CVE-2026-54497: Concurrent Execution using Shared Resource with Improper Synchronization

viewcomponent is a framework for building reusable, testable, and encapsulated view components in Ruby on Rails. From 4.0.0 until 4.12.0, ViewComponent::Base instances retain render-scoped objects across calls to renderin; if the same component, collection, or spacer component instance is reused...

CVE-2026-54498: Improper Neutralization of Input During Web Page Generation

viewcomponent is a framework for building reusable, testable, and encapsulated view components in Ruby on Rails. From 4.0.0 until 4.12.0, ViewComponent::Basearoundrender can return HTML-unsafe strings that bypass the escaping behavior applied to normal call return values. This creates an XSS risk...