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Critical 10.0Published Mar 27, 2026

CVE-2026-4963A weakness has been identified in huggingface smolagents 1.25.0.dev0.

Updated under an hour ago ()

Does this affect you?

It affects huggingface smolagents. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
10.0 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness (CWE)
CWE-74, CWE-94
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Not given
NVD analysis
Analyzed
Record last updated
Jun 17, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
huggingface smolagents
huggingface:smolagents
1.25.0
NVD

References

  • exploit, third-party-advisory
  • exploit, third-party-advisory
  • permissions-required, vdb-entry
  • third-party-advisory, vdb-entry
  • exploit, third-party-advisory, vdb-entry
  • exploit, third-party-advisory, vdb-entry
  • exploit, third-party-advisory, vdb-entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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