medium5.4
CVE-2026-46616
Umbraco.Cms: Open Redirect Vulnerability in Surface Controllers
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| nuget | Umbraco.Cms | < 13.14.0 | 13.14.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Umbraco | Umbraco Cms | before 13.14.0 from 14.0.0 before 17.4.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-2qjj-h6wp-c7h7
- https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-2qjj-h6wp-c7h7
- https://github.com/umbraco/Umbraco-CMS/pull/22561
- https://github.com/umbraco/Umbraco-CMS/pull/22565
- https://nvd.nist.gov/vuln/detail/CVE-2026-46616