{"id":"PYSEC-2026-415","summary":"MLflow authentication requirement bypass can allow a user to arbitrarily create an account","details":"An attacker is able to arbitrarily create an account in MLflow bypassing any authentication requirement.","aliases":["BIT-mlflow-2023-6014","CVE-2023-6014","GHSA-4qq5-mxxx-m6gg"],"modified":"2026-07-01T20:22:58.262031Z","published":"2026-06-29T11:50:43.574098Z","references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-6014"},{"type":"WEB","url":"https://github.com/mlflow/mlflow/issues/9669"},{"type":"WEB","url":"https://github.com/mlflow/mlflow/pull/9700"},{"type":"WEB","url":"https://github.com/mlflow/mlflow/commit/32de2154ef9f946160e5dc01a4d8a449dd0bd259"},{"type":"PACKAGE","url":"https://github.com/mlflow/mlflow"},{"type":"WEB","url":"https://github.com/mlflow/mlflow/releases/tag/v2.8.0"},{"type":"WEB","url":"https://huntr.com/bounties/3e64df69-ddc2-463e-9809-d07c24dc1de4"},{"type":"PACKAGE","url":"https://pypi.org/project/mlflow"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-4qq5-mxxx-m6gg"}],"affected":[{"package":{"name":"mlflow","ecosystem":"PyPI","purl":"pkg:pypi/mlflow"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.0"}]}],"versions":["0.0.1","0.1.0","0.2.0","0.2.1","0.3.0","0.4.0","0.4.1","0.4.2","0.5.0","0.5.1","0.5.2","0.6.0","0.7.0","0.8.0","0.8.1","0.8.2","0.9.0","0.9.0.1","0.9.1","1.0.0","1.1.0","1.1.1.dev0","1.10.0","1.11.0","1.12.0","1.12.1","1.13","1.13.1","1.14.0","1.14.1","1.15.0","1.16.0","1.17.0","1.18.0","1.19.0","1.2.0","1.20.0","1.20.1","1.20.2","1.21.0","1.22.0","1.23.0","1.23.1","1.24.0","1.25.0","1.25.1","1.26.0","1.26.1","1.27.0","1.28.0","1.29.0","1.3.0","1.30.0","1.30.1","1.4.0","1.5.0","1.6.0","1.7.0","1.7.1","1.7.2","1.8.0","1.9.0","1.9.1","2.0.0","2.0.0rc0","2.0.1","2.1.0","2.1.1","2.2.0","2.2.1","2.2.2","2.3.0","2.3.1","2.3.2","2.4.0","2.4.1","2.4.2","2.5.0","2.6.0","2.7.0","2.7.1"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/mlflow/PYSEC-2026-415.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"}]}