Description

Incomplete validation of dunder attributes allows an attacker to escape from the Local Python execution environment sandbox, enforced by smolagents. The attack requires a Prompt Injection in order to trick the agent to create malicious code.

INFO

Published Date :

2025-09-03T16:53:46.304Z

Last Modified :

2025-09-03T18:48:11.974Z

Source :

JFROG
AFFECTED PRODUCTS

The following products are affected by CVE-2025-9959 vulnerability.

Vendors Products
Huggingface
  • Smolagents
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-9959.

URL Resource
https://github.com/huggingface/smolagents/pull/1551 cve-icon cve-icon
https://research.jfrog.com/vulnerabilities/smolagents-local-python-sandbox-escape-jfsa-2025-001434277/ cve-icon cve-icon
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