CVE-2026-59836

Improper Certificate Validation in FortiClientEMS Leading to Information Disclosure

Published Jul 14, 2026 CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed

Description

A improper certificate validation vulnerability in Fortinet FortiClientEMS 7.4.3 through 7.4.5, FortiClientEMS 7.4.0 through 7.4.1, FortiClientEMS 7.2 all versions may allow attacker to information disclosure via <insert attack vector here>

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

FortiClientEMS

unaffected

Version	Status	Constraints
`7.4.3`	affected	≤ 7.4.5
`7.4.0`	affected	≤ 7.4.1
`7.2.12`	affected	≤ 7.2.14
`7.2.0`	affected	≤ 7.2.10

Configuration 1 [-]

OR	cpe:2.3:a:fortinet:forticlientems::::::::
	cpe:2.3:a:fortinet:forticlientems::::::::

No data.

Vendor Product Versions

Fortinet

Forticlientems

Version	Status	Scheme	Platform
`[7.4.3,7.4.5]`	affected	semver	—
`[7.4.0,7.4.1]`	affected	semver	—
`[7.2.12,7.2.14]`	affected	semver	—
`[7.2.0,7.2.10]`	affected	semver	—

Remediation

Vendor Solution

Upgrade to upcoming FortiClientEMS version 8.0.0 or above Upgrade to FortiClientEMS version 7.4.6 or above

Tracking

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.221% probability within 30 days)

Exploitation none

Automatable no

Technical Impact total

References

Link	Providers
https://fortiguard.fortinet.com/psirt/FG-IR-26-147

History

Jul 31, 2026 10:30 AM Title updated View changes

Type	Values Removed	Values Added
Title		Improper Certificate Validation in FortiClientEMS Leading to Information Disclosure

Jul 26, 2026 12:15 PM Title updated View changes

Type	Values Removed	Values Added
Title	Improper Certificate Validation in FortiClientEMS Leading to Information Disclosure

Jul 24, 2026 7:30 AM Title updated View changes

Type	Values Removed	Values Added
Title		Improper Certificate Validation in FortiClientEMS Leading to Information Disclosure

Jul 17, 2026 10:15 PM Title updated View changes

Type	Values Removed	Values Added
Title	Improper Certificate Validation in FortiClientEMS Leading to Information Disclosure

Jul 16, 2026 7:30 AM Title updated View changes

Type	Values Removed	Values Added
Title		Improper Certificate Validation in FortiClientEMS Leading to Information Disclosure

Jul 14, 2026 4:30 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Jul 14, 2026 3:45 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 certificate validation vulnerability in Fortinet FortiClientEMS 7.4.3 through 7.4.5, FortiClientEMS 7.4.0 through 7.4.1, FortiClientEMS 7.2 all versions may allow attacker to information disclosure via <insert attack vector here>
First Time appeared		Fortinet Fortinet forticlientems
Weaknesses		CWE-295
CPEs		cpe:2.3:a:fortinet:forticlientems:7.2.0:::::::* cpe:2.3:a:fortinet:forticlientems:7.2.10:::::::* cpe:2.3:a:fortinet:forticlientems:7.2.12:::::::* cpe:2.3:a:fortinet:forticlientems:7.2.13:::::::* cpe:2.3:a:fortinet:forticlientems:7.2.14:::::::* cpe:2.3:a:fortinet:forticlientems:7.2.1:::::::* cpe:2.3:a:fortinet:forticlientems:7.2.2:::::::* cpe:2.3:a:fortinet:forticlientems:7.2.3:::::::* cpe:2.3:a:fortinet:forticlientems:7.2.4:::::::* cpe:2.3:a:fortinet:forticlientems:7.2.5:::::::* cpe:2.3:a:fortinet:forticlientems:7.2.6:::::::* cpe:2.3:a:fortinet:forticlientems:7.2.7:::::::* cpe:2.3:a:fortinet:forticlientems:7.2.8:::::::* cpe:2.3:a:fortinet:forticlientems:7.2.9:::::::* cpe:2.3:a:fortinet:forticlientems:7.4.0:::::::* cpe:2.3:a:fortinet:forticlientems:7.4.1:::::::* cpe:2.3:a:fortinet:forticlientems:7.4.3:::::::* cpe:2.3:a:fortinet:forticlientems:7.4.4:::::::* cpe:2.3:a:fortinet:forticlientems:7.4.5:::::::*
Vendors & Products		Fortinet Fortinet forticlientems
References		https://fortiguard.fortinet.com/psirt/FG-IR-26-147
Metrics		cvssV3_1 `{'score': 6.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C'}`