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Critical · 9.4 Public exploit CVE-2026-106173 EUVD-2026-98968GHSA-5cx2-chqq-627m

A improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiSIEM 7.5.0, FortiSIEM 7.4 a…

Published Oct 13, 2026 · Updated Nov 10, 2026 · Assigned by fortinet

Vendor: Fortinet Product: FortiSIEM Category: Network devices

Description

A improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiSIEM 7.5.0, FortiSIEM 7.4 all versions, FortiSIEM 7.3 all versions, FortiSIEM 7.2 all versions, FortiSIEM 7.1 all versions, FortiSIEM 7.0 all versions may allow attacker to execute unauthorized code or commands via specially crafted packets.

Affected products

VendorProductAffectedFixed
Fortinet FortiSIEM 7.5.0, 7.4.0 – ≤ 7.4.2, 7.3.0 – ≤ 7.3.5, 7.2.0 – ≤ 7.2.7, 7.1.0 – ≤ 7.1.9, 7.0.0 – ≤ 7.0.4 —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 4 repositories

  • horizon3ai/CVE-2026-106173 ★ 37 · Oct 20, 2026

    Proof of concept exploit for CVE-2026-106173, a path traversal file write leading to RCE for Fortinet FortiSIEM

  • tc4dy/CVE-2026-106173-PoC-Exploit ★ 5 · Oct 22, 2026

    CVE-2026-106173 – FortiSIEM phQueryMaster RCE (CVSS 9.8) | Red/Blue Team suite for unpatched FortiSIEM 7.5.0. 2 tools: Full Exploit (multi-primitive RCE, reverse shell, persistence, creds, readback, …

  • ashrafzaryouh/CVE-2026-106173 ★ 2 · Oct 20, 2026

    CVE-2026-106173

  • aduli198/CVE-2026-106173 ★ 0 · Oct 26, 2026

    Python PoC for CVE-2026-106173 unauthenticated path-traversal file write in FortiSIEM's QueryResult gRPC handler.

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 2

References