CVE-2025-59719

CRITICAL 9.8CVE-2025-59719 · Published 09/12/2025 · updated 17/06/2026

In short

CVE-2025-59719 is a CRITICAL (CVSS 9.8) vulnerability affecting fortiweb (fortinet).
Chance of exploitation in the next 30 days (EPSS): 29.2%, higher than 98.2% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
fortiweb fortinet	`= 8.0.0≥ 7.4.0, ≤ 7.4.9≥ 7.6.0, ≤ 7.6.4`	No fix yet

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.

References

fortiguard.fortinet.com/psirt/FG-IR-25-647 · Vendor Advisory
cert-portal.siemens.com/productcert/html/ssa-864900.html

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Package

Affected versions

Patched versions

fortiweb

fortinet

= 8.0.0≥ 7.4.0, ≤ 7.4.9≥ 7.6.0, ≤ 7.6.4

No fix yet

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