CVE-2026-46616

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.

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/umbraco/Umbraco-CMS/pull/22561	Issue Tracking Patch
https://github.com/umbraco/Umbraco-CMS/pull/22565	Issue Tracking Patch
https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-2qjj-h6wp-c7h7	Mitigation Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:umbraco:umbraco_cms::::::::
	cpe:2.3:a:umbraco:umbraco_cms::::::::

History

26 Oct 2026, 11:10

Type	Values Removed	Values Added
Summary		(es) Umbraco es un CMS de ASP.NET. Antes de las versiones 13.14.0 y 17.4.0, algunos de los Surface Controllers en el CMS que brindan soporte para operaciones relacionadas con miembros no validan las URL de redirección, haciendo que las plantillas Razor que derivan ’RedirectUrl’ de parámetros de consulta controlados por el usuario sean vulnerables a ataques de redirección maliciosa. Este problema ha sido parcheado en las versiones 13.14.0 y 17.4.0.

Information

Published : 2026-06-10 17:16

Updated : 2026-10-26 11:10

NVD link : CVE-2026-46616

Mitre link : CVE-2026-46616

CVE.ORG link : CVE-2026-46616

JSON object : View

Products Affected

umbraco

umbraco_cms

CWE

CWE-601

URL Redirection to Untrusted Site ('Open Redirect')

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