Vulnerability Instance
Lookup for vulnerabilities affecting packages.
GET /api/vulnerabilities/50456?format=api
{ "url": "http://public2.vulnerablecode.io/api/vulnerabilities/50456?format=api", "vulnerability_id": "VCID-upxb-saer-nbhg", "summary": "@fastify/middie has Improper Path Normalization when Using Path-Scoped Middleware\nA path normalization inconsistency in `@fastify/middie` can result in authentication/authorization bypass when using path-scoped middleware (for example, `app.use('/secret', auth)`).\n\nWhen Fastify router normalization options are enabled (such as `ignoreDuplicateSlashes`, `useSemicolonDelimiter`, and related trailing-slash behavior), crafted request paths may bypass middleware checks while still being routed to protected handlers.", "aliases": [ { "alias": "CVE-2026-2880" }, { "alias": "GHSA-8p85-9qpw-fwgw" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/74363?format=api", "purl": "pkg:npm/%40fastify/middie@9.2.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5sys-zwsu-c7fp" }, { "vulnerability": "VCID-zc68-ntk2-p3a6" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540fastify/middie@9.2.0" } ], "affected_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/944865?format=api", "purl": "pkg:npm/%40fastify/middie@8.0.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5sys-zwsu-c7fp" }, { "vulnerability": "VCID-upxb-saer-nbhg" }, { "vulnerability": "VCID-wnye-62ms-akgc" }, { "vulnerability": "VCID-zc68-ntk2-p3a6" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540fastify/middie@8.0.0" }, { "url": "http://public2.vulnerablecode.io/api/packages/944866?format=api", "purl": "pkg:npm/%40fastify/middie@8.1.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5sys-zwsu-c7fp" }, { "vulnerability": "VCID-upxb-saer-nbhg" }, { "vulnerability": "VCID-wnye-62ms-akgc" }, { "vulnerability": "VCID-zc68-ntk2-p3a6" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540fastify/middie@8.1.0" }, { "url": "http://public2.vulnerablecode.io/api/packages/944867?format=api", "purl": "pkg:npm/%40fastify/middie@8.2.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5sys-zwsu-c7fp" }, { "vulnerability": "VCID-upxb-saer-nbhg" }, { "vulnerability": "VCID-wnye-62ms-akgc" }, { "vulnerability": "VCID-zc68-ntk2-p3a6" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540fastify/middie@8.2.0" }, { "url": "http://public2.vulnerablecode.io/api/packages/944868?format=api", "purl": "pkg:npm/%40fastify/middie@8.3.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5sys-zwsu-c7fp" }, { "vulnerability": "VCID-upxb-saer-nbhg" }, { "vulnerability": "VCID-wnye-62ms-akgc" }, { "vulnerability": "VCID-zc68-ntk2-p3a6" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540fastify/middie@8.3.0" }, { "url": "http://public2.vulnerablecode.io/api/packages/944869?format=api", "purl": "pkg:npm/%40fastify/middie@8.3.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5sys-zwsu-c7fp" }, { "vulnerability": "VCID-upxb-saer-nbhg" }, { "vulnerability": "VCID-wnye-62ms-akgc" }, { "vulnerability": "VCID-zc68-ntk2-p3a6" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540fastify/middie@8.3.1" }, { "url": "http://public2.vulnerablecode.io/api/packages/944870?format=api", "purl": "pkg:npm/%40fastify/middie@8.3.2", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5sys-zwsu-c7fp" }, { "vulnerability": "VCID-upxb-saer-nbhg" }, { "vulnerability": "VCID-wnye-62ms-akgc" }, { "vulnerability": "VCID-zc68-ntk2-p3a6" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540fastify/middie@8.3.2" }, { "url": "http://public2.vulnerablecode.io/api/packages/944871?format=api", "purl": "pkg:npm/%40fastify/middie@8.3.3", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5sys-zwsu-c7fp" }, { "vulnerability": "VCID-upxb-saer-nbhg" }, { "vulnerability": "VCID-wnye-62ms-akgc" }, { "vulnerability": "VCID-zc68-ntk2-p3a6" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540fastify/middie@8.3.3" }, { "url": "http://public2.vulnerablecode.io/api/packages/944872?format=api", "purl": "pkg:npm/%40fastify/middie@9.0.0-pre.fv5.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5sys-zwsu-c7fp" }, { "vulnerability": "VCID-upxb-saer-nbhg" }, { "vulnerability": "VCID-wnye-62ms-akgc" }, { "vulnerability": "VCID-zc68-ntk2-p3a6" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540fastify/middie@9.0.0-pre.fv5.1" }, { "url": "http://public2.vulnerablecode.io/api/packages/944873?format=api", "purl": "pkg:npm/%40fastify/middie@9.0.0-pre.fv5.2", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5sys-zwsu-c7fp" }, { "vulnerability": "VCID-upxb-saer-nbhg" }, { "vulnerability": "VCID-wnye-62ms-akgc" }, { "vulnerability": "VCID-zc68-ntk2-p3a6" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540fastify/middie@9.0.0-pre.fv5.2" }, { "url": "http://public2.vulnerablecode.io/api/packages/944874?format=api", "purl": "pkg:npm/%40fastify/middie@9.0.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5sys-zwsu-c7fp" }, { "vulnerability": "VCID-upxb-saer-nbhg" }, { "vulnerability": "VCID-wnye-62ms-akgc" }, { "vulnerability": "VCID-zc68-ntk2-p3a6" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540fastify/middie@9.0.0" }, { "url": "http://public2.vulnerablecode.io/api/packages/944875?format=api", "purl": "pkg:npm/%40fastify/middie@9.0.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5sys-zwsu-c7fp" }, { "vulnerability": "VCID-upxb-saer-nbhg" }, { "vulnerability": "VCID-wnye-62ms-akgc" }, { "vulnerability": "VCID-zc68-ntk2-p3a6" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540fastify/middie@9.0.1" }, { "url": "http://public2.vulnerablecode.io/api/packages/944876?format=api", "purl": "pkg:npm/%40fastify/middie@9.0.2", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5sys-zwsu-c7fp" }, { "vulnerability": "VCID-upxb-saer-nbhg" }, { "vulnerability": "VCID-wnye-62ms-akgc" }, { "vulnerability": "VCID-zc68-ntk2-p3a6" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540fastify/middie@9.0.2" }, { "url": "http://public2.vulnerablecode.io/api/packages/514663?format=api", "purl": "pkg:npm/%40fastify/middie@9.0.3", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5sys-zwsu-c7fp" }, { "vulnerability": "VCID-upxb-saer-nbhg" }, { "vulnerability": "VCID-wnye-62ms-akgc" }, { "vulnerability": "VCID-zc68-ntk2-p3a6" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540fastify/middie@9.0.3" }, { "url": "http://public2.vulnerablecode.io/api/packages/73502?format=api", "purl": "pkg:npm/%40fastify/middie@9.1.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-5sys-zwsu-c7fp" }, { "vulnerability": "VCID-upxb-saer-nbhg" }, { "vulnerability": "VCID-zc68-ntk2-p3a6" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/%2540fastify/middie@9.1.0" } ], "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2026-2880", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00087", "scoring_system": "epss", "scoring_elements": "0.24991", "published_at": "2026-06-07T12:55:00Z" }, { "value": "0.00087", "scoring_system": "epss", "scoring_elements": "0.24942", "published_at": "2026-06-09T12:55:00Z" }, { "value": "0.00087", "scoring_system": "epss", "scoring_elements": "0.24934", "published_at": "2026-06-08T12:55:00Z" }, { "value": "0.00087", "scoring_system": "epss", "scoring_elements": "0.25044", "published_at": "2026-06-06T12:55:00Z" }, { "value": "0.00087", "scoring_system": "epss", "scoring_elements": "0.25056", "published_at": "2026-06-05T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-2880" }, { "reference_url": "https://fluidattacks.com/advisories/jimenez", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://fluidattacks.com/advisories/jimenez" }, { "reference_url": "https://fluidattacks.com/advisories/policy", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://fluidattacks.com/advisories/policy" }, { "reference_url": "https://github.com/fastify/middie", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/fastify/middie" }, { "reference_url": "https://github.com/fastify/middie/commit/140e0dd0359d890fec7e6ea1dcc5134d6bd554d4", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/fastify/middie/commit/140e0dd0359d890fec7e6ea1dcc5134d6bd554d4" }, { "reference_url": "https://github.com/fastify/middie/releases/tag/v9.2.0", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/fastify/middie/releases/tag/v9.2.0" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2880", "reference_id": "CVE-2026-2880", "reference_type": "", "scores": [ { "value": "8.2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2880" }, { "reference_url": "https://github.com/advisories/GHSA-8p85-9qpw-fwgw", "reference_id": "GHSA-8p85-9qpw-fwgw", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-8p85-9qpw-fwgw" }, { "reference_url": "https://github.com/fastify/middie/security/advisories/GHSA-8p85-9qpw-fwgw", "reference_id": "GHSA-8p85-9qpw-fwgw", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" }, { "value": "8.2", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-02-27T18:55:36Z/" } ], "url": "https://github.com/fastify/middie/security/advisories/GHSA-8p85-9qpw-fwgw" } ], "weaknesses": [ { "cwe_id": 20, "name": "Improper Input Validation", "description": "The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly." }, { "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-upxb-saer-nbhg" }