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 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.

• CWE-74
• CWE-94

• https://gist.github.com/YLChen-007/35b7d46e892266a0ed6dbe57802858beExploit, Third Party Advisory
• https://gist.github.com/YLChen-007/7146f45960f79bc1e2976fed526e0a9bExploit, Third Party Advisory
• https://vuldb.com/?ctiid.353840Permissions Required, VDB Entry
• https://vuldb.com/?id.353840Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.777623Exploit, Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.777643Exploit, Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.777644Exploit, Third Party Advisory, VDB Entry

Published

Mar 27, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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