CVE-2026-59838
Medium
Description
A improper neutralization of script-related html tags in a web page (basic xss) vulnerability in Fortinet FortiSIEM 7.4.0, FortiSIEM 7.3.0 through 7.3.4, FortiSIEM 7.2.0 through 7.2.6, FortiSIEM 7.1 all versions, FortiSIEM 7.0 all versions, FortiSIEM 6.7 all versions, FortiSIEM 6.6 all versions, FortiSIEM 6.5 all versions, FortiSIEM 6.4 all versions may allow attacker to execute unauthorized code or commands via <insert attack vector here>
SeverityMedium
CVSS5.9
Exploit probability—
Product
Fortinet Fortisiem
PublishedJul 15, 2026
First seenJul 15, 2026
Weakness typeCWE-80CWE-80
How to fix
Update
- fortinet fortisiem7.2.7, 7.3.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| fortinet fortisiem | 6.4.0 ≤ v < 7.2.7, 7.3.0 ≤ v < 7.3.5, 7.4.0 | 7.2.7, 7.3.5 |
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