CVE-2026-33866
5.3
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Summary
MLflow is vulnerable to an authorization bypass affecting the AJAX endpoint used to download saved model artifacts. Due to missing access‑control validation, a user without permissions to a given experiment can directly query this endpoint and retrieve model artifacts they are not authorized to access.
This issue affects MLflow version through 3.10.1
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Mlflow | Mlflow | 0 <= 3.10.1 | affected |
Weaknesses
- CWE-862: CWE-862 Missing Authorization
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: yes
- Technical Impact: partial
References
- https://github.com/mlflow/mlflow/pull/21708
- https://cert.pl/en/posts/2026/04/CVE-2026-33865/
- https://afine.com/blogs/attacking-mlflow-how-ml-artifacts-become-attack-vectors
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