Uninitialized Variable Vulnerability in Fortinet FortiAnalyzer Software
CVE-2026-84391

5.9MEDIUM

Key Information:

Vendor

Fortinet
Status
Fortianalyzer
Vendor
CVE Published:
8 September 2026

What is CVE-2026-84391?

A use of uninitialized variable vulnerability exists in Fortinet's FortiAnalyzer versions 7.6.3 through 7.6.6. This flaw may allow an attacker to exploit the software, potentially leading to a denial of service condition. Proper caution and prompt updates are recommended to mitigate the risk. For further details, visit the official Fortiguard advisory.

Affected Version(s)

FortiAnalyzer 7.6.3 <= 7.6.6

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-172

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.