BigBlueButton is an open-source virtual classroom. In versions on the 3.x branch prior to 3.0.20, the string received with errorRedirectUrl lacks validation, using it directly in the respondWithRedirect function leads to an Open Redirect vulnerability. BigBlueButton 3.0.20 patches the issue. No known workarounds are available.
Metrics
Affected Vendors & Products
References
History
Thu, 26 Feb 2026 23:15:00 +0000
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ssvc
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Thu, 26 Feb 2026 13:30:00 +0000
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Bigbluebutton
Bigbluebutton bigbluebutton |
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| Vendors & Products |
Bigbluebutton
Bigbluebutton bigbluebutton |
Wed, 25 Feb 2026 17:15:00 +0000
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| Description | BigBlueButton is an open-source virtual classroom. In versions on the 3.x branch prior to 3.0.20, the string received with errorRedirectUrl lacks validation, using it directly in the respondWithRedirect function leads to an Open Redirect vulnerability. BigBlueButton 3.0.20 patches the issue. No known workarounds are available. | |
| Title | BigBlueButton has Open Redirect vulnerability in ApiController | |
| Weaknesses | CWE-601 | |
| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-02-26T21:33:41.504Z
Reserved: 2026-02-23T18:37:14.790Z
Link: CVE-2026-27736
Updated: 2026-02-26T21:07:14.460Z
Status : Received
Published: 2026-02-25T17:25:40.283
Modified: 2026-02-25T17:25:40.283
Link: CVE-2026-27736
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