Hackers Exploiting FastJson RCE 0-Day in the Wild to Attack US-based Organizations
Tue Jul 28 2026
Vulnerability
Zero-day
cybersecuritynews.com
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 […]
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