{"id":"CVE-2025-8406","aliases":["GHSA-q92x-2x5g-h365","PYSEC-2026-2071"],"url":"https://o3.security/vulnerability/CVE-2025-8406","summary":"Path Traversal in zenml-io/zenml","details":"ZenML version 0.83.1 is affected by a path traversal vulnerability in the `PathMaterializer` class. The `load` function uses `is_path_within_directory` to validate files during `data.tar.gz` extraction, which fails to effectively detect symbolic and hard links. This vulnerability can lead to arbitrary file writes, potentially resulting in arbitrary command execution if critical files are overwritten.","published":"2025-10-05T09:00:36.838Z","modified":"2026-08-07T11:50:26.062236390Z","cvss":{"score":6.3,"severity":"MEDIUM","vector":"CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"zenml","fixedVersion":"0.84.2"}],"fix":{"url":"https://github.com/zenml-io/zenml/commit/5d22a48d7bf6c7f10b748577c2be79cc7969d398","label":"zenml-io/zenml@5d22a48"},"references":[{"type":"WEB","url":"https://huntr.com/bounties/a0880d64-9928-45bf-9663-2cd81582d9e7"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/8xxx/CVE-2025-8406.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-8406"},{"type":"FIX","url":"https://github.com/zenml-io/zenml/commit/5d22a48d7bf6c7f10b748577c2be79cc7969d398"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:50:26.062236390Z"}}