Medium SEVERITY — Vulnerability

2FA request can be replayed without a valid token after one successful request

CVSSv3 Score: 6.7 An Improper authentication vulnerability [CWE-287] in FortiSOAR web GUI may allow an unauthenticated attacker to bypass authentication via replaying captured 2FA request. The attack requires being able to intercept and decrypt authentication traffic and precise timing to replay the request before token expiration. Revised on 2026-04-14 00:00:00

Platform
FortiGate / FortiOS
CVSS Score
6.7/10
Advisory
FG-IR-26-101
Published
14 April 2026
Views
3
Primary source: Review the official advisory at fortiguard.fortinet.com Kaynağa Git

Summary

CVSSv3 Score: 6.7 An Improper authentication vulnerability [CWE-287] in FortiSOAR web GUI may allow an unauthenticated attacker to bypass authentication via replaying captured 2FA request. The attack requires being able to intercept and decrypt authentication traffic and precise timing to replay the request before token expiration. Revised on 2026-04-14 00:00:00

Source

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