Path Traversal in Huggingface Huggingface/transformers
CVE-2026-9856
A vulnerability in huggingface/transformers versions <=5.8.0.dev0 allows an attacker to perform arbitrary file writes via path traversal. The issue resides in the `save_pretrained()` methods of `PreTrainedTokenizerBase` and `ProcessorMixin…
Vulnerability class: Path Traversal (Directory Traversal)
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L.
Affected products
- Huggingface Huggingface/transformers — versions unspecified
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-9856?
- CVE-2026-9856 is a high-severity vulnerability in Huggingface Huggingface/transformers, classified under Path Traversal. CVSS score: 7.1/10. Published 2026-08-02.
- How severe is CVE-2026-9856?
- High severity. CVSS v3 base score is 7.1 out of 10.