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CVE

CVE-2025-15381

MLFlow allows Tracing + Assessments Access
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CVE

CVE-2025-15381

MLFlow allows Tracing + Assessments Access

In the latest version of mlflow/mlflow, when the basic-auth app is enabled, tracing and assessment endpoints are not protected by permission validators. This allows any authenticated user, including those with NO_PERMISSIONS on the experiment, to read trace information and create assessments for traces they should not have access to. This vulnerability impacts confidentiality by exposing trace metadata and integrity by allowing unauthorized creation of assessments. Deployments using mlflow server --app-name=basic-auth are affected.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
7.1
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
C
H
U
8.1
-
3.0
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
C
H
U
-

Related Resources

No items found.

References

https://nvd.nist.gov/vuln/detail/CVE-2025-15381, https://github.com/mlflow/mlflow, https://github.com/mlflow/mlflow/blob/b569ebc74c14af593c326143bee2df44a5d59edf/mlflow/server/auth/init.py#L752, https://huntr.com/bounties/149fb2f9-ef4b-4136-a25c-20563451904c

Severity

8.1

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
8.1
EPSS Probability
0.00013%
EPSS Percentile
0.02192%
Introduced Version
0
Fix Available

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