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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.

PUBLISHED Reserved 2026-05-15 | Published 2026-06-10 | Updated 2026-06-10 | Assigner GitHub_M




MEDIUM: 5.4CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Problem types

CWE-601: URL Redirection to Untrusted Site ('Open Redirect')

Product status

< 13.14.0
affected

>= 17.3.0-rc, < 17.4.0
affected

References

github.com/...co-CMS/security/advisories/GHSA-2qjj-h6wp-c7h7

github.com/umbraco/Umbraco-CMS/pull/22561

github.com/umbraco/Umbraco-CMS/pull/22565

cve.org (CVE-2026-46616)

nvd.nist.gov (CVE-2026-46616)

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