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. Was ZDI-CAN-26649.
References (2)
Core 2
Core References
Third Party Advisory x_research-advisory
https://www.zerodayinitiative.com/advisories/ZDI-26-105/
Issue Tracking vendor-advisory
https://github.com/mlflow/mlflow/pull/19260
Scores
CVSS v3
8.1
EPSS
0.1843
EPSS Percentile
95.3%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-22
Status
published
Products (2)
MLflow/MLflow
3.1.1 and 5b9c01925c2e2a8cf0951f155a6a468ff99cfe0f
pypi/mlflow
0 - 3.8.0rc0PyPI
Published
Feb 20, 2026
Tracked Since
Feb 21, 2026