{"id":"CVE-2025-10279","aliases":["BIT-mlflow-2025-10279","GHSA-4x5p-f36r-mxxr","PYSEC-2026-1639"],"url":"https://o3.security/vulnerability/CVE-2025-10279","summary":"Privilege Escalation in mlflow/mlflow","details":"In mlflow version 2.20.3, the temporary directory used for creating Python virtual environments is assigned insecure world-writable permissions (0o777). This vulnerability allows an attacker with write access to the `/tmp` directory to exploit a race condition and overwrite `.py` files in the virtual environment, leading to arbitrary code execution. The issue is resolved in version 3.4.0.","published":"2026-02-02T10:36:22.810Z","modified":"2026-08-12T03:51:27.494871423Z","cvss":{"score":7,"severity":"HIGH","vector":"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"mlflow","fixedVersion":"3.4.0rc0"}],"fix":{"url":"https://github.com/mlflow/mlflow/commit/1d7c8d4cf0a67d407499a8a4ffac387ea4f8194a","label":"mlflow/mlflow@1d7c8d4"},"references":[{"type":"WEB","url":"https://huntr.com/bounties/01d3b81e-13d1-43aa-b91a-443aec68bdc8"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/10xxx/CVE-2025-10279.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-10279"},{"type":"FIX","url":"https://github.com/mlflow/mlflow/commit/1d7c8d4cf0a67d407499a8a4ffac387ea4f8194a"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:27.494871423Z"}}