CVE-2023-6730 Deserialization of Untrusted Data in huggingface/transformers

What is CVE-2023-6730?

CVE-2023-6730 is a critical unsafe deserialization vulnerability in huggingface/transformers, published on 19 Dec 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Deserialization of Untrusted Data in GitHub repository huggingface/transformers prior to 4.36.

Weakness: CWE-502

Which versions are affected by CVE-2023-6730?

3 open source packages ship an affected version, including transformers. It affects 1 product.

Products include Huggingface Transformers.

How do I fix CVE-2023-6730?

Upgrade transformers to 4.36.0 or later.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2023-6730 being exploited?

There is no known exploitation of CVE-2023-6730 in the wild and no public exploit code.

Other vulnerabilities in huggingface/transformers

• CVE-2023-7018 Deserialization of Untrusted Data in huggingface/transformers Critical 9.6
• CVE-2024-11393 Hugging Face Transformers MaskFormer Model Deserialization of Untrusted Data Remote Code Execution Vulnerability High 8.8
• CVE-2024-11394 Hugging Face Transformers Trax Model Deserialization of Untrusted Data Remote Code Execution Vulnerability High 8.8
• CVE-2026-5241 Policy Bypass in LightGlue Nested Config Resolution in huggingface/transformers High 8.0
• CVE-2026-4372 Arbitrary Remote Code Execution via `_attn_implementation_internal` Config Injection in huggingface/transformers High 7.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-3863-2447-669p, PYSEC-2023-300.