Unauthorized Access in Mlflow’s Basic Auth Application
CVE-2025-15381

8.1HIGH

Key Information:

Vendor

Mlflow

Status
Mlflow/mlflow
Vendor
CVE Published:
27 March 2026

What is CVE-2025-15381?

In the latest versions of Mlflow, when the basic-auth application is enabled, the tracing and assessment endpoints lack adequate permission checks. This flaw allows any authenticated user, even those assigned 'NO_PERMISSIONS' on specific experiments, to access trace metadata and manipulate assessments. As a result, sensitive information can be inadvertently disclosed, compromising confidentiality and permitting unauthorized modification of data, posing serious risks to user privacy and data integrity.

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Affected Version(s)

mlflow/mlflow <= unspecified

References

https://huntr.com/bounties/149fb2f9-ef4b-4136-a25c-205634...

CVSS V3.0

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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