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Vulnerability record · CVE-2025-5120 · published 27 July 2025

CVE-2025-5120: Huggingface smolagents code injection vulnerability

Huggingface · Smolagents

A sandbox escape vulnerability was identified in huggingface/smolagents version 1.14.0, allowing attackers to bypass the restricted execution environment and achieve remote code execution (RCE). The vulnerability stems from the local_python_executor.py module, which inadequately restricts Python code execution despite employing static and dynamic checks. Attackers can exploit whitelisted modules and functions to execute arbitrary code, compromising the host system. This flaw undermines the core security boundary intended to isolate untrusted code, posing risks such as unauthorized code execution, data leakage, and potential integration-level compromise. The issue is resolved in version 1.17.0.

10.0 CVSS 3.1 Critical EPSS 25% · top 2.2% CWE-94 · Code injection
10.0CVSS 3.1 base score
25%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

A sandbox escape vulnerability was identified in huggingface/smolagents version 1.14.0, allowing attackers to bypass the restricted execution environment and achieve remote code execution (RCE). The vulnerability stems from the local_python_executor.py module, which inadequately restricts Python code execution despite employing static and dynamic checks. Attackers can exploit whitelisted modules and functions to execute arbitrary code, compromising the host system. This flaw undermines the core security boundary intended to isolate untrusted code, posing risks such as unauthorized code execution, data leakage, and potential integration-level compromise. The issue is resolved in version 1.17.0.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/huggingface/smolagents/commit/33a942e62b6fbf6a35d41f1c735bda2d64c163d0 Patch
https://huntr.com/bounties/63ab1cfe-b573-4cf5-a7d3-fb6c957e34b0 ExploitThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2025-5120), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.