---
id: 10175
title: "CVE-2026-106173 Deep-Dive: FortiSIEM gRPC Path Traversal File Write RCE"
cve: CVE-2026-106173
source_domain: horizon3.ai
source_url: "https://horizon3.ai/attack-research/cve-2026-106173-deep-dive-fortisiem-grpc-path-traversal-file-write-rce/"
published_at: "2026-10-20T12:34:42Z"
tags: ["rce", "vulnerability-research", "path-traversal", "fortinet", "grpc", "fortisiem", "cve-2026-106173", "horizon3"]
phying_url: "https://phying.com/item/10175"
lang: en
---

# CVE-2026-106173 Deep-Dive: FortiSIEM gRPC Path Traversal File Write RCE

## Summary

Horizon3 analyzes CVE-2026-106173, a critical FortiSIEM gRPC vulnerability enabling unauthenticated path traversal, arbitrary file writes, and code execution.

## Intelligence Metadata

- **Sources:** horizon3.ai
- **CVE:** CVE-2026-106173
- **Published:** 2026-10-20T12:34:42Z
- **Original:** https://horizon3.ai/attack-research/cve-2026-106173-deep-dive-fortisiem-grpc-path-traversal-file-write-rce/
- **Phying News:** https://phying.com/item/10175