CVE-2026-2635: high-severity vulnerability in MLflow
MLflow Use of Default Password Authentication Bypass Vulnerability
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.3epss 1.1%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected products
MLflow · MLflowRelated CVEs — MLflow
In the same product, most dangerous first.
CVE-2025-11201HIGHMLflow Tracking Server Model Creation Directory Traversal Remote Code Execution VulnerabilityEPSS 26.3%CVE-2026-2033HIGHMLflow Tracking Server Artifact Handler Directory Traversal Remote Code Execution VulnerabilityEPSS 1.8%CVE-2025-11200HIGHMLflow Weak Password Requirements Authentication Bypass VulnerabilityEPSS 1.4%CVE-2024-37061HIGHCVE-2024-37061EPSS 0.9%CVE-2024-37060HIGHCVE-2024-37060EPSS 0.8%CVE-2026-96804HIGHCVE-2026-96804EPSS 0.7%