---
id: CVE-2023-43472
aliases:
  - GHSA-wqxf-447m-6f5f
  - BIT-mlflow-2023-43472
  - PYSEC-2026-1661
title: Information exposure in MLflow
summary: Information exposure in MLflow
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'
vendor: mlflow
product: mlflow
ecosystem: pip
affected:
  - mlflow < 2.9.0
patched:
  - mlflow 2.9.0
published: '2023-12-05'
updated: '2026-07-07'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-wqxf-447m-6f5f'
references:
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2023-43472'
  - url: 'https://github.com/mlflow/mlflow'
  - url: 'https://mlflow.org/news/2023/12/06/2.9.0-release/index.html'
  - url: >-
      https://www.contrastsecurity.com/security-influencers/discovering-mlflow-framework-zero-day-vulnerability-machine-language-model-security-contrast-security
tags:
  - osv
  - pip
  - exploit-available
epss: 0.36582
epssPercentile: 0.98443
ingestedAt: '2026-07-08T18:25:53.891Z'
exploits:
  nuclei:
    - CVE-2023-43472
  checkedAt: '2026-09-25T08:20:41.887Z'
exploitAvailable: true
---

## Overview

An issue in MLFlow versions 2.8.1 and before allows a remote attacker to obtain sensitive information via a crafted request to REST API.

## Affected packages

- `mlflow < 2.9.0`

## Remediation

Upgrade to a patched release:

- `mlflow 2.9.0`