{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-51846",
        "assignerOrgId": "9119a7d8-5eab-497f-8521-727c672e3725",
        "state": "PUBLISHED",
        "assignerShortName": "cisa-cg",
        "dateReserved": "2025-06-16T03:28:36.966Z",
        "datePublished": "2026-04-30T16:35:59.625Z",
        "dateUpdated": "2026-04-30T17:15:30.109Z"
    },
    "containers": {
        "cna": {
            "descriptions": [
                {
                    "lang": "en",
                    "value": "CryptPad 2025.3.1 allows unbounded WebSocket frame flood. A remote, unauthenticated attacker can significantly degrade or deny service for all users of a CryptPad instance. Fixed in 2026.2.2."
                }
            ],
            "affected": [
                {
                    "vendor": "CryptPad",
                    "product": "CryptPad",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "2025.3.1",
                            "status": "affected",
                            "lessThan": "2026.2.2",
                            "versionType": "custom"
                        },
                        {
                            "version": "2026.2.2",
                            "status": "unaffected"
                        }
                    ]
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "description": "CWE-770 Allocation of Resources Without Limits or Throttling",
                            "lang": "en",
                            "type": "CWE",
                            "cweId": "CWE-770"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "scope": "UNCHANGED",
                        "version": "3.1",
                        "baseScore": 7.5,
                        "attackVector": "NETWORK",
                        "baseSeverity": "HIGH",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
                        "integrityImpact": "NONE",
                        "userInteraction": "NONE",
                        "attackComplexity": "LOW",
                        "availabilityImpact": "HIGH",
                        "privilegesRequired": "NONE",
                        "confidentialityImpact": "NONE"
                    }
                },
                {
                    "cvssV4_0": {
                        "version": "4.0",
                        "baseScore": 8.7,
                        "attackVector": "NETWORK",
                        "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",
                        "userInteraction": "NONE",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "subIntegrityImpact": "NONE",
                        "vulnIntegrityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "vulnAvailabilityImpact": "HIGH",
                        "subConfidentialityImpact": "NONE",
                        "vulnConfidentialityImpact": "NONE"
                    }
                },
                {
                    "other": {
                        "type": "ssvc",
                        "content": {
                            "timestamp": "2026-04-22T15:32:32.020942Z",
                            "id": "CVE-2025-51846",
                            "options": [
                                {
                                    "Exploitation": "none"
                                },
                                {
                                    "Automatable": "yes"
                                },
                                {
                                    "Technical Impact": "partial"
                                }
                            ],
                            "role": "CISA Coordinator",
                            "version": "2.0.3"
                        }
                    }
                }
            ],
            "title": "CryptPad unbounded WebSocket frame flood",
            "references": [
                {
                    "name": "url",
                    "url": "https://github.com/cryptpad/cryptpad/pull/2239/changes/1e0c06ad8a0c5dab795f85f9730ec2693320c62e"
                },
                {
                    "name": "url",
                    "url": "https://www.cve.org/CVERecord?id=CVE-2025-51846"
                },
                {
                    "name": "url",
                    "url": "https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-119-01.json"
                },
                {
                    "name": "url",
                    "url": "https://github.com/JohnPerifanis/cryptpad-cve-2025-51846-advisory/blob/main/README.md"
                }
            ],
            "credits": [
                {
                    "value": "John Perifanis, Unisystems",
                    "lang": "en"
                }
            ],
            "datePublic": "2026-03-25T00:00:00.000Z",
            "providerMetadata": {
                "orgId": "9119a7d8-5eab-497f-8521-727c672e3725",
                "shortName": "cisa-cg",
                "dateUpdated": "2026-04-30T16:35:59.625Z"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-04-30T17:15:22.933048Z",
                                "id": "CVE-2025-51846",
                                "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": "2026-04-30T17:15:30.109Z"
                }
            }
        ]
    }
}