CVE-2026-16723

CriticalCVSS 9.0/10Last modified Oct 24, 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.

Metrics

CVSS 3.1 9.0/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-20CWE-502

Affected software

No affected versions have been published.

Timeline

Published
Jul 23, 2026
Last modified
Oct 24, 2026
NVD status
Deferred

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