FortiWeb
CVE-2025-59719: Improper verification of cryptographic signature in FortiWeb
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.
Published
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| FortiWeb 8.0 | 8.0.1 or later |
| FortiWeb 7.6.0 to 7.6.4 | 7.6.5 or later |
| FortiWeb 7.4.0 to 7.4.9 | 7.4.10 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
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.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 10 Oct 2026.