Authentication bypass
FG-IR-26-271
Summary
CVSSv3 Score:
8.2
An Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')[CWE-90] in FortiAuthenticator 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).
Revised on 2026-11-10 00:00:00
Products covered
FortiAuthenticator
Remediation
Separate remediation guidance was not included in the collected bulletin.
CVEs in this advisory 1
Updates
- Published by Fortinet
The publication date reported by the vendor.
- Added to SecurityAlert
We collected the advisory from the official source.