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Advisory record · GHSA-54fq-v6x8-244g

Hugging Face Smolagents has an Injection issue

CVSS 5.3 MediumEPSS 0.0060 · 49th percentile

Published by the GitHub Advisory Database at 27 Mar 2026, 18:31 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
smolagentsPyPI<=1.25.0.dev0No fixed version yet
Identifiers
GHSA-54fq-v6x8-244g · CVE-2026-4963 · PYSEC-2026-3066
Weakness (CWE)
CWE-74 · CWE-94
Tags
Published
27 Mar 2026
Updated
13 Jul 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

The smolagents package, versions up to and including 1.25.0.dev0, is vulnerable to code injection through its local Python executor. A remote attacker can trigger the flaw, and a public exploit is reported to exist. No fixed version is listed, and the source gives few details beyond the affected functions and an incomplete fix for CVE-2025-9959.

Written 6 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.3 Medium 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 CNA (VulDB)
  • CISA KEV Not listed.
  • EPSS 0.0060, the 49th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 15:01 UTC First seen by agentprime
  2. 31 Oct 2026, 15:01 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.