SB2026021042 - Missing authorization in FortiAuthenticator
Published: February 10, 2026
Security Bulletin ID
SB2026021042
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Missing authorization (CVE-ID: CVE-2026-21743)
The vulnerability allows a remote privileged user to execute arbitrary code.
The vulnerability exists due to missing authorization on CSV user import. A read-only user can make modification to local users via a file upload to an unprotected endpoint.
Remediation
Install update from vendor's website.