CVE-2023-6730

Deserialization of Untrusted Data in huggingface/transformers

9.0 CriticalFix available

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

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.92%Up 0.9 points since Dec 20, 2023

What each source reports

CVE List Score used 9.0

Deserialization of Untrusted Data in huggingface/transformers

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

Record: CVE-2023-6730
CVSS 3.0: 9.0 CriticalCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Weakness: CWE-502
Updated: 2026-11-02

EUVDEUVD-2023-0300 9.0

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

Record: EUVD-2023-0300
CVSS 3.0: 9.0 CriticalCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-3863-2447-669p 9.0

transformers has a Deserialization of Untrusted Data vulnerability

Deserialization of Untrusted Data in GitHub repository huggingface/transformers prior to 4.36.0.

Record: GHSA-3863-2447-669p
CVSS 3.0: 9.0 CriticalCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Weakness: CWE-502
Updated: 2026-11-02

NVD 8.8

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

Record: CVE-2023-6730
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 3.0: 9.0 CriticalCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Weakness: CWE-502
Updated: 2026-11-02

OSV 9.0

Deserialization of Untrusted Data in huggingface/transformers

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

Record: CVE-2023-6730
CVSS 3.0: 9.0 CriticalCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Weakness: CWE-502
Updated: 2026-11-02

OSVGHSA-3863-2447-669p 9.0

transformers has a Deserialization of Untrusted Data vulnerability

Deserialization of Untrusted Data in GitHub repository huggingface/transformers prior to 4.36.0.

Record: GHSA-3863-2447-669p
CVSS 3.0: 9.0 CriticalCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Weakness: CWE-502
Updated: 2026-11-02

OSVPYSEC-2023-300 8.8

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

Record: PYSEC-2023-300
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`transformers` PyPI	before 4.36.0	4.36.0
`transformers` PyPI	before 4.36.0, plus listed versions 0.12.0.02.1.02.1.12.10.0 Show 45 moreShow less 2.11.02.2.02.2.12.2.22.3.02.4.02.4.12.5.02.5.12.6.02.7.02.8.02.9.02.9.13.0.03.0.13.0.23.1.03.2.03.3.03.3.13.4.03.5.03.5.14.0.04.0.0rc14.0.14.1.04.1.14.10.04.10.14.10.24.10.34.11.04.11.14.11.24.11.34.12.04.12.14.12.24.12.34.12.44.12.54.13.04.14.0	4.36.0
`transformers` PyPI	before 4.36.0, plus listed versions 0.12.0.02.1.02.1.12.10.0 Show 45 moreShow less 2.11.02.2.02.2.12.2.22.3.02.4.02.4.12.5.02.5.12.6.02.7.02.8.02.9.02.9.13.0.03.0.13.0.23.1.03.2.03.3.03.3.13.4.03.5.03.5.14.0.04.0.0rc14.0.14.1.04.1.14.10.04.10.14.10.24.10.34.11.04.11.14.11.24.11.34.12.04.12.14.12.24.12.34.12.44.12.54.13.04.14.0	4.36.0

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-6730 is a critical vulnerability (CVSS 9.0) in Huggingface Huggingface/transformers, published December 19, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.92%, the 60th percentile. Fixed in transformers 4.36.0.

References

This page doesn't list everything

Left out here: 210 versions. The JSON record has them.