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CVE-2026-59838 Details

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>

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:4.8 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CNA: [email protected]CVSS-B:5.9 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://fortiguard.fortinet.com/psirt/FG-IR-26-149	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-80	Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)	[email protected]

Affected Products

Product	Versions
fortinet fortisiem	>= 6.4.0, < 7.2.7 >= 7.3.0, < 7.3.5 7.4.0
CPE cpe:2.3:a:fortinet:fortisiem:::::::: cpe:2.3:a:fortinet:fortisiem:7.4.0:::::::* Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Jul 15, 2026	Initial Analysis	[email protected]
Jul 15, 2026	CVE Modified	CISA-ADP
Jul 15, 2026	New CVE Received	[email protected]