Authorization Bypass Through User-Controlled Key

Overview Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via a backpoffice API endpoint. An attacker can modify domain-related data on content nodes without proper authorization by making crafted API calls as an authenticated user, even when...

PT-2025-31370 · Umbraco · Umbraco

Name of the Vulnerable Software and Affected Versions: Umbraco versions 13.0.0 through 13.9.2 Umbraco versions 15.0.0 through 15.4.1 Umbraco versions 16.0.0 through 16.1.0 Description: Umbraco’s content delivery API can be restricted to require an API key in a header for authorization. Output...

CVE-2025-27601 Umbraco Allows Improper API Access Control to Low-Privilege Users to Data Type Functionality

Umbraco is a free and open source .NET content management system. An improper API access control issue has been identified Umbraco's API management package prior to versions 15.2.3 and 14.3.3, allowing low-privilege, authenticated users to create and update data type information that should be...

Umbraco Allows User Enumeration Feasible Based On Management API Timing and Response Codes

Impact Based on an analysis of response codes and timing of Umbraco 14+ management API responses, it's possible to determine whether an account exists. Patches Patched in 14.3.2 and 15.1.2. Workarounds None available...