CVE-2026-22153
Authentication Bypass in Fortinet FortiOS LDAP Agentless VPN
Publication date: 2026-02-10
Last updated on: 2026-02-12
Assigner: Fortinet, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| fortinet | fortios | From 7.6.0 (inc) to 7.6.5 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-305 | The authentication algorithm is sound, but the implemented mechanism can be bypassed as the result of a separate weakness that is primary to the authentication error. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is an Authentication Bypass by Primary Weakness (CWE-305) found in Fortinet FortiOS versions 7.6.0 through 7.6.4. It may allow an unauthenticated attacker to bypass LDAP authentication for Agentless VPN or FSSO policy when the remote LDAP server is configured in a specific way.
How can this vulnerability impact me? :
An attacker exploiting this vulnerability could bypass LDAP authentication without valid credentials, potentially gaining unauthorized access to Agentless VPN or FSSO policies. This could lead to full compromise of confidentiality, integrity, and availability of affected systems.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know