CVE-2025-59719: Fortinet FortiWeb · Improper Access Control
Affects Fortinet FortiWebSource CVE Database V5
Not known to be exploited · 29% EPSS · CVSS 9.1 Critical · patch available : patch Fortinet FortiWeb as a priority.
Data as of 26 Oct 2026, 08:30 UTC
- EPSS
- 29.2% chance of exploitation in 30 days – higher than 98% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:CExploitation evidence
Disclosed: evidence found.
CVE published 9 Dec 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| FortinetFortiWeb | Affected
| Fixed in– |
CPE configurations (16)
cpe:2.3:a:fortinet:fortiweb:8.0.0:*:*:*:*:*:*:*cpe:2.3:a:fortinet:fortiweb:7.6.4:*:*:*:*:*:*:*cpe:2.3:a:fortinet:fortiweb:7.6.3:*:*:*:*:*:*:*cpe:2.3:a:fortinet:fortiweb:7.6.2:*:*:*:*:*:*:*cpe:2.3:a:fortinet:fortiweb:7.6.1:*:*:*:*:*:*:*cpe:2.3:a:fortinet:fortiweb:7.6.0:*:*:*:*:*:*:*
AI-suggested
An official fix is available from Fortinet to remediate this vulnerability. Users should apply the vendor-provided patches or updates for FortiWeb versions 8.0.0, 7.6.0 through 7.6.4, and 7.4.0 through 7.4.9 as soon as possible to prevent exploitation.
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.