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CVE-2025-66448— vLLM vulnerable to remote code execution via transformers_utils/get_config

Quick assessment

Affected
vllm-project vllm
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

vLLM是vLLM开源的一个适用于 LLM 的高吞吐量和内存高效推理和服务引擎。 vLLM 0.11.1之前版本存在代码注入漏洞，该漏洞源于Nemotron_Nano_VL_Config配置类存在远程代码执行向量，可能导致远程代码执行。

CVSS 7.1 · High EPSS 0.66% · P50

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2025-66448

Vulnerability Information
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Vulnerability Title
vLLM vulnerable to remote code execution via transformers_utils/get_config
Source: CVE Program / CVE List V5
Vulnerability Description
vLLM is an inference and serving engine for large language models (LLMs). Prior to 0.11.1, vllm has a critical remote code execution vector in a config class named Nemotron_Nano_VL_Config. When vllm loads a model config that contains an auto_map entry, the config class resolves that mapping with get_class_from_dynamic_module(...) and immediately instantiates the returned class. This fetches and executes Python from the remote repository referenced in the auto_map string. Crucially, this happens even when the caller explicitly sets trust_remote_code=False in vllm.transformers_utils.config.get_config. In practice, an attacker can publish a benign-looking frontend repo whose config.json points via auto_map to a separate malicious backend repo; loading the frontend will silently run the backend’s code on the victim host. This vulnerability is fixed in 0.11.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
vLLM 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
vLLM是vLLM开源的一个适用于 LLM 的高吞吐量和内存高效推理和服务引擎。 vLLM 0.11.1之前版本存在代码注入漏洞，该漏洞源于Nemotron_Nano_VL_Config配置类存在远程代码执行向量，可能导致远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
vllm-project vllm < 0.11.1 -

II. Public POCs for CVE-2025-66448

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 7147 chars
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III. Intelligence Information for CVE-2025-66448

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IV. Related Vulnerabilities

Same product: vllm
Same vendor: vllm-project
Same weakness: CWE-94

V. Comments for CVE-2025-66448

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