CVE-2026-54498

CVE-2026-54498 affects ViewComponent (Ruby on Rails) where ViewComponent::Base#around_render can return HTML-unsafe strings, bypassing normal escaping and causing XSS. The issue is amplified when ViewComponent::Collection#render_in joins per-item results and marks the whole output html_safe, conv...

CVE-2026-54498 view_component: around_render HTML-Safety Bypass

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...