CVE-2026-44836

viewcomponent is a framework for building reusable, testable, and encapsulated view components in Ruby on Rails. From 3.0.0 to 4.9.0, the preview route derives an example name from the URL and calls it with publicsend. The code does not verify that the requested method is one of the preview...

CVE-2026-44836

CVE-2026-44836 insight (normal mode) The vulnerability affects the Ruby on Rails component framework view_component (versions 3.0.0 through 4.8.x; fixed in 4.9.0). The preview route derives an example name from the URL and uses public_send to dispatch to that preview without verifying it is an ex...

CVE-2026-44836 view_component: Preview Route Can Dispatch Inherited Helper Methods

viewcomponent is a framework for building reusable, testable, and encapsulated view components in Ruby on Rails. From 3.0.0 to 4.9.0, the preview route derives an example name from the URL and calls it with publicsend. The code does not verify that the requested method is one of the preview...

CVE-2026-44836 view_component: Preview Route Can Dispatch Inherited Helper Methods

viewcomponent is a framework for building reusable, testable, and encapsulated view components in Ruby on Rails. From 3.0.0 to 4.9.0, the preview route derives an example name from the URL and calls it with publicsend. The code does not verify that the requested method is one of the preview...

view_component: Preview Route Can Dispatch Inherited Helper Methods

Summary The preview route derives an example name from the URL and calls it with publicsend. The code does not verify that the requested method is one of the preview examples explicitly defined by the preview class. As a result, inherited public methods on ViewComponent::Preview are...

view_component - Preview Route Can Dispatch Inherited Helper Methods'

The preview route derives an example name from the URL and calls it with publicsend. The code does not verify that the requested method is one of the preview examples explicitly defined by the preview class. As a result, inherited public methods on ViewComponent::Preview are route-reachable. The...