CVE-2026-44277
Improper Access Control Enabling Remote Code Execution in FortiAuthenticator
Published May 12, 2026
CVSS 3.1 · 9.1 Critical
EPSS < 1%
KEV · Not listed
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, FortiAuthenticator 6.4.0 through 6.4.10 may allow attacker to execute unauthorized code or commands via crafted requests.
Affected Products
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CVE record
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NVD configurations
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Red Hat packages
No data
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OpenCVE enrichment
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 |
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Configuration 1 [-]
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No data.
| Vendor | Product | Versions | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fortinet | Fortiauthenticator |
|
Remediation
Vendor 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
Tracking
Advisories
Metrics
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.
Exploit prediction score: < 1% (0.551% probability within 30 days)
Exploitation none
Automatable yes
Technical Impact total
References
| Link | Providers |
|---|---|
| https://fortiguard.fortinet.com/psirt/FG-IR-26-128 |
|
History
Nov 6, 2026 6:30 PM
Title updated
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Improper Access Control Enabling Remote Code Execution in FortiAuthenticator |
Nov 6, 2026 4:00 PM
Description updated
View changes
| 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 crafted requests. | 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, FortiAuthenticator 6.4.0 through 6.4.10 may allow attacker to execute unauthorized code or commands via crafted requests. |
May 28, 2026 1:45 PM
Title updated
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Access Control Flaw in FortiAuthenticator Enabling Remote Code Execution |
May 28, 2026 10:15 AM
Description updated
View changes
| 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. |
May 15, 2026 1:45 PM
Affected versions updated
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:2.3:a:fortinet:fortiauthenticator:*:*:*:*:*:*:*:* |
May 12, 2026 8:30 PM
Title updated
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Access Control Flaw in FortiAuthenticator Enabling Remote Code Execution |
May 12, 2026 7:15 PM
Scoring metrics updated
View changes
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
May 12, 2026 5:30 PM
Description updated. First appearance in the feed. Weaknesses updated. Affected versions updated. Affected vendors updated. Added references. Scoring metrics updated
View changes
| 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:*:*:*:*:*:*:* |
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| Vendors & Products |
Fortinet
Fortinet fortiauthenticator |
|
| References |
| |
| Metrics |
cvssV3_1
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Subscriptions
Weaknesses
