GET

Package Instance

Lookup for vulnerable packages by Package URL.

GET /api/packages/506052?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/packages/506052?format=api",
    "purl": "pkg:npm/calipso@0.3.20",
    "type": "npm",
    "namespace": "",
    "name": "calipso",
    "version": "0.3.20",
    "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/335428?format=api",
            "vulnerability_id": "VCID-hy1u-6pq9-c3e2",
            "summary": "",
            "references": [
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-23391",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.00088",
                            "scoring_system": "epss",
                            "scoring_elements": "0.25185",
                            "published_at": "2026-06-11T12:55:00Z"
                        },
                        {
                            "value": "0.00088",
                            "scoring_system": "epss",
                            "scoring_elements": "0.25382",
                            "published_at": "2026-06-12T12:55:00Z"
                        },
                        {
                            "value": "0.00088",
                            "scoring_system": "epss",
                            "scoring_elements": "0.25399",
                            "published_at": "2026-06-13T12:55:00Z"
                        },
                        {
                            "value": "0.00088",
                            "scoring_system": "epss",
                            "scoring_elements": "0.25385",
                            "published_at": "2026-06-14T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-23391"
                },
                {
                    "reference_url": "https://github.com/cliftonc/calipso",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.3",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/cliftonc/calipso"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-23391",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.3",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-23391"
                },
                {
                    "reference_url": "https://snyk.io/vuln/SNYK-JS-CALIPSO-1300555",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.3",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L"
                        },
                        {
                            "value": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://snyk.io/vuln/SNYK-JS-CALIPSO-1300555"
                },
                {
                    "reference_url": "https://github.com/advisories/GHSA-jxcc-g75x-qgw9",
                    "reference_id": "GHSA-jxcc-g75x-qgw9",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "HIGH",
                            "scoring_system": "cvssv3.1_qr",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/advisories/GHSA-jxcc-g75x-qgw9"
                }
            ],
            "fixed_packages": [],
            "aliases": [
                "CVE-2021-23391",
                "GHSA-jxcc-g75x-qgw9"
            ],
            "risk_score": 4.0,
            "exploitability": "0.5",
            "weighted_severity": "8.0",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-hy1u-6pq9-c3e2"
        }
    ],
    "fixing_vulnerabilities": [],
    "risk_score": "4.0",
    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/calipso@0.3.20"
}