Overview Recently, NSFOCUS CERT detected that a Fastjson 2.x remote code execution vulnerability was disclosed online; Because Fastjson2.x may still handle @type in JSON through the built-in whitelist when SupportAutoType is not enabled by default configuration, an unauthenticated attacker can construct specially crafted malicious JSON data and achieve remote code...
Author: NSFOCUS
AI Security Incident Case: OpenAI Models Independently Break Through Test Boundaries and Exploit Vulnerabilities to Invade Hugging Face
Overview In July 2026, the AI open source community and collaboration platform Hugging Face publicly disclosed a special security incident: the platform's production infrastructure suffered an intrusion activity. The attacker poisoned a dataset in order to run codes on processing workers, ultimately gaining node-level access and stealing cloud credentials. It...
Fastjson 1.2.x Remote Code Execution Without Gadget Vulnerability Notice
Overview Recently, NSFOCUS CERT detected that a Fastjson 1.2.x remote code execution vulnerability without gadget was disclosed online; Due to the defects in the internal type parsing logic of Fastjson deserialization, unauthenticated attackers can construct specially crafted malicious JSON data to bypass the traditional autoType black and white list protection...
WordPress Remote Code Execution Vulnerability (CVE-2026-63030/CVE-2026-60137) Notice
Overview Recently, NSFOCUS CERT detected that WordPress issued a security bulletin to fix the WordPress remote code execution vulnerability (CVE-2026-63030/CVE-2026-60137), known as wp2shell; Unauthenticated attackers can bypass authentication through REST API batch requests, use SQL injection to obtain administrator password hashes, and use plug-in installation functions to implant WebShell to...
NSFOCUS Releases 2025 APT Group Research Annual Report
SANTA CLARA, Calif., July 20, 2026 – In 2025, geopolitical conflict and technological transformation have become deeply intertwined, and the iterative leaps in artificial intelligence (AI) have reshaped the landscape of cybersecurity offense and defense. Empowered by AI, Advanced Persistent Threats (APTs) now exhibit greater stealth and destructive power, becoming a...
Microsoft’s July Security Update of High-Risk Vulnerability Notice for Multiple Products
Overview On July 15, NSFOCUS CERT monitored that Microsoft released its July security update patch, fixing 622 security issues. These affect widely used products such as Windows, Microsoft Office, Microsoft SQL Server, Visual Studio Code, Microsoft Edge, Azure, etc., which include high-risk vulnerability types such as remote code execution vulnerabilities,...
