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CVE-2026-69148— MLflow: CreateModelVersion source validation does not check READ permission on referenced run_id

Quick assessment

Affected
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组织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 3.15.0之前版本存在授权问题漏洞，该漏洞源于路径验证不当，可能导致认证用户创建引用其他用户工件目录的模型版本并读取文件，从而进行未授权访问。

CVSS 7.1 · High EPSS 0.22% · P12

Affected Version Matrix 1

VendorProduct Version RangeStatus
mlflow mlflow < 3.15.0 affected
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I. Basic Information for CVE-2026-69148

Vulnerability Information
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Vulnerability Title
MLflow: CreateModelVersion source validation does not check READ permission on referenced run_id
Source: CVE Program / CVE List V5
Vulnerability Description
MLflow is an open source AI engineering platform for agents, large language models, and machine learning models. Prior to 3.15.0, CreateModelVersion accepts a run_id or model_id after _validate_source_run() or _validate_source_model() in mlflow/server/handlers.py verifies only path containment, allowing authenticated users to create a model version that references another user's artifact directory and read files through GET /model-versions/get-artifact without the required READ permission. This issue is fixed in version 3.15.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
MLflow 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MLflow是MLflow组织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 3.15.0之前版本存在授权问题漏洞，该漏洞源于路径验证不当，可能导致认证用户创建引用其他用户工件目录的模型版本并读取文件，从而进行未授权访问。
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 < 3.15.0 -

II. Public POCs for CVE-2026-69148

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III. Intelligence Information for CVE-2026-69148

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Patches & Fixes for CVE-2026-69148 (2)

Vendor Advisories for CVE-2026-69148 (1)

Vendor Pages for CVE-2026-69148 (1)

Same Patch Batch · mlflow · 2026-08-17 · 3 CVEs total

CVE-2026-64849 9.3 CRITICAL MLflow: Unauthenticated full-read SSRF in webhook delivery: _validate_webhook_url bypassed
CVE-2026-69146 6.5 MEDIUM MLflow: LogInputs endpoint bypasses per-run UPDATE authorization in basic-auth

IV. Related Vulnerabilities

Same product: mlflow
Same vendor: mlflow
Same weakness: CWE-862

V. Comments for CVE-2026-69148

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