CVE-2026-126241

Unauthorized SQL Injection in Fortinet FortiAuthenticator 8.0.x and 6.6.x

Published Nov 11, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Description

A improper neutralization of special elements used in an sql command ('sql injection') vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an authenticated attacker to execute unauthorized SQL commands on the underlying database.

Affected Products

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
`8.0.0`	affected	≤ 8.0.3
`6.6.0`	affected	≤ 6.6.10
`6.5.2`	affected	≤ 6.5.7

No data.

Vendor Product Versions

Fortinet

Fortiauthenticator

Version	Status	Scheme	Platform
`[8.0.0,8.0.3]`	affected	semver	—
`[6.6.0,6.6.10]`	affected	semver	—
`[6.5.2,6.5.7]`	affected	semver	—

Remediation

Vendor Solution

Upgrade to FortiAuthenticator version 8.0.4 or above Upgrade to FortiAuthenticator version 6.6.11 or above

Tracking

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

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% (0.295% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://fortiguard.fortinet.com/psirt/FG-IR-26-256

History

Nov 12, 2026 5:00 PM Title updated View changes

Type	Values Removed	Values Added
Title		Unauthorized SQL Injection in Fortinet FortiAuthenticator 8.0.x and 6.6.x

Nov 11, 2026 9:45 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 neutralization of special elements used in an sql command ('sql injection') vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an authenticated attacker to execute unauthorized SQL commands on the underlying database.
First Time appeared		Fortinet Fortinet fortiauthenticator
Weaknesses		CWE-89
CPEs		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:6.5.7:::::::* cpe:2.3:a:fortinet:fortiauthenticator:6.6.0:::::::* cpe:2.3:a:fortinet:fortiauthenticator:6.6.10:::::::* 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:6.6.9:::::::* cpe:2.3:a:fortinet:fortiauthenticator:8.0.0:::::::* cpe:2.3:a:fortinet:fortiauthenticator:8.0.1:::::::* cpe:2.3:a:fortinet:fortiauthenticator:8.0.2:::::::* cpe:2.3:a:fortinet:fortiauthenticator:8.0.3:::::::*
Vendors & Products		Fortinet Fortinet fortiauthenticator
References		https://fortiguard.fortinet.com/psirt/FG-IR-26-256
Metrics		cvssV3_1 `{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C'}`