ZDI-CAN-28312: ZDI-25-1143: (0Day) Hugging Face smolagents Remote Python Executor Deserialization of Untrusted Data Remote Code Execution Vulnerability

Published Dec 18, 2025
·
Updated

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Hugging Face smolagents. Authentication is not required to exploit this vulnerability. The specific flaw exists within the parsing of pickle data. 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 service account.

Other sources

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Hugging Face smolagents. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 10.0. The following CVEs are assigned: CVE-2025-14931.

ZDI

Affected Software

2 affected components
pypi/huggingface-smolagents
Hugging Face smolagents

Event History

Dec 18, 2025
Advisory Published
via ZDI·06:00 AM
Data Sourced
via ZDI·06:00 AM
Description
Dec 23, 2025
Advisory Published
via ZDI·09:16 PM
Data Sourced
via ZDI·09:16 PM
SeverityAffected Software
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Frequently Asked Questions

1

What is the severity of ZDI-CAN-28312?

The severity of ZDI-CAN-28312 is critical due to the potential for remote code execution without authentication.

2

How do I fix ZDI-CAN-28312?

To fix ZDI-CAN-28312, upgrade to the latest version of Hugging Face smolagents that addresses this vulnerability.

3

Who is affected by ZDI-CAN-28312?

Any user or organization running vulnerable installations of Hugging Face smolagents is affected by ZDI-CAN-28312.

4

Can ZDI-CAN-28312 be exploited remotely?

Yes, ZDI-CAN-28312 can be exploited remotely, allowing attackers to execute arbitrary code without authentication.

5

What type of vulnerability is ZDI-CAN-28312?

ZDI-CAN-28312 is a code execution vulnerability resulting from improper handling of pickle data.

Contact

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