Logo
-

Byte Open Security

(ByteOS Network)

Log In

Sign Up

ByteOS

Security
Vulnerability Details
Registries
Custom Views
Weaknesses
Attack Patterns
Filters & Tools
Vulnerability Details :

CVE-2026-2635

Summary
Assigner-zdi
Assigner Org ID-99f1926a-a320-47d8-bbb5-42feb611262e
Published At-20 Feb, 2026 | 22:25
Updated At-20 Feb, 2026 | 22:25
Rejected At-
Credits

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:zdi
Assigner Org ID:99f1926a-a320-47d8-bbb5-42feb611262e
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
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:zdi-disclosures@trendmicro.com
Published At:20 Feb, 2026 | 23:16
Updated At:20 Feb, 2026 | 23:16

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.09.8CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
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
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-1393Primaryzdi-disclosures@trendmicro.com
CWE ID: CWE-1393
Type: Primary
Source: zdi-disclosures@trendmicro.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/mlflow/mlflow/pull/19260zdi-disclosures@trendmicro.com
N/A
https://www.zerodayinitiative.com/advisories/ZDI-26-111/zdi-disclosures@trendmicro.com
N/A
Hyperlink: https://github.com/mlflow/mlflow/pull/19260
Source: zdi-disclosures@trendmicro.com
Resource: N/A
Hyperlink: https://www.zerodayinitiative.com/advisories/ZDI-26-111/
Source: zdi-disclosures@trendmicro.com
Resource: N/A

Change History

0
Information is not available yet

Similar CVEs

1Records found
CVE-2023-45249
Matching Score-4
Assigner-Acronis International GmbH
ShareView Details
Matching Score-4
Assigner-Acronis International GmbH
CVSS Score-9.8||CRITICAL
EPSS-93.20% / 99.79%
||
7 Day CHG-0.14%
Published-24 Jul, 2024 | 14:03
Updated-22 Oct, 2025 | 16:49
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Known KEV||Action Due Date - 2024-08-19||Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Remote command execution due to use of default passwords. The following products are affected: Acronis Cyber Infrastructure (ACI) before build 5.0.1-61, Acronis Cyber Infrastructure (ACI) before build 5.1.1-71, Acronis Cyber Infrastructure (ACI) before build 5.2.1-69, Acronis Cyber Infrastructure (ACI) before build 5.3.1-53, Acronis Cyber Infrastructure (ACI) before build 5.4.4-132.

Action-Not Available
Vendor-Acronis (Acronis International GmbH)
Product-cyber_infrastructureAcronis Cyber Infrastructurecyber_infrastructureCyber Infrastructure (ACI)
CWE ID-CWE-1393
Use of Default Password
Details not found