CVE-2025-59719
Modified Modified - Updated After Analysis
BaseFortify

Publication date: 2025-12-09

Last updated on: 2026-06-09

Assigner: Fortinet, Inc.

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.
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Meta Information
Published
2025-12-09
Last Modified
2026-06-09
Generated
2026-06-16
AI Q&A
2025-12-09
EPSS Evaluated
2026-06-15
NVD
CVE-2025-59719
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
fortinet fortiweb From 7.4.0 (inc) to 7.4.9 (inc)
fortinet fortiweb From 7.6.0 (inc) to 7.6.4 (inc)
fortinet fortiweb 8.0.0
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-347 The product does not verify, or incorrectly verifies, the cryptographic signature for data.
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Executive Summary

This vulnerability is an improper verification of cryptographic signatures in Fortinet FortiWeb versions 8.0.0, 7.6.0 through 7.6.4, and 7.4.0 through 7.4.9. It may allow an unauthenticated attacker to bypass the FortiCloud Single Sign-On (SSO) login authentication by using a crafted SAML response message.

Impact Analysis

An attacker exploiting this vulnerability could bypass the FortiCloud SSO login authentication without needing to be authenticated. This could lead to unauthorized access with potentially full control, impacting confidentiality, integrity, and availability of the affected system.

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