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...
Tag: RCE
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...
Microsoft’s December Security Update of High-Risk Vulnerability Notice for Multiple Products
Overview On December 10, NSFOCUS CERT detected that Microsoft released the December Security Update patch, which fixed 57 security issues involving widely used products such as Windows, Microsoft Office, Microsoft Exchange Server, Azure, etc., including high-risk vulnerability types such as privilege escalation and remote code execution. Among the vulnerabilities fixed...
React/Next.js Remote Code Execution Vulnerability (CVE-2025-55182/CVE-2025-66478) Notice and Handling Manual
Overview Recently, NSFOCUS CERT has detected that React and Next.js have issued security bulletins to fix the remote code execution vulnerability of React/Next.js (CVE-2025-55182/CVE-2025-66478); Because React Server Components are insecurely deserialized when processing HTTP requests, an unauthenticated attacker can call the Node.js built-in module by constructing a specially crafted form...
Cursor Remote Code Execution Vulnerability (CVE-2025-62354) Notice
Overview Recently, NSFOCUS CERT detected that HiddenLayer released a vulnerability report disclosing the Cursor remote code execution vulnerability (CVE-2025-62354). Because Cursor's check function for terminal commands in autorun mode has a logical flaw, an unauthenticated attacker can bypass the preset allowlist restrictions by constructing specially crafted malicious input, thereby achieving...
Microsoft’s November Security Update of High-Risk Vulnerability Notice for Multiple Products
Overview On November 12, NSFOCUS CERT detected that Microsoft released the November Security Update patch, which fixed 63 security issues involving widely used products such as Windows, Microsoft Office, Microsoft SQL Server, Azure, and Microsoft Visual Studio, including privilege escalation, high-risk vulnerability types such as remote code execution. Among the...
