Lucene search
+L

CVE-2026-55489 BigBlueButton: IDOR on BBB through /api/graphql via POST parameter "presentationId" leads to Authentication Bypass

🗓️ 20 Aug 2026 21:36:35Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 8 Views

BigBlueButton IDOR via GraphQL presentationId allows deleting other meetings' presentations before 3.0.29.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-55489
20 Aug 202621:36
cve
euvd
EUVD
EUVD-2026-63683
20 Aug 202621:36
euvd
nvd
NVD
CVE-2026-55489
20 Aug 202622:17
nvd
ptsecurity
Positive Technologies
PT-2026-79191
20 Aug 202600:00
ptsecurity
[
  {
    "vendor": "bigbluebutton",
    "product": "bigbluebutton",
    "versions": [
      {
        "version": "< 3.0.29",
        "status": "affected"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation