CVE-2025-59719

State: Published
Severity: 9.1 Critical
Published: Dec 9, 2025
Updated: Oct 15, 2026
Reserved: Sep 19, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	9.1 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C	fortinet

Weaknesses

CWE-347 Improper access control

Affected Products

Product	Versions
FortiWebFortinet	8.0.0Affected 7.6.0 through 7.6.4Affected 7.4.0 through 7.4.9Affected

References

https://fortiguard.fortinet.com/psirt/FG-IR-25-647
https://cert-portal.siemens.com/productcert/html/ssa-864900.html

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