alert http $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"VEDAS CVE-2026-55094 Taskcluster GraphQL sift filter RCE via dollar-where operator"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"graphql"; nocase; http.request_body; content:"filter"; nocase; content:"$where"; nocase; fast_pattern; classtype:web-application-attack; reference:cve,CVE-2026-55094; reference:url,https://www.exploit.observer/?keyword=CVE-2026-55094&match=exact; reference:url,https://subdomain.center/?engine=ammonites&keyword=taskcluster&match=exact; sid:1087201; rev:1;)