LLMHigh
CVE-2025-9959: Incomplete validation of dunder attributes allows an attacker to escape from the Local Python execut…
- Occurred
- Sep 3, 2025
- Published
- Sep 3, 2025
- Source
- NVD CVE
Summary
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.
Tags
- CVE
- CVE-2025-9959
- cvss:HIGH
Classification
Category confidence: 90%
Severity confidence: 85%
Rationale: Prompt injection vulnerability in smolagents allows sandbox escape, enabling malicious code execution.
Classifier: Qwen/Qwen3.5-35B-A3B-FP8