CVE-2026-84393
At a glance
- Severity
- HIGH 7.3
- EPSS
- EPSS 0.28 % · percentile 20 (2026-10-27)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- fortinet
- NVD status
- Awaiting Analysis
Description
A improper validation of certificate with host mismatch vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6, FortiProxy 7.6.2 through 7.6.6 may allow attacker to information disclosure via <insert attack vector here>
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.3 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C | fortinet |
| CVSS 3.1 | HIGH 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · psirt@fortinet.com (Secondary) |
Weaknesses (CWE)
European references
- ENISA EUVD · EUVD-2026-72927
- GCVE · GCVE-0-2026-84393
CERT-FR advisories
- CERTFR-2026-AVI-1166 — Multiples vulnérabilités dans les produits Fortinet · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| Fortinet · FortiOS | affected 7.6.1 ≤ 7.6.6 |
| Fortinet · FortiProxy | affected 7.6.2 ≤ 7.6.6 |
References
- https://fortiguard.fortinet.com/psirt/FG-IR-26-174
- https://cert-portal.siemens.com/productcert/html/ssa-127084.html
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |