CVE-2025-11201 MLflow Tracking Server Model Creation Directory Traversal Remote Code Execution Vulnerability
Remote attackers can execute arbitrary code on MLflow Tracking Server via directory traversal in model creation without authentication.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-11201?
CVE-2025-11201 is a high-severity path traversal vulnerability in Lfprojects Mlflow, published on 29 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
MLflow Tracking Server Model Creation Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of MLflow Tracking Server. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the handling of model file paths. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-26921.
Weakness: CWE-22
Which versions are affected by CVE-2025-11201?
6 open source packages ship an affected version, including mlflow. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
mlflow Bitnami | All versions | 3.0.0 |
mlflow PyPI | All versions | 2.22.4, 3.0.0 |
mlflow PyPI | All versions | 2.22.4 |
mlflow PyPI | All versions | 2.22.4 |
mlflow PyPI | From 3.0.0rc0 | 3.0.0 |
mlflow PyPI | From 3.0.0rc0 | 3.0.0 |
Products include Lfprojects Mlflow.
How do I fix CVE-2025-11201?
Upgrade mlflow to a fixed version for your release line: 3.0.0 or 2.22.4.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2025-11201 being exploited?
There is no known exploitation of CVE-2025-11201 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Lfprojects Mlflow
- CVE-2026-64849 MLflow Server-Side Request Forgery
- CVE-2025-15379 Command Injection in mlflow/mlflow
- CVE-2024-0520 Remote Code Execution due to Full Controlled File Write in mlflow/mlflow
- CVE-2023-6977 Path Traversal: '\..\filename'
- CVE-2023-6709 Improper Neutralization of Special Elements Used in a Template Engine in mlflow/mlflow
Sources
Also known as BIT-mlflow-2025-11201, GHSA-5cvj-7rg6-jggj, MINI-hj7f-cq83-3ffj, PYSEC-2026-1640.