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UK Cyber Defence
VulnerabilityAwaiting Analysis

CVE-2026-106174

A improper locking vulnerability in Fortinet FortiOS 8.0.0, FortiOS 7.6.4 through 7.6.6 may allow an unauthenticated attacker with network access to the device to cause a denial of service of the HTTPS management interface via crafted HTTP requests.

HIGH 7.5EPSS —

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unscored. Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A improper locking vulnerability in Fortinet FortiOS 8.0.0, FortiOS 7.6.4 through 7.6.6 may allow an unauthenticated attacker with network access to the device to cause a denial of service of the HTTPS management interface via crafted HTTP requests.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
No score yet
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-667
Source
psirt@fortinet.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.