CVE-2026-2033 PUBLISHED

MLflow Tracking Server Artifact Handler Directory Traversal Remote Code Execution Vulnerability

Assigner: zdi
Reserved: 06.02.2026 Published: 20.02.2026 Updated: 20.02.2026

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. Was ZDI-CAN-26649.

Metrics

CVSS Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 8.1

Product Status

Vendor MLflow
Product MLflow
Versions Default: unknown
  • Version 3.1.1 and 5b9c01925c2e2a8cf0951f155a6a468ff99cfe0f is affected

References

Problem Types

  • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') CWE