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I. Basic Information for CVE-2025-43855
Vulnerability Information

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Vulnerability Title
tRPC 11 WebSocket DoS Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
tRPC allows users to build & consume fully typesafe APIs without schemas or code generation. In versions starting from 11.0.0 to before 11.1.1, an unhandled error is thrown when validating invalid connectionParams which crashes a tRPC WebSocket server. This allows any unauthenticated user to crash a tRPC 11 WebSocket server. Any tRPC 11 server with WebSocket enabled with a createContext method set is vulnerable. This issue has been patched in version 11.1.1.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
未捕获的异常
Source: NVD (National Vulnerability Database)
Vulnerability Title
tRPC 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
tRPC是tRPC社区的一个用于构建类型安全的API的TypeScript框架。 tRPC 11.0.0版本存在安全漏洞,该漏洞源于未处理错误,可能导致WebSocket服务器崩溃。
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
VendorProductAffected VersionsCPESubscribe
trpctrpc >= 11.0.0, < 11.1.1 -
II. Public POCs for CVE-2025-43855
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III. Intelligence Information for CVE-2025-43855
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IV. Related Vulnerabilities
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