MLflow Tracking Server Missing Authorization Privilege Escalation Vulnerability

October 29th, 2026
ZDI-26-841 ZDI-CAN-32107

CVE ID

CVE-2026-118625

CVSS Score

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

Affected Vendors

MLflow

Affected Products

MLflow

Vulnerability Details

This vulnerability allows remote attackers to escalate privileges on affected installations of MLflow. Authentication is required to exploit this vulnerability.

The specific flaw exists within the get_endpoints function. The issue results from the lack of authorization prior to allowing access to functionality. An attacker can leverage this vulnerability to escalate privileges to resources normally protected from the user.

Additional Details

Fixed in MLflow 3.16.0
https://github.com/mlflow/mlflow/pull/24354


Disclosure Timeline

  • 2026-06-30 - Vulnerability reported to vendor
  • 2026-10-29 - Coordinated public release of advisory
  • 2026-10-29 - Advisory Updated

Credit

Grigory Dorodnov of TrendAI Research

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