CVE-2026-4963

published 2026-03-27

CVE-2026-4963: 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…

Priority P2 63 critical 10 CVSS 3.1

AV N AC L PR N UI N S C C H I H A H

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.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
huggingface	smolagents	—	—
huggingface	smolagents	0 – 1.25.0.dev0	—

CVSS provenance

nvd v3.1 10.0 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

nvd v4.0 2.1 LOW CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

nvd v2.0 7.5 HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P

ghsa 7.6 HIGH

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CWE-74