CVE-2025-9959

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Source

https://cve.org/CVERecord?id=CVE-2025-9959

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-9959.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2025-9959

Published

2025-09-03T16:53:46.304Z

Modified

2026-07-15T01:49:09.344518650Z

Severity

7.6 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L CVSS Calculator

Summary

Sandbox escape in smolagents Local Python execution environment via dunder attributes

Details

Incomplete validation of dunder attributes allows an attacker to escape from the Local Python execution environment sandbox, enforced by smolagents. The attack requires a Prompt Injection in order to trick the agent to create malicious code.

Database specific

{
    "cwe_ids": [
        "CWE-94"
    ],
    "cna_assigner": "JFROG",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/9xxx/CVE-2025-9959.json"
}

References

Affected packages

Git / github.com/huggingface/smolagents

Affected ranges

Type

GIT

Repo

https://github.com/huggingface/smolagents

Events

Introduced

Fixed

420eaebf2b7ebc1461b5b669f8af1bef1b9bd00e

Database specific

{
    "source": "AFFECTED_FIELD",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.21.0"
        }
    ]
}

Affected versions

v0.*

v0.1.0

v1.*

v1.0.0

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-9959.json"