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Servers and applications

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 7.4.9 may allow an unauthenticated attacker to bypass the FortiCloud SSO login authentication via a crafted SAML response message.

Severity
Critical 9.8
Published
9 Dec 2025
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
Fortinet FortiWebServers and applications · cpe:a:fortinet:fortiweb
  • From 7.4.0 up to 7.4.9
  • From 7.6.0 up to 7.6.4
  • Version 8.0.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-59719
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-59719