Description

A improper verification of cryptographic signature vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11, FortiOS 7.0.0 through 7.0.17, FortiProxy 7.6.0 through 7.6.3, FortiProxy 7.4.0 through 7.4.10, FortiProxy 7.2.0 through 7.2.14, FortiProxy 7.0.0 through 7.0.21, FortiSwitchManager 7.2.0 through 7.2.6, FortiSwitchManager 7.0.0 through 7.0.5 allows an unauthenticated attacker to bypass the FortiCloud SSO login authentication via a crafted SAML response message.

INFO

Published Date :

2025-12-09T17:20:11.783Z

Last Modified :

2026-03-20T12:39:05.952Z

Source :

fortinet
AFFECTED PRODUCTS

The following products are affected by CVE-2025-59718 vulnerability.

Vendors Products
Fortinet
  • Fortios
  • Fortiproxy
  • Fortiswitchmanager
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-59718.

URL Resource
https://arcticwolf.com/resources/blog/arctic-wolf-observes-malicious-sso-logins-following-disclosure-cve-2025-59718-cve-2025-59719/ cve-icon cve-icon
https://fortiguard.fortinet.com/psirt/FG-IR-25-647 cve-icon cve-icon
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-59718 cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact