NULL pointer dereference in FortiWeb - CVE-2026-24641
Published: March 10, 2026
Vulnerability identifier: #VU123721
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-24641
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote privileged user to perform service disruption.
The vulnerability exists due to null pointer dereference in Anti-Defacement feature. An authenticated attacker can crash the HTTP daemon via crafted HTTP requests.
Affected software
FortiWeb
How to mitigate CVE-2026-24641
Install update from vendor's website.
FortiWeb - addressed in versions 7.6.7, 8.0.3