Back to vendor advisories
Fortinet PSIRT AdvisoriesFG-IR-26-180

Arbitrary file write in grpc phQueryMaster

CriticalVendor CVSS 9.4 / 10 1 CVE Published Oct 13, 2026 at 7:00 AM UTC

Summary

CVSSv3 Score:

9.4

An Improper limitation of a pathname to a restricted directory ('path traversal') [CWE-22] in FortiSIEM may allow an unauthenticated attacker to execute unauthorized code or commands via specially crafted packets.

Revised on 2026-10-13 00:00:00

Products covered

  • FortiSIEM

Remediation

Separate remediation guidance was not included in the collected bulletin.

CVEs in this advisory 1

Updates

  1. Published by Fortinet

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.