CVE-2026-84389: Low severity Fortinet FortiSIEM vulnerability

Published Sep 8, 2026
·
Updated

A url redirection to untrusted site ('open redirect') vulnerability in Fortinet FortiSIEM 7.5.0 through 7.5.1, FortiSIEM 7.4.1 through 7.4.2 may allow attacker to execute unauthorized code or commands via <insert attack vector here>

Affected Software

1 affected component
Fortinet FortiSIEM>=7.5.0<=7.5.1, >=7.4.1<=7.4.2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Fortinet FortiSIEM to a version that resolves this vulnerability.

    Fixed in 7.5.2
  2. Upgrade

    Upgrade Fortinet FortiSIEM to a version that resolves this vulnerability.

    Fixed in 7.6.0

Event History

Sep 8, 2026
CVE Published
via MITRE·04:41 PM
Data Sourced
via MITRE·04:41 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·05:18 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

Which FortiSIEM releases are affected?

The affected releases are FortiSIEM 7.5.0 through 7.5.1 and FortiSIEM 7.4.1 through 7.4.2.

2

Does exploitation require an authenticated account?

No. The supplied CVSS vector indicates that no privileges are required, although exploitation requires user interaction and has high attack complexity.

3

What security impact is indicated?

The supplied severity data indicates integrity impact only, with no indicated confidentiality or availability impact. The description states that the issue may allow unauthorized code or command execution through the unspecified attack vector.

Contact

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