CVE-2026-126184

A authentication bypass by spoofing vulnerability in Fortinet FortiAnalyzer 8.0.0 through 8.0.1,...

8.2 High

A authentication bypass by spoofing vulnerability in Fortinet FortiAnalyzer 8.0.0 through 8.0.1, FortiAnalyzer 7.6.0 through 7.6.7, FortiAnalyzer 7.4.0 through 7.4.11, FortiAnalyzer 7.2.0 through 7.2.12, FortiAnalyzer Cloud 8.0.1, FortiAnalyzer Cloud 7.6.0 through 7.6.7, FortiAnalyzer Cloud 7.4.1 through 7.4.11, FortiAnalyzer Cloud 7.2.1 through 7.2.12, FortiManager 8.0.0 through 8.0.1, FortiManager 7.6.0 through 7.6.7, FortiManager 7.4.0 through 7.4.11, FortiManager 7.2.0 through 7.2.12, FortiManager Cloud 8.0.1, FortiManager Cloud 7.6.0 through 7.6.7, FortiManager Cloud 7.4.1 through 7.4.11, FortiManager Cloud 7.2.1 through 7.2.12 may allow an attacker to disrupt the HA state.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: High

Exploit likelihood

0.50%Scored on 2026-11-12. The trend appears after a second daily score.

What each source reports

CVE List Score used8.2

Record: CVE-2026-126184
CVSS 3.1: 8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H/E:P/RL:O/RC:C
Weakness: CWE-290
Updated: 2026-11-11

EUVDEUVD-2026-1238558.2

Record: EUVD-2026-123855
CVSS 3.1: 8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H/E:P/RL:O/RC:C
Updated: 2026-11-12

GitHub AdvisoriesGHSA-4444-m7rm-3q688.2

A authentication bypass by spoofing vulnerability in Fortinet FortiAnalyzer 8.0.0 through 8.0.1,...

Record: GHSA-4444-m7rm-3q68
CVSS 3.1: 8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Weakness: CWE-290
Updated: 2026-11-12

NVD8.2

Record: CVE-2026-126184
CVSS 3.1: 8.2 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Weakness: CWE-290
Updated: 2026-11-11

Affected products

History

History
Recorded	Changed	Sources
Nov 12, 2026	published	EUVD
Nov 12, 2026	aliases, references, title	GitHub Advisories, NVD
Nov 11, 2026	cwes, severity	CVE List
Nov 11, 2026	first indexed	EUVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-126184 is a high vulnerability (CVSS 8.2) in Fortinet Fortianalyzer, published November 11, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.50%, the 43rd percentile. No source names a fixed version.