CVE-2026-46616
Medium
Description
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.
SeverityMedium
CVSS5.4
Exploit probability—
Product
Umbraco Cms
PublishedJun 10, 2026
First seenJun 10, 2026
Weakness typeCWE-601Open redirect
How to fix
Update
- umbraco umbraco_cms13.14.0, 17.4.0 or later
- Umbraco.Cms13.14.0, 17.4.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| umbraco umbraco_cms | v < 13.14.0, 14.0.0 ≤ v < 17.4.0 | 13.14.0, 17.4.0 |
| Umbraco.CmsNuGet | v < 13.14.0, 17.3.0-rc ≤ v < 17.4.0 | 13.14.0, 17.4.0 |
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