Hackers Exploiting FastJson RCE 0-Day in the Wild to Attack US-based Organizations

A critical vulnerability in FastJson, identified as CVE-2026-16723, is being exploited against organizations in the United States, putting Java applications that process untrusted JSON at immediate risk. This flaw has a CVSS severity score of 9.0 and affects FastJson versions ranging from 1.2.68 to 1.2.83, which is the final release line of FastJson 1.x.0 FastJson […] The post Hackers Exploiting FastJson RCE 0-Day in the Wild to Attack US-based Organizations appeared first on Cyber Security News.