hono/jsx does not isolate context per request, leading to cross-request data disclosure

Summary hono/jsx did not isolate context values per request during server-side rendering. While an async component was suspended on await, its provided context value stayed observable to other requests rendering concurrently, so useContext could return a value from a different in-flight request...

CVE-2026-59896 hono/jsx does not isolate context per request, leading to cross-request data disclosure

Hono is a Web application framework that provides support for any JavaScript runtime. From 4.11.8 before 4.12.27, hono/jsx did not isolate context values per request during server-side rendering, allowing createContext, useContext, jsxRenderer, or useRequestContext data from a different in-flight...