PT-2026-59307 · Pypi · Mlflow

Published 2026-07-13 · Updated 2026-07-13

OSV

CVSS v3.1

8.1

High

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Fix

Related Identifiers

PYSEC-2026-2658

Affected Products

Mlflow

References · 9

• https://osv.dev/vulnerability/PYSEC-2026-2658 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-2033 · Security Note
• https://github.com/mlflow/mlflow/releases/tag/v3.8.0rc0 · Note
• https://github.com/mlflow/mlflow · Note
• https://github.com/mlflow/mlflow/pull/19260 · Note
• https://github.com/mlflow/mlflow/commit/5bf2ec2bd4222a18d78631183ac7f6b752afe8a4 · Note
• https://pypi.org/project/mlflow · Note
• https://zerodayinitiative.com/advisories/ZDI-26-105 · Note
• https://github.com/advisories/GHSA-q2r8-vmq7-fpx2 · Note