NGINX Rift: CVE-2026-42945 Critical Heap Buffer Overflow Vulnerability Explained

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NGINX Rift CVE-2026-42945

On May 13, 2026, security researchers disclosed a critical remote code execution vulnerability in NGINX that had been silently lurking in the codebase for 18 years. Named NGINX Rift and tracked as CVE-2026-42945, the vulnerability carries a CVSS score of 9.2 (Critical) and affects the most widely deployed web server on the internet. Given that NGINX powers roughly a third of all websites globally and sits at the critical edge of countless backend systems, the disclosure of an unauthenticated remote code execution vulnerability carries serious implications for organizations worldwide.

Article Link: NGINX Rift: CVE-2026-42945 Critical Heap Buffer Overflow Vulnerability Explained