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CVE-2026-21643

SQL Injection: Is CVE-2026-21643 real, exploitable, or a false positive? Here's the community verdict.

Community verdict: No field verdicts yet. Be the first practitioner to weigh in.

signals

public sources

Exploited in wild
Yes
CISA KEV · Apr 13, 2026
Public exploit
PoC (unverified)
Metasploit/EDB/PoC
Base severity
9.8 Critical
CVSS
Exploitation prob.
98%
FIRST EPSS
Weakness
CWE-89 · SQL Injection
CWE

Confirmed exploited in the wild. Patch this first, regardless of the base score.

cisa ssvc

CISA Vulnrichment · assessed

Exploitation
Active
in the wild
Automatable
Yes
at scale
Technical impact
Total
on success

CISA decision, by how critical the affected system is to you:

  • low impact → Attend
  • medium impact → Act
  • high impact → Act

Track: normal patch cycle · Track*: watch closely · Attend: patch sooner · Act: patch now. About SSVC ↗

public exploits

links to sources — we don’t host code

Unverified proof-of-concept code has been published. It may or may not be functional — assess before relying on it.

baseline read

auto · not a community verdict

Real — exploited in the wild

CISA confirms active exploitation. Treat scanner hits as true positives unless your specific version or config is unaffected.

Based on CISA KEV

Confirm or dispute →
Affected:Fortinet

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

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.

Published · Added to CISA KEV (66 days after publication)

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timeline

  1. CISA SSVC assessment · exploitation: active
  2. Added to CISA KEV · confirmed exploited in the wild
  3. Added to VulnCheck KEV · reported exploited in the wild
  4. Published by NVD

Score and exploit changes tracked since .

Community ground truth

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In your experience, is this finding real and exploitable?

awaiting field verdicts
Real, but not a risk here
Not a real issue

Curated baseline: TruePositive's read from public sources is Real & exploitable — a starting point, not a community verdict.

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Field notes & remediation

Verdicts are the quick signal. Notes are the evidence and fixes behind them.

  • 0
    Field note · TruePositive EditorialCurated

    Fortinet FortiClient EMS SQL Injection Vulnerability — 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. Listed in the CISA KEV catalog (added 2026-04-13) — confirmed exploited in the wild, not theoretical. FIRST EPSS puts the chance of exploitation in the next 30 days at ~94%. Treat it as real and prioritize remediation over triage.

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Same weakness: CWE-89 · SQL Injection.