CVE-2026-42271— LiteLLM MCP stdio测试端点命令执行漏洞
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一、 漏洞 CVE-2026-42271 基础信息
漏洞信息
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Vulnerability Title
LiteLLM: Authenticated command execution via MCP stdio test endpoints
来源: 美国国家漏洞数据库 NVD
Vulnerability Description
LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format. From version 1.74.2 to before version 1.83.7, two endpoints used to preview an MCP server before saving it — POST /mcp-rest/test/connection and POST /mcp-rest/test/tools/list — accepted a full server configuration in the request body, including the command, args, and env fields used by the stdio transport. When called with a stdio configuration, the endpoints attempted to connect, which spawned the supplied command as a subprocess on the proxy host with the privileges of the proxy process. The endpoints were gated only by a valid proxy API key, with no role check. Any authenticated user — including holders of low-privilege internal-user keys — could therefore run arbitrary commands on the host. This issue has been patched in version 1.83.7.
来源: 美国国家漏洞数据库 NVD
CVSS Information
N/A
来源: 美国国家漏洞数据库 NVD
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
来源: 美国国家漏洞数据库 NVD
受影响产品
二、漏洞 CVE-2026-42271 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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- Release v1.83.7-stable · BerriAI/litellm · GitHubx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2026-42271
同批安全公告 · BerriAI · 2026-05-08 · 共 3 条
| CVE-2026-42203 | LiteLLM 提示测试接口服务端模板注入漏洞 | |
| CVE-2026-42208 | LiteLLM Proxy API密钥验证SQL注入漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-42271
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