Free Online Tool

NGINX CVE Checker

Enter a public URL. We read the Server response header and compare NGINX versions against the Rift (CVE-2026-42945) affected range.

All-in-one check Rift guide
Reads Server header only — CDN may hide version.

CVE-2026-42945 (NGINX Rift)

Affected: NGINX Open Source 0.6.27 through 1.30.0. Fixed in 1.30.1+. Public PoC available.