Package Instance

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{
    "url": "http://public2.vulnerablecode.io/api/packages/548128?format=api",
    "purl": "pkg:npm/sey@0.1.2",
    "type": "npm",
    "namespace": "",
    "name": "sey",
    "version": "0.1.2",
    "qualifiers": {},
    "subpath": "",
    "is_vulnerable": true,
    "next_non_vulnerable_version": null,
    "latest_non_vulnerable_version": null,
    "affected_by_vulnerabilities": [
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/41854?format=api",
            "vulnerability_id": "VCID-2yyf-uy38-rfgc",
            "summary": "Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')\nsey is vulnerable to Prototype Pollution via the `deepmerge()` function.",
            "references": [
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-23663",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.00477",
                            "scoring_system": "epss",
                            "scoring_elements": "0.65342",
                            "published_at": "2026-06-09T12:55:00Z"
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                        {
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                            "scoring_system": "epss",
                            "scoring_elements": "0.65292",
                            "published_at": "2026-06-04T12:55:00Z"
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                            "scoring_system": "epss",
                            "scoring_elements": "0.65334",
                            "published_at": "2026-06-05T12:55:00Z"
                        },
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                            "value": "0.00477",
                            "scoring_system": "epss",
                            "scoring_elements": "0.65344",
                            "published_at": "2026-06-06T12:55:00Z"
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                            "value": "0.00477",
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                            "scoring_elements": "0.65333",
                            "published_at": "2026-06-07T12:55:00Z"
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                            "value": "0.00477",
                            "scoring_system": "epss",
                            "scoring_elements": "0.65323",
                            "published_at": "2026-06-08T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-23663"
                },
                {
                    "reference_url": "https://github.com/eserozvataf/sey",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
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                            "value": "6.5",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/eserozvataf/sey"
                },
                {
                    "reference_url": "https://snyk.io/vuln/SNYK-JS-SEY-1727592",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "6.5",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L"
                        },
                        {
                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://snyk.io/vuln/SNYK-JS-SEY-1727592"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-23663",
                    "reference_id": "CVE-2021-23663",
                    "reference_type": "",
                    "scores": [
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                            "value": "6.5",
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                        },
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                            "value": "MODERATE",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-23663"
                },
                {
                    "reference_url": "https://github.com/advisories/GHSA-wjpc-cgvw-xx23",
                    "reference_id": "GHSA-wjpc-cgvw-xx23",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "MODERATE",
                            "scoring_system": "cvssv3.1_qr",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/advisories/GHSA-wjpc-cgvw-xx23"
                }
            ],
            "fixed_packages": [],
            "aliases": [
                "CVE-2021-23663",
                "GHSA-wjpc-cgvw-xx23"
            ],
            "risk_score": 3.1,
            "exploitability": "0.5",
            "weighted_severity": "6.2",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-2yyf-uy38-rfgc"
        }
    ],
    "fixing_vulnerabilities": [],
    "risk_score": "3.1",
    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/sey@0.1.2"
}