CVE-2026-2635
MLflow Use of Default Password Authentication Bypass Vulnerability
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th
MLflow Use of Default Password Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of MLflow. Authentication is not required to exploit this vulnerability. The specific flaw exists within the basic_auth.ini file. The file contains hard-coded default credentials. An attacker can leverage this vulnerability to bypass authentication and execute arbitrary code in the context of the administrator. Was ZDI-CAN-28256.
| CWE | CWE-1393 |
| Vendor | mlflow |
| Product | mlflow |
| Published | Feb 20, 2026 |
| Last Updated | Feb 27, 2026 |
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CVSS v3 Breakdown
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Affected Versions
MLflow / MLflow
3.4.0