What is CVE-2026-39809?

CVE-2026-39809 is a medium-severity vulnerability in Fortinet Forticlientems, classified under SQL Injection. CVSS score: 6.2/10. Published 2026-04-14.

How severe is CVE-2026-39809?

Medium severity. CVSS v3 base score is 6.2 out of 10.

SQL Injection in Fortinet Forticlientems

CVE-2026-39809

A improper neutralization of special elements used in an sql command ('sql injection') vulnerability in Fortinet FortiClientEMS 7.4.0 through 7.4.5, FortiClientEMS 7.2.0 through 7.2.12, FortiClientEMS 7.0 all versions may allow attacker to…

Vulnerability class: SQL Injection

EPSS: 0.000 (9.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C.

Affected products

Fortinet Forticlientems — versions 7.4.3, 7.4.0

Weakness classification (CWE)

CWE-89 — SQL Injection

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-102

Frequently asked questions

What is CVE-2026-39809?: CVE-2026-39809 is a medium-severity vulnerability in Fortinet Forticlientems, classified under SQL Injection. CVSS score: 6.2/10. Published 2026-04-14.
How severe is CVE-2026-39809?: Medium severity. CVSS v3 base score is 6.2 out of 10.