High severity · published Feb 20, 2026
CVE-2026-2033
MLflow Tracking Server Artifact Handler Directory Traversal Remote Code Execution Vulnerability
7.3
CVSS
1.8%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 79% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ML
MLflow · MLflow
3.1.1 and 5b9c01925c2e2a8cf0951f155a6a468ff99cfe0f · source: vendor
In the news
VulnerabilityHigh
ZDI-26-105: 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 ZDI has assigned a CVSS rating of 8.1. The following CVEs are assigned: CVE-2026-2033.
Feb 13, 2026·Zero Day Initiative
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-2033
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-2033
github.com
https://github.com/mlflow/mlflow/pull/19260
www.zerodayinitiative.com
https://www.zerodayinitiative.com/advisories/ZDI-26-105/
access.redhat.com
https://access.redhat.com/security/cve/CVE-2026-2033
bugzilla.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2441508
security.access.redhat.com
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2033.json
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No description published yet