Description
In mlflow version 2.20.3, the temporary directory used for creating Python virtual environments is assigned insecure world-writable permissions (0o777). This vulnerability allows an attacker with write access to the `/tmp` directory to exploit a race condition and overwrite `.py` files in the virtual environment, leading to arbitrary code execution. The issue is resolved in version 3.4.0.
Published: 2026-02-02
Score: 7 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-4x5p-f36r-mxxr mlflow Creates of Temporary File in Directory with Insecure Permissions
History

Tue, 14 Apr 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Lfprojects
Lfprojects mlflow
CPEs cpe:2.3:a:lfprojects:mlflow:*:-:*:*:*:*:*:*
Vendors & Products Lfprojects
Lfprojects mlflow

Wed, 04 Feb 2026 12:45:00 +0000

Type Values Removed Values Added
First Time appeared Mlflow
Mlflow mlflow
Vendors & Products Mlflow
Mlflow mlflow

Mon, 02 Feb 2026 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 02 Feb 2026 11:00:00 +0000

Type Values Removed Values Added
Description In mlflow version 2.20.3, the temporary directory used for creating Python virtual environments is assigned insecure world-writable permissions (0o777). This vulnerability allows an attacker with write access to the `/tmp` directory to exploit a race condition and overwrite `.py` files in the virtual environment, leading to arbitrary code execution. The issue is resolved in version 3.4.0.
Title Privilege Escalation in mlflow/mlflow
Weaknesses CWE-379
References
Metrics cvssV3_0

{'score': 7, 'vector': 'CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: @huntr_ai

Published:

Updated: 2026-02-02T17:48:15.265Z

Reserved: 2025-09-11T15:38:58.426Z

Link: CVE-2025-10279

cve-icon Vulnrichment

Updated: 2026-02-02T17:48:11.883Z

cve-icon NVD

Status : Analyzed

Published: 2026-02-02T11:16:16.867

Modified: 2026-04-14T14:57:42.480

Link: CVE-2025-10279

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-04T12:44:52Z

Weaknesses