CVE-2026-4963
MEDIUM6.3EPSS 0.02%Hugging Face Smolagents has an Injection issue
Published: 3/27/2026Modified: 5/6/2026
Also known as:GHSA-54fq-v6x8-244g
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.
Affected packages (1)
- PyPI/smolagentsfrom 0, <= 1.25.0.dev0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | 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 |
| osv | CVSS 3.1 | MEDIUM6.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L |
References (9)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2026-4963
- PATCHhttps://github.com/huggingface/smolagents
- WEBhttps://gist.github.com/YLChen-007/35b7d46e892266a0ed6dbe57802858be
- WEBhttps://gist.github.com/YLChen-007/7146f45960f79bc1e2976fed526e0a9b
- WEBhttps://vuldb.com/?ctiid.353840
- WEBhttps://vuldb.com/?id.353840
- WEBhttps://vuldb.com/?submit.777623
- WEBhttps://vuldb.com/?submit.777643
- WEBhttps://vuldb.com/?submit.777644