CVE-2026-42945: How to Audit and Patch the NGINX Rift Vulnerability

Summary

I break down the critical NGINX Rift vulnerability (CVE-2026-42945) affecting the rewrite module on Linux. Learn how to recursively audit your server configuration files for vulnerable rewrite patterns, implement immediate configuration mitigations using PCRE named capture groups, and successfully upgrade your active NGINX packages to the secure version 1.30.1 today.