Hugging Face Smolagents has an Injection issue

A weakness has been identified in huggingface smolagents 1.25.0.dev0. This affects the function evaluateaugassign/evaluatecall/evaluatewith of the file src/smolagents/localpythonexecutor.py of the component Incomplete Fix CVE-2025-9959. This manipulation causes code injection. It is possible to...

CVE-2026-4963

A weakness has been identified in huggingface smolagents 1.25.0.dev0. This affects the function evaluateaugassign/evaluatecall/evaluatewith of the file src/smolagents/localpythonexecutor.py of the component Incomplete Fix CVE-2025-9959. This manipulation causes code injection. It is possible to...

CVE-2026-4963

A weakness has been identified in huggingface smolagents 1.25.0.dev0. This affects the function evaluateaugassign/evaluatecall/evaluatewith of the file src/smolagents/localpythonexecutor.py of the component Incomplete Fix CVE-2025-9959. This manipulation causes code injection. It is possible to...

agentengine (>=0.1.5 <=0.1.8), deepmost (=0.5.2) +11 more potentially affected by CVE-2025-9959 via smolagents (>=1.12.0 <=1.19.0)

smolagents PYPI version =1.12.0, =0.1.5, =0.1.0, =0.1.1, =0.1.1, =0.1.0, =0.16.0, =0.0.1.dev0, =0.0.1, =0.3.0, =0.3.7 Source cves: CVE-2025-9959 Source advisory: SNYK:PYTHON-SMOLAGENTS-12549208...

CVE-2025-9959 Sandbox escape in smolagents Local Python execution environment via dunder attributes

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...