ET WEB_SPECIFIC_APPS Skyvern Authenticated SSTI Remote Code Execution (CVE-2025-49619)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/api/v1/workflows"; fast_pattern;
http.request_body;
content:"prompt";
content:"|7b|"; distance:0;
pcre:"/((?<=(?:\x7b|\x24|\x23|\x7e|\x40|\x2a|\x25|\x5f))\x7b|\x7b(?:\x25|\x23|\x2f))[\x20-\x7e]+/";
target:dest_ip;
Raw source ET WEB_SPECIFIC_APPS Skyvern Authenticated SSTI Remote Code Execution (CVE-2025-49619) · 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 Skyvern Authenticated SSTI Remote Code Execution (CVE-2025-49619)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/api/v1/workflows"; fast_pattern;
    http.request_body;
    content:"prompt";
    content:"|7b|"; distance:0;
    pcre:"/((?<=(?:\x7b|\x24|\x23|\x7e|\x40|\x2a|\x25|\x5f))\x7b|\x7b(?:\x25|\x23|\x2f))[\x20-\x7e]+/";
    reference:url,attackerkb.com/topics/4Hq1jtfYEq/cve-2025-49619;
    reference:cve,2025-49619;
    classtype:web-application-attack;
    sid:2064150; rev:1;
    metadata:attack_target Server, tls_state TLSDecrypt, created_at 2025_08_25, cve CVE_2025_49619, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_08_25, 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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