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Vulnerability record · CVE-2026-2033 · published 20 February 2026

CVE-2026-2033: Path traversal vulnerability

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.

7.3 CVSS 3.1 High EPSS 1.7% · top 23.8% CWE-22 · Path traversal Deferred
7.3CVSS 3.1 base score
1.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
15 Jul 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

References

LinkTags
https://github.com/mlflow/mlflow/pull/19260
https://www.zerodayinitiative.com/advisories/ZDI-26-105/
https://access.redhat.com/security/cve/CVE-2026-2033
https://bugzilla.redhat.com/show_bug.cgi?id=2441508
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2033.json

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Source: NIST National Vulnerability Database (record CVE-2026-2033), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.