sync
Language
Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1804

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-46355coverage & exploitation statusNVD · CVE.org
CVE-2026-46682coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

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