CVEvulnerability

CVE-2026-27736

6.1 MEDIUM Published 2026-02-25 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2026-02-25
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.1 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weaknesses
CWE-601

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.

Affected configurations

• bigbluebutton bigbluebutton (< 3.0.20)

Related

Weakness · CWE (1)

  • CWE-601 URL Redirection to Untrusted Site weakness

References