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.
History

Thu, 23 Jul 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 23 Jul 2026 09:45:00 +0000

Type Values Removed Values Added
First Time appeared Alibaba
Alibaba fastjson
Vendors & Products Alibaba
Alibaba fastjson

Thu, 23 Jul 2026 08:30:00 +0000

Type Values Removed Values Added
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.
Title Remote Code Execution in fastjson 1.2.68–1.2.83
Weaknesses CWE-20
CWE-502
References
Metrics cvssV3_1

{'score': 9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: alibaba

Published:

Updated: 2026-07-23T13:54:13.031Z

Reserved: 2026-07-23T02:40:02.606Z

Link: CVE-2026-16723

cve-icon Vulnrichment

Updated: 2026-07-23T13:54:09.781Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-23T09:30:16Z