CVE-2026-126253
CVSS Score
9.3
EPSS Score
0.0%
EPSS Percentile
0th
A authentication bypass by primary weakness vulnerability in Fortinet FortiOS 8.0.0 through 8.0.1, 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 to broadcast LSA via specially crafted request
| CWE | CWE-305 |
| Vendor | fortinet |
| Product | fortios |
| Ecosystems | |
| Industries | NetworkingSecurity |
| Published | Nov 11, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H/E:P/RL:O/RC:C Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
High
Availability
High
Affected Versions
Fortinet / FortiOS
8.0.0 ≤ 8.0.1 7.6.0 ≤ 7.6.7 7.4.0 ≤ 7.4.12 7.2.0 ≤ 7.2.13 7.0.1 ≤ 7.0.19