CVE-2026-16723

—

CVSS 3.1

9.0 critical

EPSS

16%p97

Published

Jul 23, 2026 (Jul 23, 2026)

Modified

Jul 23, 2026

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.

Weakness: CWE-20, CWE-502
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (16.0%)

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