CVE-2026-2033

MLflow Tracking Server Artifact Handler Directory Traversal Remote Code Execution Vulnerability

State: Published
Severity: 8.1 High
Published: Feb 20, 2026
Updated: Jul 15, 2026
Reserved: Feb 6, 2026

Description

MLflow Tracking Server Artifact Handler 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 artifact 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-26649.

Scores

CVSS	Score	Vector	Source
3.0	8.1 High	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	zdi
3.1	7.3 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L	redhat-SADP

Weaknesses

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Affected Products

Product	Versions
MLflowMLflow	3.1.1 and 5b9c01925c2e2a8cf0951f155a6a468ff99cfe0fAffected

References

ZDI-26-105
vendor-provided URLvendor-advisory
https://access.redhat.com/security/cve/CVE-2026-2033vdb-entry
RHBZ#2441508issue-tracking
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2033.json

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