PYSEC-2026-2658
MLflow Tracking Server Artifact Handler Directory Traversal Remote Code Execution Vulnerability
At a glance
- Published
- Updated
- CVE
- CVE-2026-2033
- Aliases
- GHSA-q2r8-vmq7-fpx2
- CVSS_V3
- CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
MLflow Tracking Server Artifact Handler 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 artifact 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.
Affected packages
| Package | Versions |
|---|---|
| PyPI · mlflow | introduced 0, fixed 3.8.0rc0 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-2033 ADVISORY
- https://github.com/mlflow/mlflow/pull/19260 WEB
- https://github.com/mlflow/mlflow/commit/5bf2ec2bd4222a18d78631183ac7f6b752afe8a4 WEB
- https://github.com/mlflow/mlflow PACKAGE
- https://github.com/mlflow/mlflow/releases/tag/v3.8.0rc0 WEB
- https://www.zerodayinitiative.com/advisories/ZDI-26-105 WEB
- https://pypi.org/project/mlflow PACKAGE
- https://github.com/advisories/GHSA-q2r8-vmq7-fpx2 ADVISORY
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — PyPA Advisory Database |