{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-116071",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-10-25T01:57:13.048Z",
        "datePublished": "2026-10-25T11:50:59.252Z",
        "dateUpdated": "2026-10-25T11:50:59.252Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
                "shortName": "VulnCheck",
                "dateUpdated": "2026-10-25T11:50:59.252Z"
            },
            "datePublic": "2026-10-19T00:00:00.000Z",
            "title": "rotki before 1.44.2 Weak Key Derivation for Premium Cloud Backup Encryption",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "rotki before 1.44.2 contains a weak key derivation vulnerability that allows attackers to brute-force backups because the premium sync key is a single unsalted SHA-256 of the user password. Attackers who obtain an uploaded backup blob can run GPU-parallel offline password guessing and decrypt the database containing exchange API keys, secrets, wallet addresses and transaction history."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "Use of Password Hash With Insufficient Computational Effort",
                            "cweId": "CWE-916",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "rotki",
                    "product": "rotki",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThan": "1.44.2"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "cvssV4_0": {
                        "version": "4.0",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "PRESENT",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "HIGH",
                        "vulnIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "baseScore": 8.2,
                        "baseSeverity": "HIGH"
                    }
                },
                {
                    "format": "CVSS",
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
                        "attackVector": "NETWORK",
                        "attackComplexity": "HIGH",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "NONE",
                        "baseScore": 5.9,
                        "baseSeverity": "MEDIUM"
                    }
                }
            ],
            "references": [
                {
                    "url": "https://github.com/rotki/rotki/issues/13393",
                    "tags": [
                        "issue-tracking"
                    ],
                    "name": "GitHub Issue #13393"
                },
                {
                    "url": "https://github.com/rotki/rotki",
                    "tags": [
                        "product"
                    ]
                },
                {
                    "url": "https://github.com/rotki/rotki/pull/13401",
                    "tags": [
                        "patch",
                        "issue-tracking"
                    ]
                },
                {
                    "url": "https://github.com/rotki/rotki/blob/v1.44.1/rotkehlchen/crypto.py#L17-L45",
                    "tags": [
                        "technical-description"
                    ]
                },
                {
                    "url": "https://github.com/rotki/rotki/blob/v1.44.1/rotkehlchen/data_handler.py#L263-L294",
                    "tags": [
                        "technical-description"
                    ]
                },
                {
                    "url": "https://github.com/rotki/rotki/releases/tag/v1.44.2",
                    "tags": [
                        "release-notes"
                    ],
                    "name": "v1.44.2 Release Notes"
                },
                {
                    "name": "VulnCheck Advisory: rotki before 1.44.2 Weak Key Derivation for Premium Cloud Backup Encryption",
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://www.vulncheck.com/advisories/rotki-before-1.44.2-weak-key-derivation-for-premium-cloud-backup-encryption"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "George Chen",
                    "type": "finder"
                }
            ],
            "x_generator": {
                "engine": "vulncheck-endgame"
            }
        }
    }
}