Umbraco
Umbraco Security Releases - October 2026
umbraco-2026-10 Oct 1, 2026 Source: Vendor
Umbraco security advisories for October 2026, compiled from CVE.org records.
Source of record
The credited names below are quoted verbatim from the vendor's own advisory:
https://www.cve.org/CVERecord?id=CVE-2026-111624
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CVE-2026-111624
BR2026-0000-034578
Umbraco-CMS
unclaimed
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. Attac...
Credited as lichoin