CVE-2026-46616

Umbraco.Cms: Open Redirect Vulnerability in Surface Controllers

Published Jun 10, 2026 CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-2qjj-h6wp-c7h7 Umbraco.Cms: Open Redirect Vulnerability in Surface Controllers
History
Type Values Removed Values Added
First Time appeared Umbraco umbraco Cms
CPEs cpe:2.3:a:umbraco:umbraco_cms:*:*:*:*:*:*:*:*
Vendors & Products Umbraco umbraco Cms
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Umbraco
Umbraco cms
Vendors & Products Umbraco
Umbraco cms
Type Values Removed Values Added
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.
Title Umbraco.Cms: Open Redirect Vulnerability in Surface Controllers
Weaknesses CWE-601
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jun 10, 2026, 7:31 PM
Reserved
May 15, 2026, 7:34 PM
Status
Analyzed
Published
Jun 10, 2026, 5:16 PM
Modified
Oct 26, 2026, 11:10 AM