CVE-2026-2614highobserved exploitationCWE-22

CVE-2026-2614: high-severity vulnerability in mlflow/mlflow

Arbitrary File Read via Prompt Tag Source Validation Bypass in mlflow/mlflow

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58Vexday Risk Score

Patch now. It exploitation observed by VulnCheck and has a working public exploit.

ssvc Actcvss 7.5epss 3.6%
from disclosure to weapon
Published on NVDMay 11
VulnCheck+110d
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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected products
mlflow · mlflow/mlflow
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