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    CVE-2025-9959

    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.

    Published:Sep 3, 2025
    Last Modified:Apr 15, 2026
    EPS:Sep 3, 2025
    EPSS Score:0.00053
    CVSS Score:7.6

    Affected Products

    Vendor
    Huggingface
    Product
    Smolagents

    Exploits

    No exploit reference

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High