CVE-2026-21643
Fortinet FortiClientEMS SQL Injection
Description
An improper neutralization of special elements used in an sql command ('sql injection') vulnerability in Fortinet FortiClientEMS 7.4.4 may allow an unauthenticated attacker to execute unauthorized code or commands via specifically crafted HTTP requests.
INFO
Published Date :
Feb. 6, 2026, 9:15 a.m.
Last Modified :
Feb. 6, 2026, 9:15 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-21643
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 6abe59d8-c742-4dff-8ce8-9b0ca1073da8 | ||||
| CVSS 3.1 | CRITICAL | [email protected] |
Solution
- Update FortiClientEMS to a version that addresses this vulnerability.
- Apply vendor-supplied security patches and updates promptly.
- Validate system integrity after applying updates.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-21643.
| URL | Resource |
|---|---|
| https://fortiguard.fortinet.com/psirt/FG-IR-25-1142 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-21643 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-21643
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-21643 vulnerability anywhere in the article.
-
security.nl
Fortinet waarschuwt voor SQL Injection beveiligingslek in FortiClientEMS
Fortinet waarschuwt klanten voor een kritiek beveiligingslek in FortiClientEMS waardoor SQL Injection mogelijk is. Twee jaar geleden werd een andere SQL Injection kwetsbaarheid actief misbruikt bij aa ... Read more
The following table lists the changes that have been made to the
CVE-2026-21643 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Feb. 06, 2026
Action Type Old Value New Value Added Description An improper neutralization of special elements used in an sql command ('sql injection') vulnerability in Fortinet FortiClientEMS 7.4.4 may allow an unauthenticated attacker to execute unauthorized code or commands via specifically crafted HTTP requests. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-89 Added Reference https://fortiguard.fortinet.com/psirt/FG-IR-25-1142