What’s Vulnerable › Vulnerabilities

CVE-2026-2033: MLflow Tracking Server Artifact Handler Directory Traversal Remote Code Execution Vulnerability

• Severity: high (CVSS 7.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-20 · updated 2026-07-15
• Weakness: CWE-22

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.

Affected products

• mlflow/mlflow: 3.1.1 and 5b9c01925c2e2a8cf0951f155a6a468ff99cfe0f

References

• 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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