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Servers and applications

CVE-2026-121530

A improper authentication vulnerability in Fortinet FortiOS 7.6.0 through 7.6.6 may allow a remote authenticated attacker to gain improper access control via an invalid token after entering a valid username and password

Severity
Medium 5.9
Published
10 Nov 2026
Last changed
10 Nov 2026
Added to UpHeron
10 Nov 2026
Sources
CVE Program

Affected software

SoftwareAffected versions
Fortinet FortiOSServers and applications · cna:fortinet|fortios
  • From 7.6.0 up to 7.6.6
Fortinet FortiOSServers and applications · cpe:o:fortinet:fortios
  • From 7.6.0 up to 7.6.6

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-121530