ET WEB_SPECIFIC_APPS Flowise chatflows id Parameter Directory Traversal Attempt (CVE-2025-71334)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/api/v1/chatflows"; fast_pattern;
http.header;
content:"x-request-from|3a 20|"; nocase;
http.request_body;
content:"|22|id|22|";
pcre:"/^[^\x2c\x7d]*?(?:(?:\x2e|%2[Ee]){1,2}(?:\x2f|\x5c|%5[Cc]|%2[Ff]){1,}){2,}/R";
target:dest_ip;
Raw source ET WEB_SPECIFIC_APPS Flowise chatflows id Parameter Directory Traversal Attempt (CVE-2025-71334) · 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 Flowise chatflows id Parameter Directory Traversal Attempt (CVE-2025-71334)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/api/v1/chatflows"; fast_pattern;
    http.header;
    content:"x-request-from|3a 20|"; nocase;
    http.request_body;
    content:"|22|id|22|";
    pcre:"/^[^\x2c\x7d]*?(?:(?:\x2e|%2[Ee]){1,2}(?:\x2f|\x5c|%5[Cc]|%2[Ff]){1,}){2,}/R";
    reference:url,github.com/FlowiseAI/Flowise/security/advisories/GHSA-q67q-549q-p849;
    reference:cve,2025-71334;
    classtype:attempted-admin;
    sid:2071367; rev:2;
    metadata:affected_product Flowise, attack_target Web_Server, tls_state plaintext, created_at 2026_08_03, cve CVE_2025_71334, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2026_08_04, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)

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