CVE-2026-46616 MEDIUM

CVE-2026-46616: Umbraco.Cms: Open Redirect Vulnerability in Surface Controllers

Vendor Umbraco
Product Umbraco-CMS
Weakness CWE-601 · Open redirect
Published June 10, 2026
Last update June 10, 2026

CVSS base score

5.4/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

What the vulnerability does

01Description

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 redirect attacks. This issue has been patched in versions 13.14.0 and 17.4.0.

Key dates

02Disclosure timeline

June 10, 2026 CVE published
June 10, 2026 Record updated