๐Ÿ” CVE Alert

CVE-2026-121530

MEDIUM 5.9
CVSS Score
5.9
EPSS Score
0.0%
EPSS Percentile
0th

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

CWE CWE-287
Vendor fortinet
Product fortios
Ecosystems
Industries
NetworkingSecurity
Published Nov 10, 2026
Last Updated Nov 11, 2026
Stay Ahead of the Next One

Get instant alerts for fortinet fortios

Be the first to know when new medium vulnerabilities affecting fortinet fortios are published โ€” delivered to Slack, Telegram or Discord.

Get Free Alerts โ†’ Free ยท No credit card ยท 60 sec setup

CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Affected Versions

Fortinet / FortiOS
7.6.0 โ‰ค 7.6.6

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
fortiguard.fortinet.com: https://fortiguard.fortinet.com/psirt/FG-IR-26-195