CVE-2026-57579 Alchemy: Unauthenticated nested page API leaks restricted & unpublished content

Alchemy is an open source content management system engine written in Ruby on Rails. Prior to 7.4.15, 8.0.15, 8.1.14, and 8.2.6, the unauthenticated GET /api/pages/nested endpoint implemented by Api::PagesControllernested in app/controllers/alchemy/api/pagescontroller.rb returns an unfiltered pag...