What is CVE-2026-2033?

CVE-2026-2033 is a high-severity vulnerability in Mlflow, classified under Path Traversal. CVSS score: 7.3/10. Published 2026-02-20.

How severe is CVE-2026-2033?

High severity. CVSS v3 base score is 7.3 out of 10.

Path Traversal in Mlflow

CVE-2026-2033

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.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.017 (74.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Mlflow — versions 3.1.1 and 5b9c01925c2e2a8cf0951f155a6a468ff99cfe0f

Weakness classification (CWE)

CWE-22 — Path Traversal

References

zdi-disclosures@trendmicro.com (x_research-advisory)
zdi-disclosures@trendmicro.com (vendor-advisory)
0b0ca135-0b70-47e7-9f44-1890c2a1c46c
0b0ca135-0b70-47e7-9f44-1890c2a1c46c
0b0ca135-0b70-47e7-9f44-1890c2a1c46c

Frequently asked questions

What is CVE-2026-2033?: CVE-2026-2033 is a high-severity vulnerability in Mlflow, classified under Path Traversal. CVSS score: 7.3/10. Published 2026-02-20.
How severe is CVE-2026-2033?: High severity. CVSS v3 base score is 7.3 out of 10.