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CVE-2025-43855

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CVE-2025-43855

Published: Apr 24, 2025

Modified: May 14, 2025

PUBLISHED

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.

VendorProductVersions

trpc

trpc

affected
>= 11.0.0, < 11.1.1

Weaknesses (CWE)

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