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CVE-2026-55489

🗓️ 20 Aug 2026 21:36:35Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 24 Views🌐 WEB

IDOR in BigBlueButton allows presenters to delete other meetings' presentations via GraphQL presentationId. Fixed in 3.0.29.

Related
Detection
Affected
Refs
Paths
Vulners
[
  {
    "vendor": "bigbluebutton",
    "product": "bigbluebutton",
    "versions": [
      {
        "version": "< 3.0.29",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
presentationIdrequest bodyapi/graphqlGraphQL endpoint misuse: providing a presentationId allows deletion of a presentation in another meeting due to missing verification, enabling cross-meeting disruption.CWE-639

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21 Aug 2026 12:16Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.14.9
EPSS0.00193
SSVC
24