CVE-2026-16723: Fastjson 1.2.68 through 1.2.83

CVE-2026-16723. CVSS 3.1 base score 9.0 (CRITICAL, Vendor/CNA). EPSS 0.00663 (percentile 0.51084), scored 22-Oct-2026.

Affected technology

Fastjson · 1.2.68 through 1.2.83
Alibaba

Description’s affected range: through 1.2.83

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

The source reports that an attacker could run code remotely. Vendor/CNA’s CVSS 3.1 assessment (base score 9.0/10) rates confidentiality, integrity and availability impact as high.

Published 24-Oct-2026 15:08 UTC

CWE: CWE-20, CWE-502
CCR priority: 36.2 /100 (P4)
CVSS 3.1: 9.0 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H · Vendor/CNA
EPSS: 0.00663 · percentile 0.5115 · 2026-10-24
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-24 15:09:16.138216+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-24 15:07:27.951960+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-16723.html