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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,…

Medium5.0EPSS 0.62%
Published
Updated
Reserved
Assigned by
fortinet

Description

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, FortiOS 7.0 all versions, FortiOS 6.4 all versions may allow an unauthenticated attacker to perform a slow HTTP DoS attack on the web interface via crafted HTTP requests.

Scores

CVSS scores of CVE-2026-71408, by who scored it
Scored byCVSSScoreVector
fortinetCNA (assigner)3.1Medium5.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
NVDNVD · Modified3.1Medium5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS (exploitation in 30 days)
0.62% · top 50% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: yes · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.

Weakness

Affected products

  • Fortinet · FortiOS

    • affected 7.6.0 – ≤ 7.6.6
    • affected 7.4.0 – ≤ 7.4.13
    • affected 7.2.0 – ≤ 7.2.14
    • affected 7.0.0 – ≤ 7.0.19
    • affected 6.4.0 – ≤ 6.4.16

What to do

Solution: Upgrade to FortiOS version 8.0.0 or above Upgrade to FortiOS version 7.6.7 or above

References (2)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2026-71408 badge
[![CVE-2026-71408](https://trackcve.app/badge/CVE-2026-71408.svg)](https://trackcve.app/cve/CVE-2026-71408)

Record last updated .