{"id":"CVE-2026-35167","aliases":["GHSA-6326-w46w-ppjw","PYSEC-2026-71"],"url":"https://o3.security/vulnerability/CVE-2026-35167","summary":"Kedro has a path traversal in versioned dataset loading via unsanitized version string","details":"### Impact\nThe `_get_versioned_path()` method in kedro/io/core.py constructs filesystem paths by directly interpolating user-supplied version strings without sanitization. Because version strings are used as path components, traversal sequences such as ../ are preserved and can escape the intended versioned dataset directory.\nThis is reachable through multiple entry points: `catalog.load(..., version=...)`, `DataCatalog.from_config(..., load_versions=...)`, and the CLI via `kedro run --load-versions=dataset:../../../secrets`. An attacker who can influence the version string can force Kedro to load files from outside the intended version directory, enabling unauthorized file reads, data poisoning, or cross-tenant data access in shared environments.\n\n### Patches\nYes. Fixed in kedro version 1.3.0. Users should upgrade to kedro >= 1.3.0.\n\n### Workarounds\nValidate version strings before passing them to DataCatalog or the CLI, ensuring they do not contain `..` segments, path separators, or absolute paths.","published":"2026-04-06T17:43:21.922Z","modified":"2026-09-05T03:30:50.555798933Z","cvss":{"score":7.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"PyPI","name":"kedro","fixedVersion":"1.3.0"}],"fix":{"url":"https://github.com/kedro-org/kedro/pull/5442","label":"kedro-org/kedro#5442"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35167.json"},{"type":"ADVISORY","url":"https://github.com/kedro-org/kedro/security/advisories/GHSA-6326-w46w-ppjw"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-35167"},{"type":"FIX","url":"https://github.com/kedro-org/kedro/pull/5442"},{"type":"PACKAGE","url":"https://github.com/kedro-org/kedro"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/kedro/PYSEC-2026-71.yaml"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-05T03:30:50.555798933Z"}}