CVE-2026-84389: Execute unauthorized code or commands in Fortinet FortiSIEM
Description
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>
CVSS v3.1
Score 2.8low
Affected software
Fortinet
FortiSIEM
pkg:github/fortinet/fortisiemcpe:2.3:a:fortinet:fortisiem:7.5.1:*:*:*:*:*:*:*cpe:2.3:a:fortinet:fortisiem:7.5.0:*:*:*:*:*:*:*cpe:2.3:a:fortinet:fortisiem:7.4.2:*:*:*:*:*:*:*cpe:2.3:a:fortinet:fortisiem:7.4.1:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is an open redirect in Fortinet FortiSIEM versions 7.4.1 to 7.4.2 and 7.5.0 to 7.5.1. It may enable an attacker to execute unauthorized code or commands via a crafted URL redirection to an untrusted site. The CVSS 3.1 base score is 2.8, reflecting low severity due to the requirement for user interaction and high attack complexity. The vulnerability has been officially fixed by Fortinet.
Potential Impact
The impact is limited to low severity with potential unauthorized code or command execution. There is no confidentiality or availability impact. Exploitation requires user interaction and has a high complexity, reducing the likelihood of successful attacks. No known exploits are reported in the wild.
Mitigation Recommendations
An official fix is available for this vulnerability. Users should apply the vendor-provided patches for FortiSIEM versions 7.4.1 through 7.4.2 and 7.5.0 through 7.5.1 as soon as possible to remediate this issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- fortinet
- Date Reserved
- 2026-09-01T16:36:09.518Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
Threat ID: 6aa03d6bacd9273b49f0b43c
Added to database: 09/08/2026, 16:52:59 UTC
Last enriched: 09/16/2026, 01:59:47 UTC
Last updated: 10/09/2026, 18:48:23 UTC
Views: 68
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