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CVE Vulnerability Details :
CVE-2026-2635
PUBLISHED
More InfoOfficial Page
Assigner-zdi
Assigner Org ID-99f1926a-a320-47d8-bbb5-42feb611262e
View Known Exploited Vulnerability (KEV) details
Published At-20 Feb, 2026 | 22:25
Updated At-20 Feb, 2026 | 22:25
Rejected At-
▼CVE Numbering Authority (CNA)
MLflow Use of Default Password Authentication Bypass Vulnerability

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.

Affected Products
Vendor
MLflow
Product
MLflow
Default Status
unknown
Versions
Affected
  • 3.4.0
Problem Types
TypeCWE IDDescription
CWECWE-1393CWE-1393: Use of Default Password
Type: CWE
CWE ID: CWE-1393
Description: CWE-1393: Use of Default Password
Metrics
VersionBase scoreBase severityVector
3.09.8CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Version: 3.0
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.zerodayinitiative.com/advisories/ZDI-26-111/
x_research-advisory
https://github.com/mlflow/mlflow/pull/19260
vendor-advisory
Hyperlink: https://www.zerodayinitiative.com/advisories/ZDI-26-111/
Resource:
x_research-advisory
Hyperlink: https://github.com/mlflow/mlflow/pull/19260
Resource:
vendor-advisory
Details not found