{"id":"CVE-2023-6014","aliases":["BIT-mlflow-2023-6014","EUVD-2023-2882","GHSA-4qq5-mxxx-m6gg","PYSEC-2026-415"],"status":"published","title":"MLflow Authentication Bypass","description":"An attacker is able to arbitrarily create an account in MLflow bypassing any authentication requirment.","severity":{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01167,"percentile":0.67567,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-598"],"published":"2023-11-16T21:07:36Z","modified":"2026-07-01T20:22:58Z","fixes":[{"ecosystem":"PyPI","package":"mlflow","fixed_in":["2.8.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"mlflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.0"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"mlflow"},{"source":"osv","ecosystem":"PyPI","package":"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"]},{"source":"osv","ecosystem":"PyPI","package":"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"]}],"products":[{"vendor":"lfprojects","product":"mlflow"},{"vendor":"mlflow","product":"mlflow"},{"vendor":"mlflow","product":"mlflow/mlflow"}],"references":[{"url":"https://huntr.com/bounties/3e64df69-ddc2-463e-9809-d07c24dc1de4","tags":["x_transferred","Exploit","Issue Tracking","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-6014","tags":["advisory"]},{"url":"https://github.com/mlflow/mlflow/issues/9669","tags":["web"]},{"url":"https://github.com/mlflow/mlflow/pull/9700","tags":["web"]},{"url":"https://github.com/mlflow/mlflow/commit/32de2154ef9f946160e5dc01a4d8a449dd0bd259","tags":["web"]},{"url":"https://github.com/mlflow/mlflow/releases/tag/v2.8.0","tags":["web"]},{"url":"https://github.com/advisories/GHSA-4qq5-mxxx-m6gg","tags":["advisory"]},{"url":"https://github.com/mlflow/mlflow","tags":["package"]},{"url":"https://pypi.org/project/mlflow","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-6014","title":"MLflow Authentication Bypass","description":"An attacker is able to arbitrarily create an account in MLflow bypassing any authentication requirment.","status":"published","published":"2023-11-16T21:07:36.577Z","modified":"2024-09-04T20:22:09.674Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"cna"}],"cwes":["CWE-598"],"updated_at":"2026-11-02T14:35:25.095989Z"}],"euvd":[{"id":"EUVD-2023-2882","description":"An attacker is able to arbitrarily create an account in MLflow bypassing any authentication requirment.","status":"published","published":"2023-11-16T21:07:36Z","modified":"2024-09-04T20:22:09Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-03T00:56:03.731667Z"}],"ghsa":[{"id":"GHSA-4qq5-mxxx-m6gg","title":"MLflow authentication requirement bypass can allow a user to arbitrarily create an account","description":"An attacker is able to arbitrarily create an account in MLflow bypassing any authentication requirement.","status":"published","published":"2023-11-16T21:30:46Z","modified":"2024-03-11T05:00:46Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-598"],"updated_at":"2026-11-02T14:37:40.81935Z"}],"nvd":[{"id":"CVE-2023-6014","description":"An attacker is able to arbitrarily create an account in MLflow bypassing any authentication requirment.","status":"published","published":"2023-11-16T21:15:09.267Z","modified":"2026-06-17T06:49:51.273Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical","assessor":"secondary"}],"cwes":["CWE-598"],"updated_at":"2026-11-02T14:08:47.966245Z"}],"osv":[{"id":"GHSA-4qq5-mxxx-m6gg","title":"MLflow authentication requirement bypass can allow a user to arbitrarily create an account","description":"An attacker is able to arbitrarily create an account in MLflow bypassing any authentication requirement.","status":"published","published":"2023-11-16T21:30:46Z","modified":"2026-06-29T12:26:31.782217158Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"cwes":["CWE-598"],"updated_at":"2026-11-02T15:46:37.528068Z"},{"id":"PYSEC-2026-415","title":"MLflow authentication requirement bypass can allow a user to arbitrarily create an account","description":"An attacker is able to arbitrarily create an account in MLflow bypassing any authentication requirement.","status":"published","published":"2026-06-29T11:50:43.574098Z","modified":"2026-07-01T20:22:58.262031Z","cvss":[{"version":"3.0","score":9.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-02T15:52:57.255153Z"},{"id":"BIT-mlflow-2023-6014","description":"An attacker is able to arbitrarily create an account in MLflow bypassing any authentication requirment.","status":"published","published":"2024-03-06T10:58:06.904Z","modified":"2026-06-29T12:26:31.782217158Z","updated_at":"2026-11-02T15:28:33.072289Z"}]}}