CVE-2025-59719

9.8 CRITICAL

An improper verification of cryptographic signature vulnerability in Fortinet FortiWeb 8.0.0, FortiWeb 7.6.0 through 7.6.4, FortiWeb 7.4....

Published: 2025-12-09 · Last updated: 2026-06-09

Severity and scoring

CVSS: 9.8 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-347

Affected products

Vendor	Product
fortinet	fortiweb

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.

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2025-59719
[Vendor advisory]https://fortiguard.fortinet.com/psirt/FG-IR-25-647
[Other]https://cert-portal.siemens.com/productcert/html/ssa-864900.html

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