PT-2026-28689 · Hugging Face · Smolagents

Eric-Z + 1 · Published 2026-03-27 · Updated 2026-03-27 · CVE-2026-4963

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions huggingface smolagents version 1.25.0.dev0

Description A code injection flaw allows remote attackers to execute arbitrary code. The issue resides in the evaluate augassign(), evaluate call(), and evaluate with() functions within the src/smolagents/local python executor.py file.

Recommendations As a temporary workaround, consider restricting the use of the evaluate augassign(), evaluate call(), and evaluate with() functions in the src/smolagents/local python executor.py file until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Code Injection

Special Elements Injection

Weakness Enumeration

CWE-94

CWE-74

Related Identifiers

CVE-2026-4963

GHSA-54FQ-V6X8-244G

Affected Products

Smolagents

References · 10

• 🔥 https://gist.github.com/YLChen-007/7146f45960f79bc1e2976fed526e0a9b · Exploit
• 🔥 https://vuldb.com/?submit.777623 · Exploit
• 🔥 https://gist.github.com/YLChen-007/35b7d46e892266a0ed6dbe57802858be · Exploit
• 🔥 https://vuldb.com/?submit.777644 · Exploit
• 🔥 https://vuldb.com/?submit.777643 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-4963 · Security Note
• https://osv.dev/vulnerability/GHSA-54fq-v6x8-244g · Vendor Advisory
• https://github.com/huggingface/smolagents · Note
• https://vuldb.com/?id.353840 · Note
• https://vuldb.com/?ctiid.353840 · Note