Fortinet FortiAuthenticator up to 8.0.3/6.6.10 sql injection

Summaryinfo

A vulnerability marked as critical has been reported in Fortinet FortiAuthenticator up to 8.0.3/6.6.10. Impacted is an unknown function. This manipulation causes sql injection. This vulnerability is handled as CVE-2026-126241. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Fortinet FortiAuthenticator up to 8.0.3/6.6.10. It has been declared as critical. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a sql injection vulnerability. The CWE definition for the vulnerability is CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at fortiguard.fortinet.com. This vulnerability is known as CVE-2026-126241 since 11/10/2026. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/11/2026). The attack technique deployed by this issue is T1505 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• Fortinet

Name

• FortiAuthenticator

Version

• 6.6.0
• 6.6.1
• 6.6.2
• 6.6.3
• 6.6.4
• 6.6.5
• 6.6.6
• 6.6.7
• 6.6.8
• 6.6.9
• 6.6.10
• 8.0.0
• 8.0.1
• 8.0.2
• 8.0.3

License

• commercial

Website

• Vendor: https://www.fortinet.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

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