SB2026031067 - Stack-based buffer overflow in FortiWeb



SB2026031067 - Stack-based buffer overflow in FortiWeb

Published: March 10, 2026

Security Bulletin ID SB2026031067
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Stack-based buffer overflow (CVE-ID: CVE-2026-24640)

The vulnerability allows a remote privileged user to execute arbitrary code.

The vulnerability exists due to stack-based buffer overflow in API protection. A remote authenticated attacker can execute arbitrary code or commands via crafted HTTP requests. Success of the attack is conditioned to bypassing stack protection and ASLR.


Remediation

Install update from vendor's website.