← CVE Intelligence

CVE-2025-43855

tRPC 11 WebSocket DoS Vulnerability PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
trpc / trpcaffected >= 11.0.0, < 11.1.1

CWE

CWE-248

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.