Medium severity6.5NVD Advisory· Published Jul 24, 2026· Updated Aug 17, 2026
CVE-2026-66007
CVE-2026-66007
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
datasetsPyPI | < 5.0.1 | 5.0.1 |
Affected products
2cpe:2.3:a:huggingface:datasets:*:*:*:*:*:python:*:*+ 1 more
- cpe:2.3:a:huggingface:datasets:*:*:*:*:*:python:*:*range: <=5.0.0
- (no CPE)range: <=5.0.0
Patches
Vulnerability mechanics
References
7- github.com/huggingface/datasets/commit/f989ef9b4cc6c0039a7a82458eebca49e2b58b4bnvdPatchWEB
- github.com/huggingface/datasets/pull/8325nvdIssue TrackingPatchWEB
- github.com/huggingface/datasets/issues/8324nvdExploitIssue TrackingVendor AdvisoryWEB
- www.vulncheck.com/advisories/datasets-path-traversal-via-unsanitized-file-name-metadatanvdExploitPatchThird Party AdvisoryWEB
- github.com/advisories/GHSA-379c-qx7v-6h59ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-66007ghsaADVISORY
- github.com/pypa/advisory-database/tree/main/vulns/datasets/PYSEC-2026-3716.yamlghsaWEB
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