What is CVE-2026-71408?

CVE-2026-71408 is a medium-severity vulnerability in Fortinet Fortios, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.3/10. Published 2026-08-12.

How severe is CVE-2026-71408?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Resource exhaustion in Fortinet Fortios

CVE-2026-71408

A allocation of resources without limits or throttling vulnerability in Fortinet FortiOS 7.6.0 through 7.6.6, FortiOS 7.4 all versions, FortiOS 7.2 all versions may allow attacker to denial of service via <insert attack vector here>

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Fortinet Fortios — versions 7.6.0, 7.4.0, 7.2.0

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

psirt@fortinet.com

Frequently asked questions

What is CVE-2026-71408?: CVE-2026-71408 is a medium-severity vulnerability in Fortinet Fortios, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.3/10. Published 2026-08-12.
How severe is CVE-2026-71408?: Medium severity. CVSS v3 base score is 5.3 out of 10.