Vulnerability · Published Mar 10, 2026 · Assigned by fortinet

CVE-2026-24640

Medium 5.9

In plain English

A medium-severity stack buffer overflow in FortiWeb from Fortinet. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities).

Severity (CVSS 3.1)5.9Medium
Exploit odds (30 days)0.7%top 45.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
Fortinet FortiWeb 8.0.0 – through 8.0.27.6.0 – through 7.6.67.4.0 – through 7.4.127.2.0 – through 7.2.127.0.2 – through 7.0.12

Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

References