{
    "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"
                }
            }
        ]
    }
}