CVE-2026-126163
Summary
| CVE | CVE-2026-126163 |
|---|---|
| State | PUBLISHED |
| Assigner | fortinet |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-11-11 22:17:14 UTC |
| Updated | 2026-11-14 05:18:36 UTC |
| Description | A use of externally-controlled format string vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1 may allow a remote unauthenticated attacker to execute unauthorized code or commands via a specially crafted SMTP command. |
Risk And Classification
Primary CVSS: v3.1 8.1 HIGH from [email protected]
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.003640000 probability, percentile 0.307110000 (date 2026-11-14)
Problem Types: CWE-134 | CWE-134 Execute unauthorized code or commands
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 8.1 | HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | CNA | CVSS | 8.1 | HIGH | 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 |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
HighPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| fortiguard.fortinet.com/psirt/FG-IR-26-215 | [email protected] | fortiguard.fortinet.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
Solutions
CNA: Upgrade to FortiMail version 8.0.2 or above
There are currently no legacy QID mappings associated with this CVE.