Insufficiently Protected Credentials in Fortinet FortiAuthenticator Products
CVE-2026-126248

7.5HIGH

Key Information:

Vendor

Fortinet
Status
Fortiauthenticator
Vendor
CVE Published:
11 November 2026

What is CVE-2026-126248?

A vulnerability has been identified in Fortinet FortiAuthenticator that exposes sensitive information due to insufficient protection of credentials. An unauthenticated attacker can exploit this flaw through specially crafted HTTPS requests, potentially leading to unauthorized access to sensitive data across affected product versions. Users and administrators are advised to review their security settings and ensure they are running the latest, patched versions to mitigate the risk associated with this vulnerability. More information is available on Fortinet's official security advisory.

Affected Version(s)

FortiAuthenticator 8.0.0 <= 8.0.3

FortiAuthenticator 6.6.0 <= 6.6.10

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-262

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.