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CVE-2026-27466 BigBlueButton: Exposed ClamAV port enables Denial of Service

🗓️ 21 Feb 2026 07:14:49Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 20 Views

BBB 3.0.21 and earlier expose 3310 and 7357 ports, enabling DoS on clamd; fixed 3.0.22.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-27466
21 Feb 202607:14
attackerkb
Circl
CVE-2026-27466
26 Feb 202620:00
circl
CNNVD
BigBlueButton 安全漏洞
21 Feb 202600:00
cnnvd
CVE
CVE-2026-27466
21 Feb 202607:14
cve
NVD
CVE-2026-27466
21 Feb 202608:16
nvd
OSV
CVE-2026-27466 BigBlueButton: Exposed ClamAV port enables Denial of Service
21 Feb 202607:14
osv
Positive Technologies
PT-2026-21364
21 Feb 202600:00
ptsecurity
RedhatCVE
CVE-2026-27466
22 Feb 202607:24
redhatcve
Vulnrichment
CVE-2026-27466 BigBlueButton: Exposed ClamAV port enables Denial of Service
21 Feb 202607:14
vulnrichment
[
  {
    "vendor": "bigbluebutton",
    "product": "bigbluebutton",
    "versions": [
      {
        "version": "< 3.0.22",
        "status": "affected"
      }
    ]
  }
]

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