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CVE-2026-75104

5.5 · MEDIUM

Hugging Face Transformers fails to validate shard filenames in checkpoint index files, allowing attackers to read arbitrary files outside the model directory.

Published Aug 17, 2026CWE-22EPSS 0.29%

Overview

CVE-2026-75104 is a medium-severity vulnerability. It was published on August 17, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/huggingface/transformersGitHubgithub.com/huggingface/transformers/blob/main/src/transformers/utils/hub.pyGitHubgithub.com/huggingface/transformers/issues/47176GitHubgithub.com/huggingface/transformers/issues/47177Refwww.vulncheck.com/advisories/hugging-face-transformers-path-traversal-via-checkpoint-indexGitHubgithub.com/huggingface/transformers/issues/47176

How CyberStrike helps

Frequently asked questions

What is CVE-2026-75104?

CVE-2026-75104 is a medium-severity vulnerability. It was published on August 17, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-75104?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-75104?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-75104?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-75104 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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