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CVE-2025-15036 — Vulnerability in mlflow — CVE Details

CRITICAL

MLFlow path traversal vulnerability

Published March 30, 2026Updated September 10, 2026Source: osv

Summary

A path traversal vulnerability exists in the `extract_archive_to_dir` function within the `mlflow/pyfunc/dbconnect_artifact_cache.py` file of the mlflow/mlflow repository. This vulnerability, present in versions before v3.7.0, arises due to the lack of validation of tar member paths during extraction. An attacker with control over the tar.gz file can exploit this issue to overwrite arbitrary files or gain elevated privileges, potentially escaping the sandbox directory in multi-tenant or shared cluster environments.

Advisory Timeline

  • First published March 30, 2026 (196 days ago).
  • Last revised September 10, 2026 — 164 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

pip
Update mlflow to 3.9.0rc0 or later
pip install "mlflow>=3.9.0rc0"

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: pypi (1).

PackageEcosystemAffectedFixed In
mlflow
pypi
0.0.1, 0.1.0, 0.2.0, 0.2.1 (+164 more)3.9.0rc0

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.6 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2025-15036?
MLFlow path traversal vulnerability This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.6/10).
How do I check if my project is affected by CVE-2025-15036?
CVE-2025-15036 affects mlflow. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2025-15036 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.6

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

GHSA-vhcx-3pq2-4fvc
BIT-mlflow-2025-15036
PYSEC-2026-425

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