CVE-2026-66007 | Datasets through 5.0.0, fixed in commit f989ef9, contains a … | CVSS 6.5 MEDIUM

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.

Metadata

CVE ID: CVE-2026-66007
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-07-23 19:22 UTC
Published: 2026-07-24 14:58 UTC
Last updated: 2026-07-24 15:37 UTC
Primary CWE: CWE-22
Improper Limitation of a Pathname to a Restricted Directory …
Vendor / Product: huggingface / datasets
Sources: cve.org · NVD

Severity & Metrics

6.5 MEDIUM CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
huggingface	datasets	—	0 ≤ 5.0.0, f989ef9b4cc6c0039a7a82458eebca49e2b58b4b

Weakness (CWE)

CWE	Source	Description
CWE-22	cna	Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVSS scores (2)

Score	Severity	Version	Source	Vector
6.9	MEDIUM	4.0	cna	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
6.5	MEDIUM	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References (4)

Researcher Disclosure https://github.com/huggingface/datasets/issues/8324
Pull Request https://github.com/huggingface/datasets/pull/8325
Patch Commit https://github.com/huggingface/datasets/commit/f989ef9b4cc6c0039a7a82458eebca49e2b58b4b
https://www.vulncheck.com/advisories/datasets-path-traversal-via-unsanitized-file-name-metadata