CVE-2025-14924: (0Day) Hugging Face Transformers megatron_gpt2 Deserialization of Untrusted Data Remote Code Execution Vulnerability

Published Dec 23, 2025
·
Updated

Hugging Face Transformers megatrongpt2 Deserialization of Untrusted Data Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Hugging Face Transformers. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the parsing of checkpoints. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-27984.

Affected Software

4 affected components
pypi/transformers
Hugging Face Transformers
huggingface transformers=4.55.0
IBM watsonx.data intelligence<=5.2.0, 5.2.1, 5.3.0, 5.3.1

Event History

Dec 23, 2025
CVE Published
via MITRE·09:04 PM
Data Sourced
via MITRE·09:04 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·09:15 PM
DescriptionSeverityWeaknessAffected Software
Advisory Published
via ZDI·09:16 PM
Data Sourced
via ZDI·09:16 PM
DescriptionSeverityAffected Software
Apr 27, 2026
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2025-14924?

CVE-2025-14924 is classified as a critical severity vulnerability due to its potential for remote code execution.

2

How do I fix CVE-2025-14924?

To fix CVE-2025-14924, users should update Hugging Face Transformers to the latest patched version provided by the vendor.

3

What types of attacks can be carried out using CVE-2025-14924?

CVE-2025-14924 allows attackers to perform remote code execution, enabling them to execute arbitrary code on targeted systems.

4

Does CVE-2025-14924 require user interaction to exploit?

Yes, exploitation of CVE-2025-14924 requires user interaction.

5

Which software products are affected by CVE-2025-14924?

CVE-2025-14924 affects installations of Hugging Face Transformers, specifically versions vulnerable to deserialization of untrusted data.

Contact

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