CVE-2026-24640: A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb…

CVE-2026-24640 · Severity: medium · CVSS 6.6 · Published 2026-03-10

A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0 through 7.6.6, FortiWeb 7.4 all versions, FortiWeb 7.2 all versions, FortiWeb 7.0.2 through 7.0.12 may allow a remote authenticated attacker who can bypass stack protection and ASLR to execute arbitrary code or commands via crafted HTTP requests.

Technologies: Fortinet FortiWeb. Vendors: Fortinet.

Quick answers

Is CVE-2026-24640 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-24640 being exploited in the wild.
How severe is CVE-2026-24640?
Medium severity, with a CVSS score of 6.6, published 10 March 2026.
Which products and versions are affected?
Fortinet FortiWeb. The advisory does not name versions.
Is there a fix for CVE-2026-24640?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2026-24640?
Check whether you run Fortinet FortiWeb. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Fortinet FortiWeb

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.