A improper access control vulnerability in Fortinet FortiAuthenticator 8.0.2, FortiAuthenticator 8.0.0, FortiAuthenticator 6.6.0 through 6.6.8, FortiAuthenticator 6.5.0 through 6.5.6 may allow attacker to execute unauthorized code or commands via crafted requests.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00108.

Exploitation none

Automatable yes

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Fortinet FortiAuthenticator unaffected
Version Status Constraints
8.0.2 affected —
8.0.0 affected —
6.6.0 affected ≤ 6.6.8
6.5.0 affected ≤ 6.5.6
6.4.0 affected ≤ 6.4.10

Configuration 1 [-]

OR cpe:2.3:a:fortinet:fortiauthenticator:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:*:*:*:*:*:*:*:*

No data.

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Vendors Products
Fortinet Subscribe
Fortiauthenticator Subscribe

Project Subscriptions

Vendors Products
Fortinet Subscribe
Fortiauthenticator Subscribe
Advisories

No advisories yet.

Fixes

Solution

Upgrade to FortiAuthenticator version 8.0.3 or above Upgrade to FortiAuthenticator version 8.0.1 or above Upgrade to FortiAuthenticator version 6.6.9 or above Upgrade to FortiAuthenticator version 6.5.7 or above Upgrade to FortiAuthenticator version 6.4.11 or above Upgrade to FortiAuthenticator version 6.3.5 or above

Workaround

No workaround given by the vendor.

References
Link Providers
https://fortiguard.fortinet.com/psirt/FG-IR-26-128 cve-icon cve-icon
History

Thu, 28 May 2026 13:45:00 +0000

Type Values Removed Values Added
Title Access Control Flaw in FortiAuthenticator Enabling Remote Code Execution

Thu, 28 May 2026 10:15:00 +0000

Type Values Removed Values Added
Description A improper access control vulnerability in Fortinet FortiAuthenticator 8.0.2, FortiAuthenticator 8.0.0, FortiAuthenticator 6.6.0 through 6.6.8, FortiAuthenticator 6.5.0 through 6.5.6 may allow attacker to execute unauthorized code or commands via <insert attack vector here> A improper access control vulnerability in Fortinet FortiAuthenticator 8.0.2, FortiAuthenticator 8.0.0, FortiAuthenticator 6.6.0 through 6.6.8, FortiAuthenticator 6.5.0 through 6.5.6 may allow attacker to execute unauthorized code or commands via crafted requests.

Fri, 15 May 2026 13:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:fortinet:fortiauthenticator:*:*:*:*:*:*:*:*

Tue, 12 May 2026 20:30:00 +0000

Type Values Removed Values Added
Title Access Control Flaw in FortiAuthenticator Enabling Remote Code Execution

Tue, 12 May 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Tue, 12 May 2026 17:30:00 +0000

Type Values Removed Values Added
Description A improper access control vulnerability in Fortinet FortiAuthenticator 8.0.2, FortiAuthenticator 8.0.0, FortiAuthenticator 6.6.0 through 6.6.8, FortiAuthenticator 6.5.0 through 6.5.6 may allow attacker to execute unauthorized code or commands via <insert attack vector here>
First Time appeared Fortinet
Fortinet fortiauthenticator
Weaknesses CWE-284
CPEs cpe:2.3:a:fortinet:fortiauthenticator:6.4.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.4.10:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.4.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.4.2:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.4.3:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.4.4:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.4.5:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.4.6:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.4.7:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.4.8:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.4.9:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.5.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.5.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.5.2:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.5.3:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.5.4:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.5.5:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.5.6:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.6.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.6.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.6.2:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.6.3:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.6.4:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.6.5:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.6.6:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.6.7:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:6.6.8:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:8.0.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiauthenticator:8.0.2:*:*:*:*:*:*:*
Vendors & Products Fortinet
Fortinet fortiauthenticator
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: fortinet

Published:

Updated: 2026-05-28T09:30:16.137Z

Reserved: 2026-05-05T17:24:16.702Z

Link: CVE-2026-44277

cve-icon Vulnrichment

Updated: 2026-05-12T19:02:53.888Z

cve-icon NVD

Status : Modified

Published: 2026-05-12T18:17:30.040

Modified: 2026-05-28T10:16:25.620

Link: CVE-2026-44277

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-28T13:30:15Z

Weaknesses