Alibaba Fastjson 1.2.68 < 1.2.84 RCE (CVE-2026-16723)

The version of Alibaba Fastjson installed on the remote host is 1.2.68 through 1.2.83. It is, therefore, affected by a remote code execution vulnerability: - A remote code execution RCE vulnerability exists in fastjson 1.2.68 through 1.2.83. This vulnerability is exploitable under fastjson's stoc...

CVE-2026-16723 — Updated!

CVE-2026-16723 Donate Support the maintenance of this project with PayPal or by scanning the QR code below. ⚡ Simple Usage Use this project only in safe and authorized environments such as: Local virtual machines Docker containers Isolated lab setups Authorized penetration testing environments...

Exploit for CVE-2026-16723

CVE-2026-16723 Fastjson RCE ★ CVE-2026-16723 Fastjson @JSONT...

Yunanbao Cloud Box FastJson - Deserialization Remote Code Execution Detection

The authService interface of Cloud Box uses the vulnerable fastjson component. Unauthorized attackers can launch attacks on Cloud Box through the fastjson serialization vulnerability to obtain server permissions. !/usr/bin/env python3 -- coding: utf-8 -- """The authService interface of Cloud Box...

HIKVISION iSecure Center - Remote Code Execution Detection

Hikvision's comprehensive security management platform has a Fastjson remote command execution vulnerability, which can execute system commands and obtain system permissions and sensitive data information of the target server. !/usr/bin/env python3 -- coding: utf-8 -- """Hikvision's comprehensive...

Exploit for CVE-2026-16723

Fastjson 1.2.83 RCE Lab Environment CVE-2026-16723 Disc...

Remote Code Execution

fastjson is vulnerable to remote code execution RCE. The vulnerability is due to insecure deserialization in Fastjson, where specially crafted input can trigger arbitrary code execution under the default configuration without requiring AutoType to be enabled or any classpath gadget...

AutoType Code Execution

The vulnerability of the AutoType mechanism in the Java Fastjson programming language library is related to deficiencies in the deserialization mechanism. Exploiting this vulnerability allows a malicious actor to execute arbitrary code remotely...

Fastjson 1.x RCE Vulnerability Targeted in Attacks With No Patched Available

Security firms ThreatBook and Imperva say attackers are targeting a critical flaw in Fastjson, Alibaba's JSON library for Java. In affected Spring Boot applications, a malicious JSON request can execute code without authentication, with the privileges of the Java process. Tracked as CVE-2026-1672...

Imperva Customers Protected Against CVE-2026-16723: Critical FastJson 1.x Zero-Day RCE

TL;DR:A critical remote code execution vulnerability has been disclosed in FastJson, a widely used JSON processing library for Java. The vulnerability, assigned CVE-2026-16723 with a CVSS score of 9.0 Critical, affects FastJson versions 1.2.68 through 1.2.83 under specific Spring Boot deployment...

Deserialization of Untrusted Data

Overview com.alibaba:fastjson is a fast JSON parser/generator for Java. Affected versions of this package are vulnerable to Deserialization of Untrusted Data through the JSON parsing path in JSON.parse, JSON.parseObjectString, and JSON.parseObjectString, Class when it runs inside a Spring Boot...

GHSA-CRF3-V9RR-V7HJ fastjson has a remote code execution (RCE) 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...

fastjson has a remote code execution (RCE) 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...

ai.foxpay.api:foxpay-sdk (>=1.0, <=1.1), ai.ylyue:yue-library-auth-client (>=j8.2.2.0, <=2.1.0) +10185 more potentially affected by CVE-2026-16723 via com.alibaba:fastjson (>=1.2.68, <=1.2.83)

com.alibaba:fastjson MAVEN version =1.2.68, =1.0, =j8.2.2.0, =j8.2.2.0, =j8.2.2.0, =j8.2.2.0, =j8.2.2.0, =j8.2.2.0, =j8.2.2.0, =j8.2.2.0, =j8.2.2.0, =j8.2.2.0, =1.0.0, =1.0.6, =1.0.7 and more Source cves: CVE-2026-16723 Source advisory: GHSA-CRF3-V9RR-V7HJ...

CVE-2026-16723

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...

CVE-2026-16723

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...

CVE-2026-16723

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. As there is no fix for 1.x branch, users should upgrade to versions 2...

CVE-2026-16723 Remote Code Execution in fastjson 1.2.68–1.2.83

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...

EUVD-2026-47929

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...

CVE-2026-16723

CVE-2026-16723 is a remote-code-execution vulnerability in Fastjson 1.2.68–1.2.83 that is exploitable under stock/default configuration without AutoType or a gadget. Connected docs confirm the attack chain can occur in Spring Boot fat‑JAR deployments: an attacker controls the @type value, Fastjso...