CVE-2026-16723: Critical RCE in Alibaba Fastjson 1.x 🔗 https://cybersecurefox.com/en/cve-2026-16723-fastjson-1x-rce-spring-boot #CVE-2026-16723 #Fastjson #1.x #Alibaba #Fastjson #Spring #Boot #fat-JAR #SafeMode