🚄 FASTJSON2 is a Java JSON library with excellent performance.
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Updated
Sep 9, 2026 - Java
🚄 FASTJSON2 is a Java JSON library with excellent performance.
🔥轻量级的AI工作流编排系统,类似dify、n8n,全程使用Vibe Coding,AI工具为Qoder+CLI。涉及到的技术栈包括SpringAI、LangGraph4J、SSE、MinIO、DAG自定引擎等。
Docker labs + defensive scanner for fastjson remote-class-load RCE. fastjson 1.2.66-1.2.83: @jsontype resource probe (CVE-2026-16723). fastjson2 2.0.57: attacker @type reaches loadClass with autoType DISABLED via polymorphic types (@jsontype(seeAlso) / Jackson @JsonSubTypes). Marker-only payloads; safeMode + JDK17 controls.
A lightweight RPC framework you can actually read end-to-end. Dual protocol: high-performance binary protocol at 140K QPS, self-built Wire protocol interoperable with standard gRPC tooling. 🦈
nginx管理工具服务端
深入分析 Fastjson2 的漏洞原因,搭建接近真实环境的漏洞环境并复现,通过CPU和GPU真实碰撞FNV-1a 哈希结果构造Payload进行RCE,并非内置白名单的简单复现
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nginx管理工具(客户端)
接口
fastjson vulnerability scanner - detect fastjson in JARs and Spring Boot fat-JARs, check exposure to CVE-2026-16723, and verify whether you already run the official patch 1.2.84. Zero-dependency offline CLI. fastjson 漏洞检测与排查工具:一条命令扫描依赖,支持 fat-JAR 与 shaded 依赖,并判定是否已升到官方补丁版本 1.2.84。
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