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Path traversal in Hugging Face Datasets up to 5.0.0 allows attackers to read arbitrary local files when a victim processes a crafted dataset. A publicly available exploit exists (CVE-2026-66007), though EPSS exploitation probability is low at 0.52% and user interaction is required. Patched in commit f989ef9.
Symlink following in HuggingFace Datasets through version 5.00 allows local low-privileged attackers to redirect archive extraction to arbitrary filesystem locations by pre-planting symlinks at predictable output paths in the shared cache directory. When a higher-privileged user or automated service subsequently triggers Extractor.extract(), the library writes archive contents through the attacker-controlled symlink, enabling overwrite of sensitive system files and potential privilege escalation or code execution. A publicly available exploit exists and an upstream fix is available via commit ad2d853, though no confirmed tagged release version has been independently verified.
Path traversal in Hugging Face Datasets up to 5.0.0 allows attackers to read arbitrary local files when a victim processes a crafted dataset. A publicly available exploit exists (CVE-2026-66007), though EPSS exploitation probability is low at 0.52% and user interaction is required. Patched in commit f989ef9.
Symlink following in HuggingFace Datasets through version 5.00 allows local low-privileged attackers to redirect archive extraction to arbitrary filesystem locations by pre-planting symlinks at predictable output paths in the shared cache directory. When a higher-privileged user or automated service subsequently triggers Extractor.extract(), the library writes archive contents through the attacker-controlled symlink, enabling overwrite of sensitive system files and potential privilege escalation or code execution. A publicly available exploit exists and an upstream fix is available via commit ad2d853, though no confirmed tagged release version has been independently verified.