CVE-2025-9959EPSS p21.9%

CVE-2025-9959CVE-2025-9959

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.

Scoring

CVSS 7.6 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L
EPSS0.31% probability of exploitation · percentile 21.9% · 2026-10-05T12:00:23Z
Last modified2026-09-26
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.