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...

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,...

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,...

CVE-2026-69197

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...

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, ...

EUVD-2026-81902

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...

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...

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-2026-8330

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 9.3 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed sensitive information to be written to application logs due to insufficient filtering in a CI/CD API endpoint...

CVE-2025-54425

Umbraco is an ASP.NET CMS. In versions 13.0.0 through 13.9.2, 15.0.0 through 15.4.1 and 16.0.0 through 16.1.0, the content delivery API can be restricted from public access where an API key must be provided in a header to authorize the request. It's also possible to configure output caching, such...

CVE-2025-54425 Umbraco's Delivery API allows for cached requests to be returned with an invalid API key

Umbraco is an ASP.NET CMS. In versions 13.0.0 through 13.9.2, 15.0.0 through 15.4.1 and 16.0.0 through 16.1.0, the content delivery API can be restricted from public access where an API key must be provided in a header to authorize the request. It's also possible to configure output caching, such...

CVE-2025-54425 Umbraco's Delivery API allows for cached requests to be returned with an invalid API key

Umbraco is an ASP.NET CMS. In versions 13.0.0 through 13.9.2, 15.0.0 through 15.4.1 and 16.0.0 through 16.1.0, the content delivery API can be restricted from public access where an API key must be provided in a header to authorize the request. It's also possible to configure output caching, such...

CVE-2025-54425

CVE-2025-54425 affects Umbraco’s Delivery API. When public access is restricted by an API key header and output caching is enabled, the cache does not vary by the API key header, potentially returning cached responses to users without a valid API key if a prior request with a valid key occurred. ...

CVE-2025-54425: Exposure of Sensitive Information to an Unauthorized Actor

Umbraco is an ASP.NET CMS. In versions 13.0.0 through 13.9.2, 15.0.0 through 15.4.1 and 16.0.0 through 16.1.0, the content delivery API can be restricted from public access where an API key must be provided in a header to authorize the request. It's also possible to configure output caching, such...

GHSA-75VQ-QVHR-7FFR Umbraco Delivery API allows for cached requests to be returned with an invalid API key

Impact Umbraco's content delivery API can be restricted from public access such that an API key must be provided in a header to authorize the request. It's also possible to configure output caching, such that the delivery API outputs will be cached for a period of time, improving performance...

Umbraco Delivery API allows for cached requests to be returned with an invalid API key

Impact Umbraco's content delivery API can be restricted from public access such that an API key must be provided in a header to authorize the request. It's also possible to configure output caching, such that the delivery API outputs will be cached for a period of time, improving performance...