{"id":"CVE-2023-6018","aliases":["BIT-mlflow-2023-6018","EUVD-2023-2888","GHSA-5p3h-7fwh-92rc","PYSEC-2026-417"],"status":"published","title":"MLflow Arbitrary File Write","description":"An attacker can overwrite any file on the server hosting MLflow without any authentication.","severity":{"version":"3.0","score":10,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.47874,"percentile":0.98864,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-78"],"published":"2023-11-16T16:05:14Z","modified":"2026-07-13T16:15:28Z","exploits":[{"source":"nuclei","id":"CVE-2023-6018","title":"Mlflow - Arbitrary File Write","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-6018.yaml"}],"fixes":[{"ecosystem":"PyPI","package":"mlflow","fixed_in":["2.9.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"mlflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.8.1"},{"fixed":"2.9.2"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"mlflow"},{"source":"osv","ecosystem":"PyPI","package":"mlflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.2"}]}],"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","2.8.0","2.8.1","2.9.0","2.9.1"]},{"source":"osv","ecosystem":"PyPI","package":"mlflow","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.2"}]}],"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","2.8.0","2.8.1","2.9.0","2.9.1"]}],"products":[{"vendor":"lfprojects","product":"mlflow"},{"vendor":"mlflow","product":"mlflow/mlflow"}],"references":[{"url":"https://huntr.com/bounties/7cf918b5-43f4-48c0-a371-4d963ce69b30","tags":["x_transferred","Exploit","Technical Description","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-6018","tags":["advisory"]},{"url":"https://github.com/mlflow/mlflow/commit/55c72d02380e8db8118595a4fdae7879cb7ac5bd","tags":["web"]},{"url":"https://github.com/advisories/GHSA-5p3h-7fwh-92rc","tags":["advisory"]},{"url":"https://github.com/mlflow/mlflow","tags":["package"]},{"url":"https://pypi.org/project/mlflow","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-6018","title":"MLflow Arbitrary File Write","description":"An attacker can overwrite any file on the server hosting MLflow without any authentication.","status":"published","published":"2023-11-16T16:05:14.579Z","modified":"2024-08-02T08:21:17.069Z","cvss":[{"version":"3.0","score":10,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:35:25.095989Z"}],"euvd":[{"id":"EUVD-2023-2888","description":"An attacker can overwrite any file on the server hosting MLflow without any authentication.","status":"published","published":"2023-11-16T16:05:14Z","modified":"2024-08-02T08:21:17Z","cvss":[{"version":"3.0","score":10,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T03:50:11.066935Z"}],"ghsa":[{"id":"GHSA-5p3h-7fwh-92rc","title":"Remote Code Execution due to Full Controled File Write in mlflow","description":"The mlflow web server includes tools for tracking experiments, packaging code into reproducible runs, and sharing and deploying models. As this vulnerability allows to write / overwrite any file on the file system, it gives a lot of ways to archive code execution (like overwriting `/home/\u003cuser\u003e/.bashrc`). A malicious user could use this issue to get command execution on the vulnerable machine and get access to data \u0026 models information.","status":"published","published":"2023-11-16T18:30:31Z","modified":"2024-08-08T20:05:59Z","cvss":[{"version":"3.0","score":10,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:37:58.427757Z"}],"nvd":[{"id":"CVE-2023-6018","description":"An attacker can overwrite any file on the server hosting MLflow without any authentication.","status":"published","published":"2023-11-16T16:15:34.88Z","modified":"2026-06-17T06:49:51.713Z","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":10,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:08:47.966245Z"}],"osv":[{"id":"GHSA-5p3h-7fwh-92rc","title":"Remote Code Execution due to Full Controled File Write in mlflow","description":"The mlflow web server includes tools for tracking experiments, packaging code into reproducible runs, and sharing and deploying models. As this vulnerability allows to write / overwrite any file on the file system, it gives a lot of ways to archive code execution (like overwriting `/home/\u003cuser\u003e/.bashrc`). A malicious user could use this issue to get command execution on the vulnerable machine and get access to data \u0026 models information.","status":"published","published":"2023-11-16T18:30:31Z","modified":"2026-06-29T12:26:10.661493357Z","cvss":[{"version":"3.0","score":10,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T15:46:38.553953Z"},{"id":"PYSEC-2026-417","title":"Remote Code Execution due to Full Controled File Write in mlflow","description":"The mlflow web server includes tools for tracking experiments, packaging code into reproducible runs, and sharing and deploying models. As this vulnerability allows to write / overwrite any file on the file system, it gives a lot of ways to archive code execution (like overwriting `/home/\u003cuser\u003e/.bashrc`). A malicious user could use this issue to get command execution on the vulnerable machine and get access to data \u0026 models information.","status":"published","published":"2026-06-29T11:50:43.022632Z","modified":"2026-07-13T16:15:28.292283465Z","cvss":[{"version":"3.0","score":10,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:52:57.671918Z"},{"id":"BIT-mlflow-2023-6018","description":"An attacker can overwrite any file on the server hosting MLflow without any authentication.","status":"published","published":"2024-03-06T10:57:47.076Z","modified":"2026-06-29T12:26:10.661493357Z","updated_at":"2026-11-02T15:28:33.072289Z"}]}}