CVE-2026-84391

MediumCVSS 6.5

Published: 08/09/2026(UTC)Updated: 08/09/2026(UTC)Translated: 08/09/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.24%

14th percentile - higher than 14% of all known CVEs

Summary

A use of uninitialized variable vulnerability in Fortinet FortiAnalyzer 7.6.3 through 7.6.6 may allow an attacker to cause denial of service. The attack vector is not specified.

Risk Assessment

An attacker could exploit this vulnerability to disrupt FortiAnalyzer service, potentially impacting the availability of security monitoring and analysis in the organization.

Recommendation

It is recommended to update FortiAnalyzer to a patched version if available. Also restrict access to the device to trusted users and monitor for unusual behavior.

Other vulnerabilities in FortiAnalyzer

CVE-2025-61848High
An SQL injection vulnerability in Fortinet FortiAnalyzer, FortiManager and related products (listed versions) may allow a privileged authenticated attacker to execute unauthorized code or commands via JSON RPC API.

Original NVD description (English source)

A use of uninitialized variable vulnerability in Fortinet FortiAnalyzer 7.6.3 through 7.6.6 may allow attacker to denial of service via <insert attack vector here>