Fortinet SQL Injection Vulnerability

Technical Severity

CVSS v3.1 Metrics

CRITICAL

9.8 / 10

Minimal Risk Critical

Vector Specification

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation Likelihood

EPSS Prediction

43.14 %

Predictive Probability

Percentile Rank

97.5 th

Documented as more likely to be exploited than 97.5% of known CVEs.

Detection Date

Apr 13, 2026

Remediation Due

Apr 16, 2026

CISA Catalog Active

Threat Analysis

Fortinet FortiClient EMS contains a SQL injection vulnerability that may allow an unauthenticated attacker to execute unauthorized code or commands via specifically crafted HTTP requests.

Remediation Directive

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

External Intelligence

https://fortiguard.fortinet.com/psirt/FG-IR-25-1142

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2026-21643