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CVE-2026-2635

CRITICAL CVSS 3.0: 9.8 EPSS 0.80%
Updated Feb 20, 2026
MLflow
Parameter Value
CVSS 9.8 (CRITICAL)
Type CWE-1393 (Use of Default Password)
Vendor MLflow
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v3.0