Missing Authorization

Overview Umbraco.Cms.Web.Common is a package containing the web assembly needed to run Umbraco CMS. Affected versions of this package are vulnerable to Missing Authorization in the Content Delivery API, which enforces Public Access protection only on directly requested nodes, expanding Content...

Missing Authorization

Overview Umbraco.Cms.Api.Delivery is a presentation layer for the Umbraco CMS Delivery API. Affected versions of this package are vulnerable to Missing Authorization in the Content Delivery API, which enforces Public Access protection only on directly requested nodes, expanding Content Picker and...

GHSA-WR57-HQMP-FGVH Umbraco: Delivery API leaks protected (Public Access) content through Content Picker / Multi-Node Tree Picker expansion

The Content Delivery API enforces member / Public Access protection only at the controller layer, against the node that is directly requested. When a public unprotected node references a protected node through a Content Picker or Multi-Node Tree Picker including those nested inside Block List,...

Umbraco: Delivery API leaks protected (Public Access) content through Content Picker / Multi-Node Tree Picker expansion

The Content Delivery API enforces member / Public Access protection only at the controller layer, against the node that is directly requested. When a public unprotected node references a protected node through a Content Picker or Multi-Node Tree Picker including those nested inside Block List,...

CVE-2026-69197 Umbraco: Delivery API leaks protected (Public Access) content through Content Picker / Multi-Node Tree Picker expansion

Umbraco is an ASP.NET CMS. Prior to 13.15.1, 17.5.3, and 18.0.2, the Content Delivery API applies member and Public Access checks to the directly requested node but not to referenced nodes serialized through Content Picker or Multi-Node Tree Picker properties, including pickers nested in Block...

CVE-2026-69197

Umbraco CMS (ASP.NET) contains an authorization bypass in the Content Delivery API prior to 13.15.1, 17.5.3, and 18.0.2 . Member and Public Access checks are applied to the directly requested node but not to referenced nodes serialized through Content Picker or Multi-Node Tree Picker properties, ...

CVE-2026-69197 Umbraco: Delivery API leaks protected (Public Access) content through Content Picker / Multi-Node Tree Picker expansion

Umbraco is an ASP.NET CMS. Prior to 13.15.1, 17.5.3, and 18.0.2, the Content Delivery API applies member and Public Access checks to the directly requested node but not to referenced nodes serialized through Content Picker or Multi-Node Tree Picker properties, including pickers nested in Block...

CVE-2026-69197 Umbraco: Delivery API leaks protected (Public Access) content through Content Picker / Multi-Node Tree Picker expansion

Umbraco is an ASP.NET CMS. Prior to 13.15.1, 17.5.3, and 18.0.2, the Content Delivery API applies member and Public Access checks to the directly requested node but not to referenced nodes serialized through Content Picker or Multi-Node Tree Picker properties, including pickers nested in Block...

PT-2026-94380

Name of the Vulnerable Software and Affected Versions Umbraco versions prior to 13.15.1 Umbraco versions prior to 17.5.3 Umbraco versions prior to 18.0.2 Description The Content Delivery API fails to apply member and Public Access checks to referenced nodes serialized through Content Picker or...

CVE-2026-69197: Exposure of Sensitive Information to an Unauthorized Actor

Umbraco is an ASP.NET CMS. Prior to 13.15.1, 17.5.3, and 18.0.2, the Content Delivery API applies member and Public Access checks to the directly requested node but not to referenced nodes serialized through Content Picker or Multi-Node Tree Picker properties, including pickers nested in Block...