Improper Authorization in Umbraco CMS - CVE-2025-27601

 

Improper Authorization in Umbraco CMS - CVE-2025-27601

Published: March 24, 2025


Vulnerability identifier: #VU105961
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-27601
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Umbraco
Affected software:
Umbraco CMS

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to improper API access control. A remote user can create and update data type information that should be restricted to users with access to the settings section.


How to mitigate CVE-2025-27601

Install updates from vendor's website.

Sources