# CVE-2025-59719

## Summary

- **CVE ID:** CVE-2025-59719
- **Severity:** CRITICAL
- **CVSS Score:** 9.1 (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)
- **CWE:** CWE-347
- **Published:** Dec 9, 2025
- **Last Modified:** Aug 11, 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.

## Affected Products

- Fortinet — FortiWeb (8.0.0)
- Fortinet — FortiWeb (7.6.0)
- Fortinet — FortiWeb (7.4.0)

## References

- [CNA](https://fortiguard.fortinet.com/psirt/FG-IR-25-647)
- [siemens-SADP](https://cert-portal.siemens.com/productcert/html/ssa-864900.html)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 29.22%
- **EPSS Percentile:** 98.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._