ET WEB_SPECIFIC_APPS Rapid7 Velociraptor Authenticated Account Takeover via Identity Spoofing (CVE-2026-18972)

Query · suricata

flow:established,to_server;
http.header_names;
content:"grpc-metadata-user|0d 0a|"; nocase;
target:dest_ip;
Raw source ET WEB_SPECIFIC_APPS Rapid7 Velociraptor Authenticated Account Takeover via Identity Spoofing (CVE-2026-18972) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Rapid7 Velociraptor Authenticated Account Takeover via Identity Spoofing (CVE-2026-18972)";
    flow:established,to_server;
    http.header_names;
    content:"grpc-metadata-user|0d 0a|"; nocase;
    reference:url,vuldb.com/vuln/388113;
    reference:cve,2026-18972;
    classtype:attempted-user;
    sid:2071437; rev:1;
    metadata:affected_product Rapid7_Velociraptor, attack_target Server, tls_state TLSDecrypt, created_at 2026_08_11, cve CVE_2026_18972, deployment Perimeter, deployment Internal, confidence Low, signature_severity Major, tag Exploit, updated_at 2026_08_11, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.