CVE-2025-43855

Published April 24th, 2025

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CVSS v3

N/A

CVSS v2

N/A

Affected

PROJECT

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.

trpc/trpc

🧙‍♀️ Move Fast and Break Nothing. End-to-end typesafe APIs made easy.

GitHub

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