๐Ÿ” CVE Alert

CVE-2026-126259

CRITICAL 9.0
CVSS Score
9.0
EPSS Score
0.0%
EPSS Percentile
0th

A missing authentication for critical function vulnerability in Fortinet FortiOS 8.0.0, FortiOS 7.6.0 through 7.6.7, FortiOS 7.4.0 through 7.4.12, FortiOS 7.2.0 through 7.2.13 may allow an unauthenticated attacker with HA FGSP + standalone-config-sync, or autoscale to execute command as super admin via crafted HA packets.

CWE CWE-306
Vendor fortinet
Product fortios
Ecosystems
Industries
NetworkingSecurity
Published Nov 11, 2026
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CVSS v3 Breakdown

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

Affected Versions

Fortinet / FortiOS
8.0.0 7.6.0 โ‰ค 7.6.7 7.4.0 โ‰ค 7.4.12 7.2.0 โ‰ค 7.2.13 7.0.0 โ‰ค 7.0.19

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
fortiguard.fortinet.com: https://fortiguard.fortinet.com/psirt/FG-IR-26-273