alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET WEB_SPECIFIC_APPS Next.js Manifest Disclosure via Path Traversal"; flow:established,to_server; http.uri; content:"/_next/data/"; startswith; content:"server-reference-manifest.json"; fast_pattern; pcre:"/\x2fpages-cache\x2f(?:(?:\x2e|%(?:25)?2[Ee]){1,2}(?:\x2f|\x5c|%(?:25)?5[Cc]|%(?:25)?2[Ff]){1,}){2,}server-reference-manifest.json/U"; reference:url,github.com/rafabd1/CVE-2026-75604-poc; classtype:web-application-attack; sid:2072388; rev:1; metadata:affected_product Next_js, attack_target Server, tls_state TLSDecrypt, created_at 2026_10_08, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Exploit, updated_at 2026_10_08, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)