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 […]
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 NGINX Open Source that has been sitting undetected in the codebase for eighteen years. The flaw, tracked as CVE-2026-42945 and assigned a CVSS v4 score of 9.2, carries the name NGINX Rift, and its implications extend well beyond a routine patch cycle.
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