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Servers and applications

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.

Severity
Medium 6.7
Published
27 Oct 2026
Last changed
27 Oct 2026
Added to UpHeron
3 Nov 2026
Sources
CVE Program

Affected software

SoftwareAffected versions
Fortinet FortiOSServers and applications · cna:fortinet|fortios
  • From 7.6.4 up to 7.6.6
  • Version 8.0.0
Fortinet FortiOSServers and applications · cpe:o:fortinet:fortios
  • From 7.6.4 up to 7.6.6
  • Version 8.0.0

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-106174