Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2026-33866 Details

Description

MLflow is vulnerable to an authorization bypass affecting the AJAX endpoint used to download saved model artifacts. Due to missing access‑control validation, a user without permissions to a given experiment can directly query this endpoint and retrieve model artifacts they are not authorized to access. This issue affects MLflow version through 3.10.1

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:4.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://afine.com/blogs/attacking-mlflow-how-ml-artifacts-become-attack-vectors [email protected]ExploitThird Party Advisory
https://cert.pl/en/posts/2026/04/CVE-2026-33865/ [email protected]Third Party Advisory
https://github.com/mlflow/mlflow/pull/21708 [email protected]Issue TrackingPatch

Weakness Enumeration

CWE-IDCWE NameSource
CWE-862Missing Authorization[email protected]

Affected Products

ProductVersions
lfprojects mlflow
<= 3.10.1

CPE

  • cpe:2.3:a:lfprojects:mlflow:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-33866
NVD Published Date:
Apr 7, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-33866 Details - Not Deferred