CVE-2025-59719

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

An improper verification of cryptographic signature vulnerability in Fortinet FortiWeb 8.0.0, FortiWeb 7.6.0 through 7.6.4, FortiWeb 7.4.0 through 7.4.9 may allow an unauthenticated attacker to bypass the FortiCloud SSO login authentication via a crafted SAML response message.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Dec 9, 2025
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2025-59719: Critical severity, CVSS 9.8 | Vulnix