The recently disclosed React2Shell (CVE-2025-55182) vulnerability represents a critical security flaw affecting certain React-based applications that improperly handle user-controlled input in server-side execution contexts. This vulnerability can allow attackers to escalate from client-side manipulation to remote command execution (RCE) on backend systems. In this post, we’ll break down: What is React2Shell? The React2Shell vulnerability is… Continue reading One request, full server access: Inside the React2Shell vulnerability