CVE-2026-46616

Name: CVE-2026-46616
Creator: NVD / NIST
Published: 2026-06-10T17:16:37.387+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.18%

Last modified Jun 17, 2026

CVE-2026-46616 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.18%

7.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-601

Affected Software

Vendor	Product	Versions
Umbraco	Umbraco Cms	< 13.14.0
Umbraco	Umbraco Cms	>= 14.0.0, < 17.4.0

References

https://github.com/umbraco/Umbraco-CMS/pull/22561Issue Tracking, Patch
https://github.com/umbraco/Umbraco-CMS/pull/22565Issue Tracking, Patch
https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-2qjj-h6wp-c7h7Mitigation, Vendor Advisory

Timeline

Published: Jun 10, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-46616?

How severe is CVE-2026-46616?

CVE-2026-46616 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.

How do I fix CVE-2026-46616?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-46616?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST