CVE-2026-41126 (GCVE-0-2026-41126)

Vulnerability from cvelistv5 – Published: 2026-04-21 23:22 – Updated: 2026-04-22 14:16
VLAI
Title
BigBlueButton has Open Redirect through bigbluebutton/api/join via get-parameter "logoutURL"
Summary
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 known workarounds are available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-22 14:16 UTC
CWE
  • CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')
References
Impacted products
Vendor Product Version CPE status
bigbluebutton bigbluebutton Affected: < 3.0.24
guessed Create a notification for this product.
Show details on NVD website

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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