CVE-2025-22859 Path traversal in FortiClientEMS

What is CVE-2025-22859?

CVE-2025-22859 is a medium-severity path traversal vulnerability in Fortinet FortiClientEMS, published on 13 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A Relative Path Traversal vulnerability [CWE-23] in FortiClientEMS 7.4.0 through 7.4.1 and FortiClientEMS Cloud 7.4.0 through 7.4.1 may allow a remote unauthenticated attacker to perform a limited arbitrary file write on the system via upload requests.

Weakness: CWE-23

Which versions are affected by CVE-2025-22859?

It affects 2 products.

Products include Fortinet Forticlientems, Fortinet Forticlientems Cloud.

How do I fix CVE-2025-22859?

No fix has been published for CVE-2025-22859 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2025-22859 being exploited?

There is no known exploitation of CVE-2025-22859 in the wild and no public exploit code.

Other vulnerabilities in Fortinet FortiClientEMS

• CVE-2026-35616 Fortinet FortiClient EMS Improper Access Control Exploited Critical 9.1
• CVE-2026-21643 Fortinet FortiClient EMS SQL Injection Exploited Critical 9.1
• CVE-2024-23106 Auth bypass in FortiClientEMS High 7.7
• CVE-2025-59922 SQL injection in FortiClientEMS Medium 6.8
• CVE-2026-59836 Security feature bypass in FortiClientEMS Medium 6.7

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-q7rh-46fc-x4wh.