{"id":"CVE-2025-15031","aliases":["BIT-mlflow-2025-15031","GHSA-fhff-qmm8-h2fp","PYSEC-2026-2656"],"url":"https://o3.security/vulnerability/CVE-2025-15031","summary":"Path Traversal Vulnerability in mlflow/mlflow","details":"A vulnerability in MLflow's pyfunc extraction process allows for arbitrary file writes due to improper handling of tar archive entries. Specifically, the use of `tarfile.extractall` without path validation enables crafted tar.gz files containing `..` or absolute paths to escape the intended extraction directory. This issue affects the latest version of MLflow and poses a high/critical risk in scenarios involving multi-tenant environments or ingestion of untrusted artifacts, as it can lead to arbitrary file overwrites and potential remote code execution.","published":"2026-03-18T22:06:47.300Z","modified":"2026-10-28T02:31:06.720174620Z","cvss":{"score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"},"epss":{"score":0.00852,"percentile":0.56127,"asOf":"2026-09-11"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"mlflow","fixedVersion":"3.9.0rc0"}],"fix":{"url":"https://github.com/mlflow/mlflow/commit/3bf6d81ac4d38654c8ff012dbd0c3e9f17e7e346","label":"mlflow/mlflow@3bf6d81"},"references":[{"type":"WEB","url":"https://huntr.com/bounties/09856f77-f968-446f-a930-657d126efe4e"},{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-15031.json"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2025-15031"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/15xxx/CVE-2025-15031.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-15031"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2448912"},{"type":"WEB","url":"https://github.com/mlflow/mlflow/commit/3bf6d81ac4d38654c8ff012dbd0c3e9f17e7e346"},{"type":"PACKAGE","url":"https://github.com/mlflow/mlflow"},{"type":"WEB","url":"https://github.com/mlflow/mlflow/blob/fe4d9be330426904283401f1d2ed914238b6fc37/mlflow/pyfunc/dbconnect_artifact_cache.py#L140"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-28T02:31:06.720174620Z"}}