CVSS 3.1
8.2 highCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:NCVE-2026-126240 fortinet fortiauthenticator: LDAP Injection
High (8.2) in fortinet fortiauthenticator. EPSS 0.3% estimated probability of exploitation activity in the next 30 days.
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A improper neutralization of special elements used in an ldap query ('ldap 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 bypass authentication. Successful exploitation requires either a malicious/compromised upstream IdP, or an IdP configuration that allows the user to control the NameID (or the SAML attribute used as the username).
Severity
- EPSS
- 0.3% estimated probability of exploitation activity in the next 30 days; 21st percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
- CWE
- CWE-90 Improper Neutralization of Special Elements used in an LDAP Query (LDAP Injection)
- OWASP Top 10
- A05:2025 Injection
- Published
- Modified
- Assigned by
- fortinet (CNA)
- NVD analysis
- Awaiting analysis
- Record from
- the NVD, synced
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Affected
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| Fortinet FortiAuthenticator | from 8.0.0 through 8.0.3 |
| Fortinet FortiAuthenticator | from 6.6.0 through 6.6.10 |
Attack patterns (CAPEC)
- CAPEC-136 LDAP Injection Likelihood: High · Severity: High
The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.