Vulnerability 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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/mlflow/mlflow/pull/19260
- https://www.zerodayinitiative.com/advisories/ZDI-26-111/
- https://access.redhat.com/security/cve/CVE-2026-2635
- https://bugzilla.redhat.com/show_bug.cgi?id=2441514
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2635.json
FAQ
What is CVE-2026-2635?
CVE-2026-2635 is a vulnerability with a CVSS score of 7.3 (HIGH). MLflow Use of Default Password Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of MLflow. Authentication is not requi...
How severe is CVE-2026-2635?
CVE-2026-2635 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-2635?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.