alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET WEB_SPECIFIC_APPS Gitlab GraphQL Unauthenticated Code Injection (CVE-2026-19478)"; flow:established,to_server; http.uri; content:"/api/graphql"; http.request_body; content:"project|28|"; content:"fullPath|3a|"; pcre:"/^\s*\x5c\x22[^\x22]*?\x2f/R"; content:"|40|gl_introduced|28|version|3a|"; fast_pattern; reference:url,github.com/davkharrr/CVE-2026-19478-PoC; reference:cve,2026-19478; classtype:web-application-attack; sid:2071780; rev:1; metadata:affected_product Gitlab, attack_target Server, tls_state TLSDecrypt, created_at 2026_08_24, cve CVE_2026_19478, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Exploit, updated_at 2026_08_24, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)