Java Architecture Diary

May 24, 2022 · Information Security

Fastjson ≤1.2.80 Deserialization Flaw Enables Remote Code Execution – How to Protect Your Systems

A critical deserialization flaw in Fastjson versions up to 1.2.80 allows attackers to bypass autoType restrictions and achieve remote code execution, affecting Spring Cloud Alibaba Sentinel users, with mitigation steps and version-specific fixes detailed for both open‑source and commercial releases.