{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-109424",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-10-12T15:52:36.681Z",
        "datePublished": "2026-10-12T19:35:20.198Z",
        "dateUpdated": "2026-10-12T19:35:20.198Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
                "shortName": "VulnCheck",
                "dateUpdated": "2026-10-12T19:35:20.198Z"
            },
            "title": "NetEase Cloud Music Weak Encryption via eapi/xeapi",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "NetEase Cloud Music client for Windows (cloudmusic.exe) versions 3.1.38 and 3.1.39.205426 contains a weak encryption vulnerability where /eapi/ and /xeapi/ API response bodies are decrypted using a fixed, publicly documented AES-128-ECB key with no integrity credential. Attackers who can intercept or originate server responses can construct valid ciphertext under the known key with PKCS#7 padding, enabling the client to accept forged API responses that serve as a prerequisite for further exploitation such as reaching the os.navigateExternal bridge."
                }
            ],
            "datePublic": "2026-09-29T00:00:00.000Z",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "Use of Hard-coded Cryptographic Key",
                            "cweId": "CWE-321",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "defaultStatus": "unaffected",
                    "vendor": "NetEase",
                    "product": "NetEase Cloud Music for Windows",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "3.1.38",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "3.1.39.205426",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "metrics": [
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                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
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                    ],
                    "cvssV4_0": {
                        "attackVector": "NETWORK",
                        "attackComplexity": "HIGH",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "vulnConfidentialityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "HIGH",
                        "subIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "exploitMaturity": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "valueDensity": "NOT_DEFINED",
                        "vulnerabilityResponseEffort": "NOT_DEFINED",
                        "providerUrgency": "NOT_DEFINED",
                        "version": "4.0",
                        "baseSeverity": "HIGH",
                        "baseScore": 8.2,
                        "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"
                    }
                },
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                            "lang": "en",
                            "value": "GENERAL"
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                    ],
                    "cvssV3_1": {
                        "attackVector": "NETWORK",
                        "attackComplexity": "HIGH",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "HIGH",
                        "availabilityImpact": "NONE",
                        "version": "3.1",
                        "baseSeverity": "MEDIUM",
                        "baseScore": 5.9,
                        "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"
                    }
                }
            ],
            "references": [
                {
                    "url": "https://gist.github.com/LeoWSY-hashblue/10e5383fc2d4d75faf74a9507c6bba9f",
                    "name": "Researcher Disclosure",
                    "tags": [
                        "technical-description"
                    ]
                },
                {
                    "url": "https://hr.163.com/product.html/music",
                    "name": "Product Page",
                    "tags": [
                        "product"
                    ]
                },
                {
                    "url": "https://www.vulncheck.com/advisories/netease-cloud-music-weak-encryption-via-eapi-xeapi",
                    "name": "VulnCheck Advisory: NetEase Cloud Music Weak Encryption via eapi/xeapi",
                    "tags": [
                        "third-party-advisory"
                    ]
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "LeoWSY-hashblue",
                    "type": "finder"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "x_generator": {
                "engine": "vulncheck"
            }
        }
    }
}