CVE•Published 2025-12-09•Modified 2026-06-09•1 article on news•6 live references•NVD data

CVE-2025-59719Fortinet · Fortiweb

Vulnerability data via NVD (ingested)

CVSS v3.1

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS percentile

Exploit Prediction Scoring System · top 50% of all CVEs

Weaknesses (CWE)

CWE-347Improper Verification of Cryptographic Signature

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.

Timeline

Published 2025-12-09

Modified 2026-06-09

External references

NVD MITRE Exploit-DB GitHub PoC Sploitus VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2025-59719

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Fortinet Fortiweb"

All exposed Fortinet Fortiweb instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Fortiweb"

HTTP body or banner mentions "Fortiweb" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2025-59719