ET EXPLOIT Apache Tomcat Tribes EncryptInterceptor Bypass Remote Code Execution (CVE-2026-34486)

Query · suricata

flow:established,to_server;
content:"|46 4c 54 32 30 30 32|"; startswith;
content:"|ac ed 00 05|"; distance:0;
content:"|74 00 00 71 00 7e 00 05 74 00 04 68 74 74 70 70 78 74 00 03 70 6f 63 78 54 4c 46 32 30 30 33|"; distance:0; fast_pattern;
target:dest_ip;
Raw source ET EXPLOIT Apache Tomcat Tribes EncryptInterceptor Bypass Remote Code Execution (CVE-2026-34486) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp any any -> [$HOME_NET,$HTTP_SERVERS] 4000 (
    msg:"ET EXPLOIT Apache Tomcat Tribes EncryptInterceptor Bypass Remote Code Execution (CVE-2026-34486)";
    flow:established,to_server;
    content:"|46 4c 54 32 30 30 32|"; startswith;
    content:"|ac ed 00 05|"; distance:0;
    content:"|74 00 00 71 00 7e 00 05 74 00 04 68 74 74 70 70 78 74 00 03 70 6f 63 78 54 4c 46 32 30 30 33|"; distance:0; fast_pattern;
    reference:url,www.striga.ai/research/tomcat-tribes-unauth-rce;
    reference:url,github.com/projectdiscovery/nuclei-templates/blob/f53616baf9fa1bf3faccb24f49d508c16b0d0c87/http/cves/2026/CVE-2026-34486.yaml;
    reference:cve,2026-34486;
    classtype:attempted-user;
    sid:2069474; rev:1;
    metadata:affected_product Apache_Tomcat, attack_target Server, created_at 2026_05_28, cve CVE_2026_34486, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Exploit, updated_at 2026_05_28, 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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