CVE-2026-46616 — MEDIUM (5.4)

Q: How severe is CVE-2026-46616?

CVE-2026-46616 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-46616?

Check the references section above for vendor advisories and patch information. Affected products include: Umbraco Umbraco Cms.

Vulnerability 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.

CVSS Score

5.4

MEDIUM

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 Products

Vendor	Product	Versions
Umbraco	Umbraco Cms	< 13.14.0

Related Weaknesses (CWE)

CWE-601

References

https://github.com/umbraco/Umbraco-CMS/pull/22561Issue TrackingPatch
https://github.com/umbraco/Umbraco-CMS/pull/22565Issue TrackingPatch
https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-2qjj-h6wp-c7h7MitigationVendor Advisory

FAQ

What is CVE-2026-46616?

CVE-2026-46616 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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 te...

How severe is CVE-2026-46616?

CVE-2026-46616 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-46616?

Check the references section above for vendor advisories and patch information. Affected products include: Umbraco Umbraco Cms.