Hugging Face Transformers up to 5.15.0 path traversal

Summaryinfo

A vulnerability described as problematic has been identified in Hugging Face Transformers up to 5.15.0. Affected by this vulnerability is an unknown functionality. Such manipulation leads to path traversal. This vulnerability is traded as CVE-2026-75104. An attack has to be approached locally. There is no exploit available.

Detailsinfo

A vulnerability was found in Hugging Face Transformers up to 5.15.0 and classified as problematic. Affected by this issue is an unknown code block. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality. CVE summarizes:

Hugging Face Transformers fails to validate shard filenames in checkpoint index files, allowing attackers to read arbitrary files outside the model directory. Attackers can supply malicious index files with parent-directory references or absolute paths that are joined without validation, enabling file disclosure and filesystem reconnaissance.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-75104 since 08/17/2026. The exploitation is known to be easy. The attack needs to be approached locally. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1006.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Hugging Face

Name

• Transformers

Version

• 5.0
• 5.1
• 5.2
• 5.3
• 5.4
• 5.5
• 5.6
• 5.7
• 5.8
• 5.9
• 5.10
• 5.11
• 5.12
• 5.13
• 5.14
• 5.15.0

CPE 2.3info

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CPE 2.2info

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