NewsFortinet PSIRT

    ZTNA Portal Improper Certificate Validation

    CVSSv3 Score: 8.1 An improper certificate validation vulnerability [CWE-295] in FortiOS and FortiProxy Agentless ZTNA portal may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the communication channel between the ZTNA portal and the backend destination website. Revised on 2026-09-08 00:00:00

    Source: https://fortiguard.fortinet.com/psirt/FG-IR-26-174

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