PT-2026-60544 · Bigbluebutton · Bigbluebutton

CVE-2026-46404 · Publicado 2026-07-16 · Atualizado 2026-07-16

NVD

CVSS v3.1

6.8

Média

Vetor base

AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

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.

Correção

SSRF

Enumeração de Fraquezas

CWE-918

Identificadores relacionados

CVE-2026-46404

Produtos afetados

Bigbluebutton

Referências · 3

• https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-xqm3-6q7q-4v5h · Nota
• https://github.com/bigbluebutton/bigbluebutton/commit/7ccc60c965d744d9fb637715052352a1e59a2c27 · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2026-46404 · Nota de Segurança