⚠️ CRITICAL: Fastjson 1.x RCE Vulnerability Targeted in Attacks With No Patched Available Attackers are actively exploiting CVE-2026-16723, a critical RCE in Alibaba Fastjson 1.x used by Spring Boot applications. Unauthenticated code execution is possible with Java process privileges. No patch exists for 1.x versions yet. https://threatnoir.com/focus #infosec #cybersecurity