CVE-2026-42945

Pierluigi Paganini May 18, 2026
Experts warn of active exploitation of critical NGINX flaw CVE-2026-42945

A critical NGINX flaw (CVE-2026-42945) is actively exploited, allowing crashes or possible code execution via malicious HTTP requests. A critical vulnerability in NGINX Plus and NGINX Open, tracked as CVE-2026-42945 (CVSS v4 score of 9.2), is already being actively exploited shortly after disclosure. “We’re seeing active exploitation of CVE-2026-42945 in F5 NGINX, a heap buffer […]

Pierluigi Paganini May 14, 2026
NGINX Rift: an 18-year-old flaw in the world’s most deployed web server just came to light

Researchers found a critical 18-year-old buffer overflow flaw in NGINX, tracked as CVE-2026-42945 and named NGINX Rift. If you run NGINX, and statistically speaking, there is a very good chance you do, this week brought news worth stopping for. Security researchers at depthfirst disclosed a critical heap buffer overflow vulnerability in both NGINX Plus and […]