CVE-2026-106173

Path Traversal Allowing Unauthorized Code Execution in FortiSIEM 7.5.0

Published Oct 13, 2026 CVSS 3.1 · 9.4 Critical EPSS < 1% KEV · Not listed

Description

A improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiSIEM 7.5.0, FortiSIEM 7.4 all versions, FortiSIEM 7.3 all versions, FortiSIEM 7.2 all versions, FortiSIEM 7.1 all versions, FortiSIEM 7.0 all versions may allow attacker to execute unauthorized code or commands via specially crafted packets.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Fortinet

FortiSIEM

unaffected

Version	Status	Constraints
`7.5.0`	affected	—
`7.4.0`	affected	≤ 7.4.2
`7.3.0`	affected	≤ 7.3.5
`7.2.0`	affected	≤ 7.2.7
`7.1.0`	affected	≤ 7.1.9
`7.0.0`	affected	≤ 7.0.4

No data.

Vendor Product Versions

Fortinet

Fortisiem

Version	Status	Scheme	Platform
`7.5.0`	affected	semver	—
`[7.4.0,7.4.2]`	affected	semver	—
`[7.3.0,7.3.5]`	affected	semver	—
`[7.2.0,7.2.7]`	affected	semver	—
`[7.1.0,7.1.9]`	affected	semver	—
`[7.0.0,7.0.4]`	affected	semver	—

Remediation

Vendor Solution

Upgrade to FortiSIEM version 7.6.0 or above Upgrade to FortiSIEM version 7.5.1 or above

Tracking

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.998% probability within 30 days)

Exploitation none

Automatable yes

Technical Impact total

References

Link	Providers
https://fortiguard.fortinet.com/psirt/FG-IR-26-180
https://github.com/horizon3ai/CVE-2026-106173

History

Nov 12, 2026 9:30 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics	ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}`	ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Nov 10, 2026 8:15 PM Description updated View changes

Type	Values Removed	Values Added
Description	A improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiSIEM 7.5.0 may allow attacker to execute unauthorized code or commands via specially crafted packets.	A improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiSIEM 7.5.0, FortiSIEM 7.4 all versions, FortiSIEM 7.3 all versions, FortiSIEM 7.2 all versions, FortiSIEM 7.1 all versions, FortiSIEM 7.0 all versions may allow attacker to execute unauthorized code or commands via specially crafted packets.

Oct 20, 2026 5:30 PM Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
References		https://github.com/horizon3ai/CVE-2026-106173
Metrics	ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`	ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Oct 14, 2026 11:30 AM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Oct 13, 2026 8:45 PM Title updated View changes

Type	Values Removed	Values Added
Title		Path Traversal Allowing Unauthorized Code Execution in FortiSIEM 7.5.0

Oct 13, 2026 6:00 PM Description updated. First appearance in the feed. Weaknesses updated. Affected versions updated. Affected vendors updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		A improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiSIEM 7.5.0 may allow attacker to execute unauthorized code or commands via specially crafted packets.
First Time appeared		Fortinet Fortinet fortisiem
Weaknesses		CWE-22
CPEs		cpe:2.3:a:fortinet:fortisiem:7.0.0:::::::* cpe:2.3:a:fortinet:fortisiem:7.0.1:::::::* cpe:2.3:a:fortinet:fortisiem:7.0.2:::::::* cpe:2.3:a:fortinet:fortisiem:7.0.3:::::::* cpe:2.3:a:fortinet:fortisiem:7.0.4:::::::* cpe:2.3:a:fortinet:fortisiem:7.1.0:::::::* cpe:2.3:a:fortinet:fortisiem:7.1.1:::::::* cpe:2.3:a:fortinet:fortisiem:7.1.2:::::::* cpe:2.3:a:fortinet:fortisiem:7.1.3:::::::* cpe:2.3:a:fortinet:fortisiem:7.1.4:::::::* cpe:2.3:a:fortinet:fortisiem:7.1.5:::::::* cpe:2.3:a:fortinet:fortisiem:7.1.6:::::::* cpe:2.3:a:fortinet:fortisiem:7.1.7:::::::* cpe:2.3:a:fortinet:fortisiem:7.1.8:::::::* cpe:2.3:a:fortinet:fortisiem:7.1.9:::::::* cpe:2.3:a:fortinet:fortisiem:7.2.0:::::::* cpe:2.3:a:fortinet:fortisiem:7.2.1:::::::* cpe:2.3:a:fortinet:fortisiem:7.2.2:::::::* cpe:2.3:a:fortinet:fortisiem:7.2.3:::::::* cpe:2.3:a:fortinet:fortisiem:7.2.4:::::::* cpe:2.3:a:fortinet:fortisiem:7.2.5:::::::* cpe:2.3:a:fortinet:fortisiem:7.2.6:::::::* cpe:2.3:a:fortinet:fortisiem:7.2.7:::::::* cpe:2.3:a:fortinet:fortisiem:7.3.0:::::::* cpe:2.3:a:fortinet:fortisiem:7.3.1:::::::* cpe:2.3:a:fortinet:fortisiem:7.3.2:::::::* cpe:2.3:a:fortinet:fortisiem:7.3.3:::::::* cpe:2.3:a:fortinet:fortisiem:7.3.4:::::::* cpe:2.3:a:fortinet:fortisiem:7.3.5:::::::* cpe:2.3:a:fortinet:fortisiem:7.4.0:::::::* cpe:2.3:a:fortinet:fortisiem:7.4.1:::::::* cpe:2.3:a:fortinet:fortisiem:7.4.2:::::::* cpe:2.3:a:fortinet:fortisiem:7.5.0:::::::*
Vendors & Products		Fortinet Fortinet fortisiem
References		https://fortiguard.fortinet.com/psirt/FG-IR-26-180
Metrics		cvssV3_1 `{'score': 9.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C'}`