Vulnerability Description
A vulnerability in the `_create_model_version()` handler of `mlflow/server/handlers.py` in mlflow/mlflow versions 3.9.0 and earlier allows an unauthenticated remote attacker to read arbitrary files from the server's filesystem. The issue arises when a `CreateModelVersion` request includes the tag `mlflow.prompt.is_prompt`, which bypasses source path validation. This enables an attacker to store an arbitrary local filesystem path as the model version source. The `get_model_version_artifact_handler()` function later uses this source to serve files without verifying the model version's prompt status, leading to a complete confidentiality compromise. This issue is fixed in version 3.10.0.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/mlflow/mlflow/commit/6e801f4259d96804c73107315b24cef0f6aa115a
- https://huntr.com/bounties/19380271-3fbf-4beb-987e-6fd7069c55e6
- https://huntr.com/bounties/19380271-3fbf-4beb-987e-6fd7069c55e6
FAQ
What is CVE-2026-2614?
CVE-2026-2614 is a vulnerability with a CVSS score of 7.5 (HIGH). A vulnerability in the `_create_model_version()` handler of `mlflow/server/handlers.py` in mlflow/mlflow versions 3.9.0 and earlier allows an unauthenticated remote attacker to read arbitrary files fr...
How severe is CVE-2026-2614?
CVE-2026-2614 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-2614?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.