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CVE-2026-8147

8.1 high SSVC exploitation: poc Analyzed
NVD · CVE.org

In MLflow versions prior to 3.14.0, when running with authentication enabled, the trace API endpoints lack proper authorization validators. This allows any authenticated user to bypass experiment-level authorization controls on all trace operations, including reading, deleting, and modifying traces on experiments they do not have permission to access. The issue arises from the `_before_request` handler, which does not register authorization validators for trace endpoints, resulting in requests proceeding without validation. This vulnerability can expose sensitive data, destroy audit logs, and allow unauthorized modifications.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 8.1 · lfprojectsNVD modified 2026-10-25 21:10

Affected (CPE criteria) 1

  • cpe:2.3:a:lfprojects:mlflow:*:*:*:*:*:*:*:*

References 3