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

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). 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
    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

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