CVE-2026-126163

EUVD-2026-123837
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
fortinetCNA
8.1 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
fortinetfortimail
8.0.0 ≤
𝑥
≤ 8.0.1
CNA
Common Weakness Enumeration
References
https://fortiguard.fortinet.com/psirt/FG-IR-26-215