ZDI-25-1143: (0Day) Hugging Face smolagents Remote Python Executor Deserialization of Untrusted Data Remote Code Execution Vulnerability
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
Event History
Frequently Asked Questions
What is the severity of ZDI-25-1143?
ZDI-25-1143 has a critical severity level due to its potential for remote code execution without authentication.
How do I fix ZDI-25-1143?
To mitigate ZDI-25-1143, update your Hugging Face smolagents to the latest patched version.
Which software is affected by ZDI-25-1143?
ZDI-25-1143 affects installations of Hugging Face smolagents, specifically those that parse pickle data.
What type of vulnerability is ZDI-25-1143?
ZDI-25-1143 is classified as a remote code execution vulnerability.
Is authentication required to exploit ZDI-25-1143?
No, authentication is not required to exploit the ZDI-25-1143 vulnerability.