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Fortinet PSIRT AdvisoriesFG-IR-26-148

Stack Buffer Overflow in Log Report

MediumVendor CVSS 5.9 / 10 1 CVE Published Jul 14, 2026 at 7:00 AM UTC

Summary

CVSSv3 Score:

5.9

A Stack-based Buffer Overflow vulnerability [CWE-121] in FortiOS, FortiProxy and FortiPAM may allow a privileged authenticated attacker who can bypass stack protection and ASLR to execute arbitrary code or commands via crafted HTTP requests.

Revised on 2026-07-14 00:00:00

Products covered

  • FortiOS

  • FortiProxy

  • FortiPAM

Remediation

Separate remediation guidance was not included in the collected bulletin.

CVEs in this advisory 1

Update history

What changed in later vendor updates

SecurityAlert records field-level changes from the point we begin following a bulletin. Earlier vendor changes may not have a field-by-field record.

    • Added CVEs: CVE-2026-59837.

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.