Emerging Threat: (CVE-2026-42945) NGINX Rift Heap Overflow in Rewrite Module
CVE-2026-42945, nicknamed "NGINX Rift", is a heap buffer overflow in the ngx_http_rewrite_module component of NGINX. It has sat in the project's source code since 2008. F5 disclosed the flaw on May 13, 2026, after responsible disclosure by researchers at depthfirst, who reported finding it through an autonomous code scanning system.