๐Ÿ” CVE Alert

CVE-2026-46616

MEDIUM 5.4

Umbraco.Cms: Open Redirect Vulnerability in Surface Controllers

CVSS Score
5.4
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-601
Vendor umbraco
Product umbraco-cms
Published Jun 10, 2026
Last Updated Jun 10, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

Affected Versions

umbraco / Umbraco-CMS
< 13.14.0 >= 17.3.0-rc, < 17.4.0

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-2qjj-h6wp-c7h7 github.com: https://github.com/umbraco/Umbraco-CMS/pull/22561 github.com: https://github.com/umbraco/Umbraco-CMS/pull/22565