{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-43855","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2025-04-17T20:07:08.555Z","datePublished":"2025-04-24T13:58:30.536Z","dateUpdated":"2025-05-14T20:07:29.865Z"},"containers":{"cna":{"title":"tRPC 11 WebSocket DoS Vulnerability","problemTypes":[{"descriptions":[{"cweId":"CWE-248","lang":"en","description":"CWE-248: Uncaught Exception","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.7,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"}}],"references":[{"name":"https://github.com/trpc/trpc/security/advisories/GHSA-pj3v-9cm8-gvj8","tags":["x_refsource_CONFIRM"],"url":"https://github.com/trpc/trpc/security/advisories/GHSA-pj3v-9cm8-gvj8"},{"name":"https://github.com/trpc/trpc/commit/9beb26c636d44852e0f407f3d7a82ad54df65b4d","tags":["x_refsource_MISC"],"url":"https://github.com/trpc/trpc/commit/9beb26c636d44852e0f407f3d7a82ad54df65b4d"}],"affected":[{"vendor":"trpc","product":"trpc","versions":[{"version":">= 11.0.0, < 11.1.1","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2025-05-14T20:07:29.865Z"},"descriptions":[{"lang":"en","value":"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":{"advisory":"GHSA-pj3v-9cm8-gvj8","discovery":"UNKNOWN"},"credits":[{"lang":"en","value":"Luke Childs <mail@lu.ke>"}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-04-24T14:14:25.436065Z","id":"CVE-2025-43855","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-04-24T14:17:26.881Z"}}]}}