CVE-2026-41126 — Open Redirect

CVE-2026-41126 — Open Redirect

CVE-2026-41126 — BigBlueButton is an open-source virtual classroom. Versions prior to 3.0.24 have an Open Redirect through bigbluebutton/api/join via get-parameter "logoutURL." Version 3.0.24 has adjusted the handling of requests with incorrect checksum so that the default logoutURL is used. No know

What This Means For You

  • If your environment is affected by CWE-601, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-41126 updates and patches.

Related ATT&CK Techniques

🛡️ Detection Rules

2 rules · 6 SIEM formats

2 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.

medium T1190 Initial Access

CVE-2026-41126 - BigBlueButton Open Redirect via logoutURL

Sigma YAML — free preview
✓ Sigma · Splunk SPL Sentinel KQL Elastic QRadar AQL Wazuh Export via Bot →

Indicators of Compromise

IDTypeIndicator
CVE-2026-41126 vulnerability CVE-2026-41126
CWE-601 weakness CWE-601
Source & Attribution
Source PlatformNVD
ChannelNational Vulnerability Database
PublishedApril 22, 2026 at 03:16 UTC

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