# CVE-2025-5120: PYSEC-2026-542 - smolagents has Sandbox Escape Vulnerability in the local_python_executor.py Module

Source: https://junglewise.ai/threats/cve-2025-5120-smolagents-has-sandbox-escape-vulnerability-in-the-local-python  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-06-29  
License: CC BY 4.0 with a link back

CVE-2025-5120 · Severity: low · CVSS 3.1 · Published 2026-06-29

smolagents has Sandbox Escape Vulnerability in the local_python_executor.py Module

Technologies: [smolagents (PyPI)](https://junglewise.ai/threats/technologies/smolagents). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is CVE-2025-5120 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-5120 being exploited in the wild.

**How severe is CVE-2025-5120?** Low severity, with a CVSS score of 3.1, published 29 June 2026.

**Which products and versions are affected?** smolagents (PyPI) ECOSYSTEM:introduced=0,fixed=1.17.0.

**Is there a fix for CVE-2025-5120?** Yes. smolagents (PyPI): upgrade to 1.17.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2025-5120?** Check whether you run smolagents (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- smolagents (PyPI): upgrade to 1.17.0 or later

  ```sh
  pip install "smolagents>=1.17.0"
  ```


## Affected products

- smolagents (PyPI) ECOSYSTEM:introduced=0,fixed=1.17.0

## Identifiers

- CVE-2025-5120
- GHSA-6v92-r5mx-h5fx
- PYSEC-2026-542

## Related threats

- [PYSEC-2026-3067 - Hugging Face Smolagents has a Server-Side Request Forgery issue](https://junglewise.ai/threats/cve-2026-2654-hugging-face-smolagents-has-a-server-side-request-forgery-issue)
- [PYSEC-2026-3066 - Hugging Face Smolagents has an Injection issue](https://junglewise.ai/threats/cve-2026-4963-hugging-face-smolagents-has-an-injection-issue)
- [PYSEC-2026-543 - Hugging Face smolagents: Unsafe deserialization in Remote Python Executor leads to RCE](https://junglewise.ai/threats/cve-2025-14931-hugging-face-smolagents-unsafe-deserialization-in-remote-python)
- [PYSEC-2026-1930 - Hugging Face Smolagents XPath injection vulnerability in the search_item_ctrl_f function](https://junglewise.ai/threats/cve-2025-11844-hugging-face-smolagents-xpath-injection-vulnerability-in-the)