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CVE-2026-16723

Updated on 23 Jul 2026

Severity

9.0 Critical severity

Details

CVSS score
9.0
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE ID
Links
NISTCIRCLRHELUbuntu

Overview

About vulnerability

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.

Details

Affected product:
fastjson , pulsar
Affected packages:
pulsar-client-api @ 3.2.4 (+117 more)