{"id":"CVE-2026-66007","summary":"Datasets Path Traversal via Unsanitized file_name Metadata","details":"Datasets through 5.0.0, fixed in commit f989ef9, contains a path traversal vulnerability in folder-based dataset builders where the file_name metadata field is not properly validated before being joined to the dataset directory. Attackers can supply crafted file_name values with directory traversal sequences to read arbitrary local files, which are then embedded into output when save_to_disk or push_to_hub is called.","modified":"2026-07-27T04:03:23.445669508Z","published":"2026-07-24T14:58:10.035Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-22"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/66xxx/CVE-2026-66007.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/66xxx/CVE-2026-66007.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66007"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/datasets-path-traversal-via-unsanitized-file-name-metadata"},{"type":"REPORT","url":"https://github.com/huggingface/datasets/issues/8324"},{"type":"FIX","url":"https://github.com/huggingface/datasets/commit/f989ef9b4cc6c0039a7a82458eebca49e2b58b4b"},{"type":"FIX","url":"https://github.com/huggingface/datasets/pull/8325"},{"type":"PACKAGE","url":"https://github.com/huggingface/datasets"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/huggingface/datasets","events":[{"introduced":"0"},{"fixed":"68ac1a9b35869aadb7ae29857be46f6489d6150d"},{"fixed":"f989ef9b4cc6c0039a7a82458eebca49e2b58b4b"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"5.0.0"}],"source":["DESCRIPTION","REFERENCES"]}}],"versions":["5.0.0","4.8.5","4.8.4","4.8.3","4.8.2","4.8.1","4.8.0","4.7.0","4.6.1","4.6.0","4.5.0","3.6.0","4.4.2","4.4.1","4.4.0","4.3.0","4.2.0","4.1.1","4.1.0","4.0.0","3.5.1","3.5.0","3.4.1","3.4.0","3.3.2","3.3.1","3.3.0","3.2.0","3.1.0","3.0.2","3.0.1","3.0.0","2.20.0","2.19.0","2.18.0","2.17.1","2.17.0","2.16.1","2.16.0","2.15.0","2.13.1","2.14.1","2.14.0","2.13.0","2.12.0","2.11.0","2.10.0","2.9.0","2.8.0","2.6.1","2.7.0","2.6.0","2.5.1","2.5.0","2.4.0","2.3.2","2.3.1","2.3.0","2.2.2","2.2.1","2.2.0","2.1.0","2.0.0","1.18.3","1.18.2","1.18.1","1.18.0","1.17.0","1.16.1","1.16.0","1.15.1","1.15.0","1.14.0","1.13.3","1.13.2","1.13.1","1.13.0","1.12.1","1.12.0","1.11.0","1.10.2","1.10.1","1.10.0","1.9.0","1.8.0","1.7.0","1.6.2","1.6.1","1.6.0","1.5.0","1.4.1","1.4.0","1.3.0","1.2.1","1.2.0","1.1.3","1.1.2","1.1.1","1.1.0","1.0.2","1.0.1","1.0.0","0.4.0","0.3.0","0.2.1","0.2.0","0.1.0","0.0.3","0.0.2","alpha"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-66007.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"}]}