Vulnerability · Published Oct 27, 2026 · Assigned by fortinet

CVE-2026-106174

Medium 6.7

In plain English

A medium-severity security flaw in FortiOS from Fortinet. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).

Severity (CVSS 3.1)6.7Medium
Exploit odds (30 days)0.3%top 79.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Fortinet FortiOS 8.0.07.6.4 – through 7.6.6

Weakness: CWE-667 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C

References