High severity8.1NVD Advisory· Published Feb 20, 2026· Updated Apr 15, 2026
CVE-2026-2033
CVE-2026-2033
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
mlflowPyPI | < 3.8.0rc0 | 3.8.0rc0 |
Affected products
2Patches
Vulnerability mechanics
References
7- github.com/advisories/GHSA-q2r8-vmq7-fpx2ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-2033ghsaADVISORY
- github.com/mlflow/mlflow/commit/5bf2ec2bd4222a18d78631183ac7f6b752afe8a4ghsaWEB
- github.com/mlflow/mlflow/pull/19260nvdWEB
- github.com/mlflow/mlflow/releases/tag/v3.8.0rc0ghsaWEB
- www.zerodayinitiative.com/advisories/ZDI-26-105ghsaWEB
- www.zerodayinitiative.com/advisories/ZDI-26-105/nvd
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