alert http $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"VEDAS CVE-2026-90603 Open-Generative-AI - Unauthenticated Upload Proxy SSRF"; flow:established,to_server; http.uri; content:"/api/upload-binary"; fast_pattern; http.request_body; content:"x-proxy-target-url"; classtype:web-application-attack; reference:cve,CVE-2026-90603; reference:url,https://www.exploit.observer/?keyword=CVE-2026-90603&match=exact; reference:url,https://subdomain.center/?engine=ammonites&keyword=open-generative-ai&match=exact; sid:1082003; rev:1;)