FortiClient and EMS
CVE-2026-39810: Use of hard-coded cryptographic key in FortiClientEMS
A use of hard-coded cryptographic key vulnerability in Fortinet FortiClientEMS 7.4.0 through 7.4.5 may allow attacker to information disclosure via decrypting database dump.
Published
ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityMEDIUMCVSS 3.1 5.2
EPSS0.15%Chance of exploitation in 30 days
Public exploitNot tracked
FixAvailable
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| FortiClientEMS 7.4.3 to 7.4.5 | 7.4.6 or later |
| FortiClientEMS 7.4.0 to 7.4.1 | 7.4.6 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
A use of hard-coded cryptographic key vulnerability in Fortinet FortiClientEMS 7.4.0 through 7.4.5 may allow attacker to information disclosure via decrypting database dump.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 10 Oct 2026.