ID :ISA-2026-132
Critical alertActiveCVSS 9.8/10IservicesCSIRT

Path Traversal vulnerability affecting Fortinet FortiSIEM

Executive Summary

A critical vulnerability affecting Fortinet FortiSIEM would allow an unauthenticated attacker to execute unauthorized code or commands on affected systems.

Published on October 21, 2026 at 01:00 AM by Iservices Csirt11 views

Description

Technical context and vulnerability details

FortiSIEM is a security information and event management (SIEM) solution developed by Fortinet, designed to provide comprehensive visibility and analysis of security threats. This product is affected by a vulnerability labeled CVE-2026-106173 resulting from incorrect limitation of a path to a restricted directory. Exploitation of this vulnerability would allow an unauthenticated attacker to execute unauthorized code or commands via sending specially crafted packets. It is classified critical with a severity score of 9.8 according to CVSS V3.1.

Potential Risks & Impact

Potential consequences upon exploitation

  • Remote Arbitrary Code Execution;
  • Data privacy breach;
  • System and data integrity breach;
  • Breach of data availability;

Affected systems

Products, components and targeted versions

  • FortiSIEM version 7.5.0;

RECOMMENDED ACTIONS:

  • Update FortiSIEM to patched version or later;

Sources & External Links

Vendor security advisories and documentation

Advisory Specifications

ISA-2026-132
CVSS scoreCRITICAL
9.8/ 10.0
0.0 (Low)5.0 (Med)10.0 (Crit)
PriorityCritical
StatusActive
Typesecurite
Published onOctober 21, 2026 at 01:00 AM
OrigineIservicesCSIRT
Audience11 views

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