CVE-2025-59719

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...

Basic Information

CVE State
PUBLISHED
Reserved Date
September 19, 2025
Published Date
December 09, 2025
Last Updated
March 20, 2026
Vendor
Fortinet
Product
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.

CVSS Scores

CVSS v3.1

9.1 - CRITICAL

Vector: 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

SSVC Information

Exploitation
none
Automatable
Yes
Technical Impact
total

Exploit Status

Exploited in the Wild
Yes (2025-12-16 14:02:50 UTC) Source

Known Exploited Vulnerability Information

Source Added Date
The Shadowserver (via CIRCL) 2025-12-16 14:02:50 UTC

Timeline

  • CVE ID Reserved

  • CVE Published to Public

  • Added to KEVIntel