CVE-2026-46404

6.8 Moyenne

Publiée le 16/07/2026 à 21:16 · Modifiée le 17/07/2026 à 21:17 · Analyse NVD reportée · Source : security-advisories@github.com

Description

BigBlueButton is an open-source virtual classroom. Prior to 3.0.23, the presentation URL validation did not properly restrict access to site local and link local addresses. The redirect following logic now pins resolved IPs. This issue is fixed in version 3.0.23.

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Produits concernés

bigbluebutton

Scores CVSS

Version	Score	Source	Vecteur
3.1	6.8 Moyenne	security-advisories@github.com	`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N`

Faiblesses (CWE)

CWE-918

Références

https://github.com/bigbluebutton/bigbluebutton/commit/7ccc60c965d744d9fb637715052352a1e59a2c27
https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-xqm3-6q7q-4v5h

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories