CVE-2026-94462 Spree: Broken Access Control in `PATCH /api/v3/store/carts/:id/associate` (IDOR)

Spree is an open source e-commerce solution built with Ruby on Rails. From 5.4.0 until 5.4.4 and 5.5.4, PATCH /api/v3/store/carts/:id/associate in Spree::Api::V3::Store::CartsControllerassociate uses findcartforassociation to locate a cart by prefixedid but does not require a cart token or...