CVE-2026-4963

Medium

Description

A weakness has been identified in huggingface smolagents 1.25.0.dev0. This affects the function evaluate_augassign/evaluate_call/evaluate_with of the file src/smolagents/local_python_executor.py of the component Incomplete Fix CVE-2025-9959. This manipulation causes code injection. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

SeverityMedium
CVSS6.3
Exploit probability48. percentile0.6%
ProductHuggingface Smolagents
PublishedMar 27, 2026
First seenMar 27, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
huggingface smolagents1.25.0—
smolagentsPyPIv ≤ 1.25.0.dev0—

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