CVE-2023-6974 Server-Side Request Forgery (SSRF)
A malicious user can exploit SSRF in MLflow to access internal servers and potentially achieve remote code execution on the victim machine.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-6974?
CVE-2023-6974 is a high-severity server-side request forgery vulnerability in Lfprojects Mlflow, published on 20 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A malicious user could use this issue to access internal HTTP(s) servers and in the worst case (ie: aws instance) it could be abuse to get a remote code execution on the victim machine.
Weakness: CWE-918
Which versions are affected by CVE-2023-6974?
4 open source packages ship an affected version, including mlflow. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
mlflow Bitnami | All versions | 2.9.2 |
mlflow PyPI | All versions | 2.9.2 |
mlflow PyPI | All versions | 2.9.2 |
mlflow PyPI | All versions | 2.9.2 |
Products include Lfprojects Mlflow.
How do I fix CVE-2023-6974?
Upgrade mlflow to 2.9.2 or later.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2023-6974 being exploited?
There is no known exploitation of CVE-2023-6974 in the wild and no public exploit code.
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-2023-6974, GHSA-59v3-898r-qwhj, PYSEC-2026-416.