Allocation of Resources Without Limits or Throttling in FortiOS - CVE-2026-71408
Published: August 13, 2026
Vulnerability identifier: #VU142458
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-71408
CWE-ID: CWE-770
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
The vulnerability exists due to allocation of resources without limits or throttling. An unauthenticated attacker can perform a slow HTTP DoS attack on the web interface via crafted HTTP requests.
Affected software
FortiOS
How to mitigate CVE-2026-71408
Install update from vendor's website.
FortiOS - update to 7.6.7