VULNERABILITY INTELLIGENCE
CVE-2026-16723
CVSS score9 CRITICAL
EPSS probability0.66%
CISA KEVNot currently listed
Published2026-07-23
Last modified2026-10-24
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
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 classification
- CWE-20: Improper Input Validation
- CWE-502: Deserialization of Untrusted Data