CVEvulnerability

CVE-2026-46351

8.1 HIGH Published 2026-07-16 Modified 2026-07-17 Official page ↗

Status: Deferred
Published: 2026-07-16
Last modified: 2026-07-17
Assigner: [email protected]
CVSS 3.1 ([email protected]): 8.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weaknesses: CWE-330

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.

Weakness · CWE (1)

CWE-330 Use of Insufficiently Random Values weakness

References

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

CVE-2026-46351

Description

Related

Weakness · CWE (1)

References