MLflow: LogInputs endpoint bypasses per-run UPDATE authorization in basic-auth
MLflow is an open source AI engineering platform for agents, large language models, and machine learning models. From 3.13.0 until 3.15.0, LogInputs is absent from BEFORE_REQUEST_HANDLERS in the mlflow/server/auth package, allowing any authenticated user to call POST /api/2.0/mlflow/runs/log-inputs for another user's run_id and inject attacker-controlled DatasetInput records into the dataset_inputs lineage metadata without UPDATE permission. This issue is fixed in version 3.15.0.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-69146US | —OT elevated | — | ||
MLflow is an open source AI engineering platform for agents, large language models, and machine learning models. From 3.13.0 until 3.15.0, LogInputs is absent from BEFORE_REQUEST_H… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/mlflow/mlflow/commit/5c34aec5669e2386b38b5ee0855cd61174e27693WEB
- https://github.com/mlflow/mlflow/pull/24291WEB
- https://github.com/mlflow/mlflow/releases/tag/v3.15.0WEB
- https://github.com/mlflow/mlflow/security/advisories/GHSA-3p64-6gvh-82v5WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-69146WEB
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