CVE-2026-46351

8.1 Élevée

Publiée le 16/07/2026 à 21:16 · Modifiée le 17/07/2026 à 20:36 · Analyse NVD reportée · Source : security-advisories@github.com

Description

BigBlueButton is an open-source virtual classroom. Prior to 3.0.21, bbb-web generated conference sessionToken values with insufficiently secure randomness in bbb-common-web/src/main/java/org/bigbluebutton/api/Util.java and bigbluebutton-web/grails-app/controllers/org/bigbluebutton/web/controllers/ApiController.groovy, allowing a session user to predict other users' conference session tokens and impersonate them. This issue is fixed in version 3.0.21.

Traduire en français

Produits concernés

bigbluebutton

Scores CVSS

Version	Score	Source	Vecteur
3.1	8.1 Élevée	security-advisories@github.com	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N`

Faiblesses (CWE)

CWE-330

Références

https://github.com/bigbluebutton/bigbluebutton/commit/8457886c248aeba5597ee8749267602d6d117e98
https://github.com/bigbluebutton/bigbluebutton/releases/tag/v3.0.21
https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-7959-pf2v-xc4h

Ailleurs

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