id: PYSEC-2026-1661
published: "2026-07-07T11:45:28.122612Z"
modified: "2026-07-07T17:24:43.368481Z"
aliases:
- CVE-2023-43472
- GHSA-wqxf-447m-6f5f
summary: Information exposure in MLflow
details: 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:
- package:
    name: mlflow
    ecosystem: PyPI
    purl: pkg:pypi/mlflow
  ranges:
  - type: ECOSYSTEM
    events:
    - introduced: "0"
    - fixed: 2.9.0
  versions:
  - 0.0.1
  - 0.1.0
  - 0.2.0
  - 0.2.1
  - 0.3.0
  - 0.4.0
  - 0.4.1
  - 0.4.2
  - 0.5.0
  - 0.5.1
  - 0.5.2
  - 0.6.0
  - 0.7.0
  - 0.8.0
  - 0.8.1
  - 0.8.2
  - 0.9.0
  - 0.9.0.1
  - 0.9.1
  - 1.0.0
  - 1.1.0
  - 1.1.1.dev0
  - 1.10.0
  - 1.11.0
  - 1.12.0
  - 1.12.1
  - "1.13"
  - 1.13.1
  - 1.14.0
  - 1.14.1
  - 1.15.0
  - 1.16.0
  - 1.17.0
  - 1.18.0
  - 1.19.0
  - 1.2.0
  - 1.20.0
  - 1.20.1
  - 1.20.2
  - 1.21.0
  - 1.22.0
  - 1.23.0
  - 1.23.1
  - 1.24.0
  - 1.25.0
  - 1.25.1
  - 1.26.0
  - 1.26.1
  - 1.27.0
  - 1.28.0
  - 1.29.0
  - 1.3.0
  - 1.30.0
  - 1.30.1
  - 1.4.0
  - 1.5.0
  - 1.6.0
  - 1.7.0
  - 1.7.1
  - 1.7.2
  - 1.8.0
  - 1.9.0
  - 1.9.1
  - 2.0.0
  - 2.0.0rc0
  - 2.0.1
  - 2.1.0
  - 2.1.1
  - 2.2.0
  - 2.2.1
  - 2.2.2
  - 2.3.0
  - 2.3.1
  - 2.3.2
  - 2.4.0
  - 2.4.1
  - 2.4.2
  - 2.5.0
  - 2.6.0
  - 2.7.0
  - 2.7.1
  - 2.8.0
  - 2.8.1
references:
- type: ADVISORY
  url: https://nvd.nist.gov/vuln/detail/CVE-2023-43472
- type: PACKAGE
  url: https://github.com/mlflow/mlflow
- type: WEB
  url: https://mlflow.org/news/2023/12/06/2.9.0-release/index.html
- type: WEB
  url: https://www.contrastsecurity.com/security-influencers/discovering-mlflow-framework-zero-day-vulnerability-machine-language-model-security-contrast-security
- type: PACKAGE
  url: https://pypi.org/project/mlflow
- type: ADVISORY
  url: https://github.com/advisories/GHSA-wqxf-447m-6f5f
severity:
- type: CVSS_V3
  score: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N