[UPDATE] [high] BigBlueButton: Multiple Vulnerabilities
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
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.
- Low exploitation riskCVE-2026-463550.21% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 11% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-466820.33% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 26% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-46355 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-46682 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
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