Summary
| Parameter | Value |
|---|---|
| CVE ID | CVE-2026-2651 |
| Alert Source | GitHub Advisory - Critical Vulnerability |
| CVE Publication Year | 2026 |
| Date Published | 2026-05-26 |
| Vendor | MLflow |
| Product | MLflow |
| CVSS Score | 9.0 (critical) |
| EPSS Score | 0.1% (percentile: 16%) |
| CISA KEV | No |
| Ransomware | Not confirmed |
Vulnerability Description
A vulnerability in MLflow versions <=3.10.1.dev0 allows unauthorized access to multipart upload (MPU) endpoints when the --serve-artifacts mode is enabled. The authorization logic does not enforce resource-level permission checks for /mlflow-artifacts/mpu/* endpoints, enabling attackers to overwrite artifacts belonging to other users. This can lead to unauthorized cross-user writes, model supply chain poisoning, and arbitrary code execution when compromised models are loaded. The issue is re…
Required Actions
Apply vendor patches or mitigations as soon as available.
Who Is Affected?
This vulnerability affects MLflow by MLflow. Check if your organization uses this software and requires updates.
Sources
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