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Vulnerability Details :

CVE-2026-2033

Summary
Assigner-zdi
Assigner Org ID-99f1926a-a320-47d8-bbb5-42feb611262e
Published At-20 Feb, 2026 | 22:12
Updated At-26 Feb, 2026 | 14:44
Rejected At-
Credits

MLflow Tracking Server Artifact Handler Directory Traversal Remote Code Execution Vulnerability

MLflow Tracking Server Artifact Handler Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of MLflow Tracking Server. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of artifact file paths. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-26649.

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)
â–¼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:zdi
Assigner Org ID:99f1926a-a320-47d8-bbb5-42feb611262e
Published At:20 Feb, 2026 | 22:12
Updated At:26 Feb, 2026 | 14:44
Rejected At:
â–¼CVE Numbering Authority (CNA)
MLflow Tracking Server Artifact Handler Directory Traversal Remote Code Execution Vulnerability

MLflow Tracking Server Artifact Handler Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of MLflow Tracking Server. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of artifact file paths. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-26649.

Affected Products
Vendor
MLflow
Product
MLflow
Default Status
unknown
Versions
Affected
  • 3.1.1 and 5b9c01925c2e2a8cf0951f155a6a468ff99cfe0f
Problem Types
TypeCWE IDDescription
CWECWE-22CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Type: CWE
CWE ID: CWE-22
Description: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Metrics
VersionBase scoreBase severityVector
3.08.1HIGH
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Version: 3.0
Base score: 8.1
Base severity: HIGH
Vector:
CVSS:3.0/AV:N/AC:H/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-26-105/
x_research-advisory
https://github.com/mlflow/mlflow/pull/19260
vendor-advisory
Hyperlink: https://www.zerodayinitiative.com/advisories/ZDI-26-105/
Resource:
x_research-advisory
Hyperlink: https://github.com/mlflow/mlflow/pull/19260
Resource:
vendor-advisory
â–¼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Information is not available yet
â–¼National Vulnerability Database (NVD)
nvd.nist.gov
Source:zdi-disclosures@trendmicro.com
Published At:20 Feb, 2026 | 23:16
Updated At:23 Feb, 2026 | 18:14

MLflow Tracking Server Artifact Handler Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of MLflow Tracking Server. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of artifact file paths. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-26649.

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
Secondary3.08.1HIGH
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.0
Base score: 8.1
Base severity: HIGH
Vector:
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-22Primaryzdi-disclosures@trendmicro.com
CWE ID: CWE-22
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-26-105/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-26-105/
Source: zdi-disclosures@trendmicro.com
Resource: N/A

Change History

0
Information is not available yet

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Known To Be Used In Ransomware Campaigns?-Not Available
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Vendor-hiawatha-webservern/a
Product-hiawathan/a
CWE ID-CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Details not found