Nginx’s 18‑Year‑Old RCE Flaw Exposes One‑Third of Websites

A critical Nginx vulnerability (CVE‑2026‑42945, CVSS 9.2) discovered by depthfirst and F5 allows unauthenticated remote code execution via a single crafted HTTP request, affecting versions 0.6.27‑1.30.0 and roughly one‑third of global websites.

CVE-2026-42945NginxRCE

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Nginx’s 18‑Year‑Old RCE Flaw Exposes One‑Third of Websites

New Oriental Technology

Oct 23, 2020 · Backend Development

Nginx: A Comprehensive Guide

This article provides an in-depth overview of Nginx, covering its introduction, architecture, and various modules, including real IP and rewrite modules, with practical examples and configuration details.

AuthenticationBackend DevelopmentHTTP server

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