ET WEB_SPECIFIC_APPS Fortinet FortiSIEM gRPC phoenixSvc SendQueryResult query-id Header Path Traversal Attempt (CVE-2026-106173)

7.0.3 5.0SID: 2072563Rev: 1Enabled2 views

Fileemerging-web_specific_apps.rules

CreatedOctober 23, 2026

UpdatedOctober 23, 2026

Classificationattempted-admin

alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Fortinet FortiSIEM gRPC phoenixSvc SendQueryResult query-id Header Path Traversal Attempt (CVE-2026-106173)"; reference:cve,2026-106173; reference:url,horizon3.ai/attack-research/cve-2026-106173-deep-dive-fortisiem-grpc-path-traversal-file-write-rce/; classtype:attempted-admin; sid:2072563; rev:1; metadata:affected_product FortiSIEM, attack_target Web_Server, tls_state plaintext, created_at 2026_10_23, cve CVE_2026_106173, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2026_10_23, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)

Detection details are hidden.

References

cve	2026-106173
url	horizon3.ai/attack-research/cve-2026-106173-deep-dive-fortisiem-grpc-path-traversal-file-write-rce/

Metadata

affected productFortiSIEM

attack targetWeb_Server

tls stateplaintext

created at2026_10_23

cve

CVE-2026-106173

deploymentInternal

performance impactLow

confidenceHigh

signature severityMajor

tagExploit

updated at2026_10_23

mitre tactic idTA0001

mitre tactic nameInitial_Access

mitre technique idT1190

mitre technique nameExploit_Public_Facing_Application

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