Is CVE-2026-39809 actively exploited?

CVE-2026-39809 has no public evidence of in-the-wild exploitation as of 2026-04-21.

What is the CVSS score for CVE-2026-39809?

CVE-2026-39809 has a CVSS score of 6.7 (MEDIUM severity). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2026-39809?

Patch guidance is available from fortinet security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-39809.

CVE-2026-39809 - remediation guidance & executive summary

Q: Which products are affected by CVE-2026-39809?

3 products: fortinet forticlientems, fortinet forticlientems, fortinet forticlientems.

Description

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 execute unauthorized code or commands via sending crafted requests

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector: local
Complexity: low
Privileges: high
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-89 · SQL Injection

Metadata

Primary Vendor: FORTINET
Published: 4/14/2026
Last Modified: 4/21/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-39809

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary