# CVE-2026-41126

> Vulnerability · severity: **MEDIUM** (CVSS 4.3).

## Description

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.

## Key facts

- **CVE ID:** CVE-2026-41126
- **Published:** 2026-04-22
- **CVSS severity:** MEDIUM
- **CVSS base score:** 4.3
- **CWE codes:** CWE-601

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-41126

## Citation

> AI Analytics. CVE-2026-41126. Retrieved 2026-07-19 from https://api.ai-analytics.org/cve/CVE-2026-41126. Derived from NIST NVD. Licensed CC0.

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