PT-2026-116023 · Umbraco · Umbraco Cms

Lichoin

·

CVE-2026-111624

·

Publicado

2026-10-16

·

Atualizado

2026-10-16

CVSS v3.1

3.7

Baixa

VetorAV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Umbraco CMS before 17.7.1 and 18.2.1 contains a missing authorization vulnerability that allows unauthenticated clients to connect to the backoffice PreviewHub and BackofficeHub SignalR hubs. Attackers can complete the SignalR negotiate step and receive refreshed notifications that disclose content keys, including unpublished content, and reveal editorial activity timing.

Correção

Missing Authentication

Encontrou algum problema na descrição? Tem algo a acrescentar? Fique à vontade para nos escrever 👾
dbugs@ptsecurity.com

Enumeração de Fraquezas

CWE-306

Identificadores relacionados

CVE-2026-111624

Produtos afetados

Umbraco Cms