Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/201451?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/201451?format=api", "vulnerability_id": "VCID-5ycj-g4t7-hfd9", "summary": "websockets is vulnerable to denial of service by memory exhaustion", "aliases": [ { "alias": "CVE-2018-1000518" }, { "alias": "GHSA-6g87-ff9q-v847" }, { "alias": "PYSEC-2018-79" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/13649?format=api", "purl": "pkg:pypi/websockets@5.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-vd9d-qr6h-7ubz" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/websockets@5.0" } ], "affected_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/51335?format=api", "purl": "pkg:pypi/websockets@0.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5ycj-g4t7-hfd9" }, { "vulnerability": "VCID-vd9d-qr6h-7ubz" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/websockets@0.1" }, { "url": "http://public2.vulnerablecode.io/api/packages/51336?format=api", "purl": "pkg:pypi/websockets@1.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5ycj-g4t7-hfd9" }, { "vulnerability": "VCID-vd9d-qr6h-7ubz" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/websockets@1.0" }, { "url": "http://public2.vulnerablecode.io/api/packages/51337?format=api", "purl": "pkg:pypi/websockets@2.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5ycj-g4t7-hfd9" }, { "vulnerability": "VCID-vd9d-qr6h-7ubz" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/websockets@2.0" }, { "url": "http://public2.vulnerablecode.io/api/packages/51338?format=api", "purl": "pkg:pypi/websockets@2.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5ycj-g4t7-hfd9" }, { "vulnerability": "VCID-vd9d-qr6h-7ubz" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/websockets@2.1" }, { "url": "http://public2.vulnerablecode.io/api/packages/51339?format=api", "purl": "pkg:pypi/websockets@2.2", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5ycj-g4t7-hfd9" }, { "vulnerability": "VCID-vd9d-qr6h-7ubz" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/websockets@2.2" }, { "url": "http://public2.vulnerablecode.io/api/packages/51340?format=api", "purl": "pkg:pypi/websockets@2.3", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5ycj-g4t7-hfd9" }, { "vulnerability": "VCID-vd9d-qr6h-7ubz" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/websockets@2.3" }, { "url": "http://public2.vulnerablecode.io/api/packages/51341?format=api", "purl": "pkg:pypi/websockets@2.4", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5ycj-g4t7-hfd9" }, { "vulnerability": "VCID-vd9d-qr6h-7ubz" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/websockets@2.4" }, { "url": "http://public2.vulnerablecode.io/api/packages/51342?format=api", "purl": "pkg:pypi/websockets@2.5", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5ycj-g4t7-hfd9" }, { "vulnerability": "VCID-vd9d-qr6h-7ubz" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/websockets@2.5" }, { "url": "http://public2.vulnerablecode.io/api/packages/51343?format=api", "purl": "pkg:pypi/websockets@2.6", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5ycj-g4t7-hfd9" }, { "vulnerability": "VCID-vd9d-qr6h-7ubz" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/websockets@2.6" }, { "url": "http://public2.vulnerablecode.io/api/packages/51344?format=api", "purl": "pkg:pypi/websockets@2.7", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5ycj-g4t7-hfd9" }, { "vulnerability": "VCID-vd9d-qr6h-7ubz" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/websockets@2.7" }, { "url": "http://public2.vulnerablecode.io/api/packages/51345?format=api", "purl": "pkg:pypi/websockets@3.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5ycj-g4t7-hfd9" }, { "vulnerability": "VCID-vd9d-qr6h-7ubz" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/websockets@3.0" }, { "url": "http://public2.vulnerablecode.io/api/packages/51346?format=api", "purl": "pkg:pypi/websockets@3.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5ycj-g4t7-hfd9" }, { "vulnerability": "VCID-vd9d-qr6h-7ubz" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/websockets@3.1" }, { "url": "http://public2.vulnerablecode.io/api/packages/51347?format=api", "purl": "pkg:pypi/websockets@3.2", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5ycj-g4t7-hfd9" }, { "vulnerability": "VCID-vd9d-qr6h-7ubz" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/websockets@3.2" }, { "url": "http://public2.vulnerablecode.io/api/packages/51348?format=api", "purl": "pkg:pypi/websockets@3.3", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5ycj-g4t7-hfd9" }, { "vulnerability": "VCID-vd9d-qr6h-7ubz" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/websockets@3.3" }, { "url": "http://public2.vulnerablecode.io/api/packages/51349?format=api", "purl": "pkg:pypi/websockets@3.4", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5ycj-g4t7-hfd9" }, { "vulnerability": "VCID-vd9d-qr6h-7ubz" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/websockets@3.4" }, { "url": "http://public2.vulnerablecode.io/api/packages/13648?format=api", "purl": "pkg:pypi/websockets@4.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5ycj-g4t7-hfd9" }, { "vulnerability": "VCID-vd9d-qr6h-7ubz" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/websockets@4.0" }, { "url": "http://public2.vulnerablecode.io/api/packages/51350?format=api", "purl": "pkg:pypi/websockets@4.0.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5ycj-g4t7-hfd9" }, { "vulnerability": "VCID-vd9d-qr6h-7ubz" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:pypi/websockets@4.0.1" } ], "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2018-1000518", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00168", "scoring_system": "epss", "scoring_elements": "0.37932", "published_at": "2026-06-13T12:55:00Z" }, { "value": "0.00168", "scoring_system": "epss", "scoring_elements": "0.37728", "published_at": "2026-06-11T12:55:00Z" }, { "value": "0.00168", "scoring_system": "epss", "scoring_elements": "0.37906", "published_at": "2026-06-12T12:55:00Z" }, { "value": "0.00168", "scoring_system": "epss", "scoring_elements": "0.37919", "published_at": "2026-06-14T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2018-1000518" }, { "reference_url": "https://github.com/aaugustin/websockets", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "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" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/aaugustin/websockets" }, { "reference_url": "https://github.com/aaugustin/websockets/pull/407", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "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" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/aaugustin/websockets/pull/407" }, { "reference_url": "https://github.com/pypa/advisory-database/tree/main/vulns/websockets/PYSEC-2018-79.yaml", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "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" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/pypa/advisory-database/tree/main/vulns/websockets/PYSEC-2018-79.yaml" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2018-1000518", "reference_id": "CVE-2018-1000518", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "8.7", "scoring_system": "cvssv4", "scoring_elements": "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" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-1000518" }, { "reference_url": "https://github.com/advisories/GHSA-6g87-ff9q-v847", "reference_id": "GHSA-6g87-ff9q-v847", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-6g87-ff9q-v847" } ], "weaknesses": [ { "cwe_id": 400, "name": "Uncontrolled Resource Consumption", "description": "The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources." }, { "cwe_id": 937, "name": "OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities", "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2013." }, { "cwe_id": 1035, "name": "OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities", "description": "Weaknesses in this category are related to the A9 category in the OWASP Top Ten 2017." } ], "exploits": [], "severity_range_score": "7.0 - 8.9", "exploitability": "0.5", "weighted_severity": "8.0", "risk_score": 4.0, "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-5ycj-g4t7-hfd9" }