wazuh-nginx-cve-2026-42945-sca-lab

CVE-2026-42945 — Laboratorio Defensivo NGINX Wazuh SCA Resumen Este repositorio documenta un laboratorio defensivo para CVE-2026-42945 , que afecta al módulo ngxhttprewritemodule de NGINX. El objetivo de este proyecto fue abordar el CVE desde una perspectiva de equipo azul utilizando Wazuh Securi...

NGINX-ngx_http_rewrite_module-heap-buffer-overflow-CVE-2026-9256

CVE-2026-9256 NGINX ngxhttprewritemodule PoC 推导过程与思考 适用范围：仅用于本地靶场、授权复现环境、漏洞验证和防护规则分析。不要对未授权目标使用。本文中的 PoC 思路只验证远程可见的 NGINX worker crash 行为，不包含 RCE、ASLR 绕过或稳定利用链。 1. 漏洞背景 CVE-2026-9256 是 NGINX ngxhttprewritemodule 中的堆缓冲区溢出漏洞。漏洞触发并不是单纯访问某个固定 URI，而是依赖特定的 rewrite 配置模式：rewrite 正则中存在互相重叠的 PCRE 捕获组，并且...

nginx-rift-detector

NGINX Rift Detector for CVE-2026-42945 Read-only Bash checker for owned NGINX servers. It helps an operator answer two questions after the CVE-2026-42945 disclosure: Is this server still running an exposed NGINX build or risky rewrite configuration? Do local logs show crash, long-URI, or encoding...