309 matches found
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...
The vulnerability of the AutoType mechanism in the Java Fastjson programming language library allows a perpetrator to execute arbitrary code.
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...
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 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
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 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...
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...
VulnCheck KEV: 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: Improper Input Validation
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-for-fastjson-1.2.83-RCE-skill
fastjson-1.2.83-RCEskill AI agent skill for detecting and exp...
Security Notice - Statement on Remote Code Execution Vulnerability in Fastjson
Huawei has recently realized the Remote Code Execution RCE vulnerability in Fastjson. A remote attacker can exploit this vulnerability by sending crafted JSON data. Successful exploitation of this vulnerability may lead to remote code execution. If you have deployed Huawei Next-Generation Firewal...
fastjson-1.2.83-gadget-rce
fastjson-1.2.83-gadget-rce Fastjson 1.2.83 getResourceAsStre...
PT-2026-63585
Name of the Vulnerable Software and Affected Versions fastjson versions 1.2.68 through 1.2.83 Description A remote code execution RCE issue exists in the fastjson library, specifically impacting Spring Boot applications. This flaw allows an unauthenticated attacker to execute arbitrary code with...