CVE-2026-2635

Description

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.

Risk Information

Base Score

9.8

MODERATE

Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Score

Exploitation Probability

0.735

Associated Vulnerability

Vulnerability	OS Platform
Vulnerabilities CVE-2025-14287,CVE-2026-2033,CVE-2026-2635 are fixed in Python-mlflow 3.8.0rc0	Windows
Vulnerabilities CVE-2025-14287,CVE-2026-2033,CVE-2026-2635 are fixed in Python-mlflow for linux 3.8.0rc0	Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234