CVE-2026-42945

CVE-2026-42945 — NGINX Rift Heap Buffer Overflow in NGINXngxhttprewritemodule Metric| Value ---|--- CVSS v4.0| 9.2 Critical CVSS v3.1| 8.1 High — AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CWE| 122 — Heap-based Buffer Overflow Introduced| June 2008 — v0.6.27 Discovered| April 2026 — DepthFirst Research...

Exploit for CVE-2026-42945

nginx-rift-scanner Scans your nginx installation for CVE-202...

Exploit for CVE-2026-42945

cve-2026-42945-scan Static scanner for NGINX configuration fi...

CVE-2026-42945

NGINX Plus and NGINX Open Source have a vulnerability in the ngxhttprewritemodule module. This vulnerability exists when the rewrite directive is followed by a rewrite, if, or set directive and an unnamed Perl-Compatible Regular Expression PCRE capture for example, $1, $2 with a replacement strin...