CVE-2025-11200

Critical

Description

MLflow Weak Password Requirements Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of MLflow. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of passwords. The issue results from weak password requirements. An attacker can leverage this vulnerability to bypass authentication on the system. Was ZDI-CAN-26916.

SeverityCritical

CVSS9.8

Exploit probability—

ProductLfprojects Mlflow

PublishedOct 29, 2025

First seenOct 29, 2025

Weakness typeCWE-521CWE-521

How to fix

Update

mlflow2.22.0rc0 or later

Vendor advisories

github.com/mlflow/mlflow/commit/1f74f3f24d8273927b8db392c23e108576936c54

Affected products

Product	Affected versions	Fixed in
lfprojects mlflow	v ≤ 2.21.0	—
mlflowPyPI	v < 2.22.0rc0	2.22.0rc0

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