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
History

Tue, 07 Apr 2026 15:15:00 +0000

Type Values Removed Values Added
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
Title Authorization Bypass in MLflow AJAX Endpoint
Weaknesses CWE-862
References
Metrics cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: CERT-PL

Published:

Updated: 2026-04-07T13:05:47.658Z

Reserved: 2026-03-24T13:13:32.905Z

Link: CVE-2026-33866

cve-icon Vulnrichment

Updated: 2026-04-07T13:05:41.111Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-04-07T13:16:47.000

Modified: 2026-04-07T13:20:11.643

Link: CVE-2026-33866

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.