CVE-2026-3198Improper Access Control in mlflow/mlflow
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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MLflow 3.9.0 with basic-auth (`--app-name basic-auth`) fails to enforce authorization checks for multiple Gateway API 'list' endpoints. Specifically, the `BEFORE_REQUEST_HANDLERS` dictionary in `mlflow/server/auth/__init__.py` does not include entries for `ListGatewaySecretInfos`, `ListGatewayEndpoints`, and `ListGatewayModelDefinitions`. This allows any authenticated user, regardless of their assigned permissions, to enumerate all gateway secrets, endpoints, and model definitions. This vulnerability exposes sensitive information, such as API keys, endpoint configurations, and proprietary model definitions, to unauthorized users.
- CVSS
- 6.5 MEDIUM (v3.0, CNA)CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Weakness (CWE)
- CWE-284
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- @huntr_ai
- NVD analysis
- Analyzed
- Record last updated
- Jun 2, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
mlflow mlflow/mlflow mlflow:mlflow (from the name) | from unspecified through latest | CNA record |
lfprojects mlflow lfprojects:mlflow | 3.9.0 | NVD |
References
- https://huntr.com/bounties/e57db731-97d3-40c3-a429-831ee959807fexploit, third-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.