Security Advisory

CVE-2026-16723

9
CRITICAL

Vulnerability Description

A remote code execution (RCE) vulnerability exists in fastjson 1.2.68 through 1.2.83. This vulnerability is exploitable under fastjson's stock default configuration — no AutoType enablement required, no classpath gadget required.
Published Date July 23, 2026
Official Source NIST NVD Advisory