This article was originally published on .cult by Manusha Chethiyawardhana. .cult is a Berlin-based community platform for developers. We write about all things career-related, make original ...
A maximum severity vulnerability, dubbed 'React2Shell', in the React Server Components (RSC) 'Flight' protocol allows remote code execution without authentication in React and Next.js applications.
In early December 2025, the React core team disclosed two new vulnerabilities affecting React Server Components (RSC). These issues – Denial-of-Service and Source Code Exposure were found by security ...