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CVE-2025-10279— Privilege Escalation in mlflow/mlflow

Quick assessment

Affected
mlflow mlflow/mlflow
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

MLflow是MLflow开源的一个简化机器学习开发的平台，包括跟踪实验、将代码打包成可重复的运行以及共享和部署模型。 MLflow 2.20.3版本存在安全漏洞，该漏洞源于为创建Python虚拟环境分配的临时目录权限不安全，可能导致利用竞争条件覆盖虚拟环境中的.py文件，从而执行任意代码。

AI Predicted 7.5 Difficulty: Easy EPSS 0.24% · P14
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I. Basic Information for CVE-2025-10279

Vulnerability Information
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Vulnerability Title
Privilege Escalation in mlflow/mlflow
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
在具有不安全权限的目录中创建临时文件
Source: CVE Program / CVE List V5
Vulnerability Title
MLflow 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MLflow是MLflow开源的一个简化机器学习开发的平台，包括跟踪实验、将代码打包成可重复的运行以及共享和部署模型。 MLflow 2.20.3版本存在安全漏洞，该漏洞源于为创建Python虚拟环境分配的临时目录权限不安全，可能导致利用竞争条件覆盖虚拟环境中的.py文件，从而执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
mlflow mlflow/mlflow unspecified ~ 3.4.0 -

II. Public POCs for CVE-2025-10279

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III. Intelligence Information for CVE-2025-10279

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IV. Related Vulnerabilities

Same product: mlflow/mlflow
Same vendor: mlflow
Same weakness: CWE-379

V. Comments for CVE-2025-10279

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