Improper access control in FortiAuthenticator - CVE-2026-44277
Published: May 12, 2026
Vulnerability identifier: #VU131197
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-44277
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Fortinet, Inc
Affected software:
FortiAuthenticator
FortiAuthenticator
Detailed vulnerability description
The vulnerability allows a remote attacker to execute unauthorized code or commands.
The vulnerability exists due to improper access control in API endpoints when handling crafted requests. A remote attacker can send specially crafted requests to execute unauthorized code or commands.
FortiAuthenticator Cloud is not impacted.
How to mitigate CVE-2026-44277
Install security update from vendor's website.