CVE-2023-6015: MLflow allowed arbitrary files to be PUT onto the server.

CVE-2023-6015 is a vulnerability in MLflow that allows attackers to upload arbitrary files to the server using PUT requests. This is a path traversal vulnerability (CWE-22, where an attacker can write files outside the intended directory by manipulating file paths), with a CVSS severity score of 4.0 (a moderate-level security issue on a 0-10 scale).