tag
Rewrite
CVE-2026-42945
web
CRITICAL 9.8
EPSS 66%
NGINX Rift — Heap Buffer Overflow RCE (CVE-2026-42945)
CVE-2026-42945 is a critical heap buffer overflow in NGINX's ngxhttprewritemodule that has existed since 2008. When a server configuration combines a rewrite rule containing ? with a set directive, NGINX's two-pass script engine allocates an undersized buffer…
Unverified
2026-05-14