EUVD-2026-36069

Umbraco is an ASP.NET CMS. Prior to versions 13.14.0 and 17.4.0, some of the Surface Controllers in the CMS provide to support member related operations fail to validate redirect URLs, making Razor templates that derive 'RedirectUrl' from user-controlled query parameters vulnerable to malicious...

CVE-2026-46616

Umbraco CMS (ASP.NET) contains an Open Redirect vulnerability in Surface Controllers used for member-related operations. Prior to versions 13.14.0 and 17.4.0, redirect URL validation fails for RedirectUrl supplied via user-controlled query parameters, allowing Razor templates to derive RedirectUr...

GHSA-2QJJ-H6WP-C7H7 Umbraco.Cms: Open Redirect Vulnerability in Surface Controllers

Impact Some of the Surface Controllers in the CMS provide to support member related operations fail to validate redirect URLs, making Razor templates that derive 'RedirectUrl' from user-controlled query parameters vulnerable to malicious redirect attacks. Patches The issue is resolved in versions...