CVE-2023-6014 MLflow Authentication Bypass
Attackers can create arbitrary accounts in MLflow, bypassing authentication and potentially gaining unauthorized access to the platform.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-6014?
CVE-2023-6014 is a critical authentication bypass vulnerability in Lfprojects Mlflow, published on 16 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An attacker is able to arbitrarily create an account in MLflow bypassing any authentication requirment.
Weakness: CWE-598
Which versions are affected by CVE-2023-6014?
4 open source packages ship an affected version, including mlflow. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
mlflow Bitnami | All versions | None |
mlflow PyPI | All versions | 2.8.0 |
mlflow PyPI | All versions | 2.8.0 |
mlflow PyPI | All versions | 2.8.0 |
Products include Lfprojects Mlflow.
How do I fix CVE-2023-6014?
Upgrade mlflow to 2.8.0 or later.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2023-6014 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-6014 exists.
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-2023-6014, GHSA-4qq5-mxxx-m6gg, MINI-645h-6m66-485j, PYSEC-2026-415.