Vulnerability · Published Oct 29, 2025 · Assigned by zdi

CVE-2025-11201MLflow Tracking Server Model Creation Directory Traversal Remote Code Execution Vulnerability

High 8.1

In plain English

A high-severity path traversal in MLflow from MLflow. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 26.3% (higher than 98% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.0)8.1High

Exploit odds (30 days)26.3%top 2.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack tooling1Public PoC

Official description

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. Was ZDI-CAN-26921.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
PyPI	mlflow	3.0.0	GHSA-5cvj-7rg6-jggj
PyPI	mlflow	2.22.4	GHSA-5cvj-7rg6-jggj
PyPI	mlflow	2.22.4, 3.0.0	PYSEC-2026-1640

Affected products (as reported)

Vendor	Product	Versions
MLflow	MLflow	2.21.3

Weakness: CWE-22 · Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

ZDI-25-931 x_research-advisory
vendor-provided URL vendor-advisory