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Overview Recently, NSFOCUS CERT detected that Kubernetes issued a security announcement and fixed the Kubernetes Ingress-nginx remote code execution vulnerability (CVE-2025-1974). The Ingress controller deployed in Kubernetes Pod can be accessed through the network without authentication. When the Admission webhook is open, an unauthenticated attacker can remotely inject any nginx configuration by sending a special […]

Vulnerability Overview Apache Tomcat Remote Code Execution Vulnerability (CVE-2025-24813) NSFOCUS Detection Methods NSFOCUS Remote Security Assessment System (RSAS), Web Vulnerability Scanning System (WVSS) and Network Intrusion Detection System (IDS) have the ability to scan and detect this vulnerability. Users who deploy the above devices are requested to upgrade to the latest version. Upgrade site: NSFOCUS_Product Support Service_Product Upgrade  […]

Overview Recently, NSFOCUS CERT detected that Next.js issued a security announcement and fixed the middleware permission bypass vulnerability (CVE-2025-29927). Because Next.js lacks effective verification of the source of the x-middleware-subrequest header, when configuring to use middleware for authentication and authorization, an unauthenticated attacker can bypass system permission controls by manipulating the x-middleware-subrequest header to access […]

Overview Recently, NSFOCUS CERT detected that Microsoft released a security announcement and fixed the spoofing vulnerability of Windows File Explorer (CVE-2025-24071), with a CVSS score of 7.5. Due to the implicit trust and automatic file parsing behavior of .library-ms files by Windows Explorer, unauthenticated attackers can save files by constructing RAR/ZIP with an embedded malicious […]

Overview Recently, NSFOCUS detected that Ollama improperly configured and unauthorized access vulnerabilities were disclosed online (CNVD-2025-04094); Because Ollama does not have authentication and access control functions by default, when a user opens the service (port 11434 by default) to the public network, an unauthenticated attacker can directly call its API interface to steal sensitive model […]

Overview Recently, NSFOCUS CERT detected that Apache issued a security announcement and fixed the remote code execution vulnerability of Apache Tomcat (CVE-2025-24813). An unauthenticated attacker can execute arbitrary code to gain server privileges when the application has servlet write enabled (disabled by default), uses Tomcat file session persistence and a default storage location, and contains […]

Overview In recent years, with the wide application of open-source LLMs such as DeepSeek and Ollama, global enterprises are accelerating the private deployment of LLMs. This wave not only improves the efficiency of enterprises, but also increases the risk of data security leakage. According to NSFOCUS Xingyun Lab, from January to February 2025 alone, five […]

A segurança de aplicações web é uma prioridade para empresas de todos os tamanhos. À medida que a internet se integra a praticamente toda a nossa rotina, a necessidade de proteger sistemas contra ataques criminosos torna-se ainda mais crítica. Com isso, o Web Application Firewall (WAF) surge como uma das ferramentas mais eficazes para manter […]

Overview Recently, NSFOCUS CERT detected that VMware issued a security announcement and fixed multiple high-risk vulnerabilities (CVE-2025-22224/CVE-2025-22225/CVE-2025-22226) in VMware ESXi&Workstation&Fusion. At present, all the 3 vulnerabilities have been found to be exploited in the wild. Please take protective measures as soon as possible. CVE-2025-22224: There is a TOCTOU (CheckTime-of-use) write vulnerability in VMware ESXi and […]

With the wide application of large language models (LLM) in various fields, their potential risks and threats have gradually become prominent. “Content security” caused by inaccurate or misleading information is becoming a security concern that cannot be ignored. Unfairness and bias, adversarial attacks, malicious code generation, and exploitation of security vulnerabilities continue to raise risk […]