ZDI-CAN-26921: ZDI-25-931: MLflow Tracking Server Model Creation 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 model 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.
Other sources
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 ZDI has assigned a CVSS rating of 8.1. The following CVEs are assigned: CVE-2025-11201.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-26921?
The severity of ZDI-CAN-26921 is critical due to the potential for remote code execution without authentication.
How do I fix ZDI-CAN-26921?
To fix ZDI-CAN-26921, update the MLflow Tracking Server to the latest version that addresses this vulnerability.
What type of attacks exploit ZDI-CAN-26921?
ZDI-CAN-26921 can be exploited through remote attacks that allow the execution of arbitrary code on the affected system.
Which software is affected by ZDI-CAN-26921?
ZDI-CAN-26921 affects installations of the MLflow Tracking Server.
Is authentication required to exploit ZDI-CAN-26921?
No, authentication is not required to exploit ZDI-CAN-26921.