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...

GHSA-FPVF-FVP5-996R Umbraco Backoffice API Allows Unauthorized Modification of Domain Data

Description A broken object-level authorization vulnerability exists in a backoffice API endpoint that allows authenticated users to assign domain-related data to content nodes without proper authorization checks. The issue is caused by insufficient authorization enforcement on the affected API...

CVE-2026-31832

Umbraco is an ASP.NET CMS. From 14.0.0 to before 16.5.1 and 17.2.2, A broken object-level authorization vulnerability exists in a backoffice API endpoint that allows authenticated users to assign domain-related data to content nodes without proper authorization checks. The issue is caused by...

CVE-2026-31832 Umbraco Backoffice API Allows Unauthorized Modification of Domain Data

Umbraco is an ASP.NET CMS. From 14.0.0 to before 16.5.1 and 17.2.2, A broken object-level authorization vulnerability exists in a backoffice API endpoint that allows authenticated users to assign domain-related data to content nodes without proper authorization checks. The issue is caused by...

CVE-2026-31832

Umbraco is an ASP.NET CMS. From 14.0.0 to before 16.5.1 and 17.2.2, A broken object-level authorization vulnerability exists in a backoffice API endpoint that allows authenticated users to assign domain-related data to content nodes without proper authorization checks. The issue is caused by...

CVE-2026-31832

Umbraco (ASP.NET CMS) has a broken object-level authorization vulnerability in backoffice API endpoints affecting 14.0.0–before 16.5.1 and 17.2.2. An authenticated user can assign domain-related data to content nodes without proper authorization checks due to insufficient enforcement on the affec...

Incorrect Authorization

Umbraco.Cms.Web.Backoffice is vulnerable to Incorrect Authorization. The vulnerability is due to improper access control due to manipulation of backoffice API URLs, allowing authenticated users to retrieve or delete restricted content...

CVE-2025-27602

Umbraco is a free and open source .NET content management system. In versions of Umbraco's web backoffice program prior to versions 10.8.9 and 13.7.1, via manipulation of backoffice API URLs, it's possible for authenticated backoffice users to retrieve or delete content or media held within folde...

CVE-2025-27602 Umbraco Allows a Restricted Editor User to Delete Media Item or Access Unauthorized Content

Umbraco is a free and open source .NET content management system. In versions of Umbraco's web backoffice program prior to versions 10.8.9 and 13.7.1, via manipulation of backoffice API URLs, it's possible for authenticated backoffice users to retrieve or delete content or media held within folde...

CVE-2025-27602 Umbraco Allows a Restricted Editor User to Delete Media Item or Access Unauthorized Content

Umbraco is a free and open source .NET content management system. In versions of Umbraco's web backoffice program prior to versions 10.8.9 and 13.7.1, via manipulation of backoffice API URLs, it's possible for authenticated backoffice users to retrieve or delete content or media held within folde...

Umbraco Allows a Restricted Editor User to Delete Media Item or Access Unauthorized Content

Impact Via manipulation of backoffice API URLs it's possible for authenticated backoffice users to retrieve or delete content or media held within folders the editor does not have access to. Patches Will be patched in 10.8.9 and 13.7.1 Workarounds None available...

GHSA-WX5H-WQFQ-V698 Umbraco Allows a Restricted Editor User to Delete Media Item or Access Unauthorized Content

Impact Via manipulation of backoffice API URLs it's possible for authenticated backoffice users to retrieve or delete content or media held within folders the editor does not have access to. Patches Will be patched in 10.8.9 and 13.7.1 Workarounds None available...

Malicious code in Be.Vlaanderen.Basisregisters.PսblicServicеRegistry.Aрi.Bаckoffice (NuGet)

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Malicious code in Be.Vlaandereո.Basisregisters.StreetNameRegistrу.Api.BackOffiсе (NuGet)

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Malicious code in Be.Vlaanԁeren.Basisregisters.BuildingRegistry.Api.BаckOffice (NuGet)

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