Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/24355?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/24355?format=api", "purl": "pkg:npm/qs@3.0.0", "type": "npm", "namespace": "", "name": "qs", "version": "3.0.0", "qualifiers": {}, "subpath": "", "is_vulnerable": true, "next_non_vulnerable_version": "6.14.2", "latest_non_vulnerable_version": "6.14.2", "affected_by_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/7998?format=api", "vulnerability_id": "VCID-3nf9-4fhn-fkg9", "summary": "Improper Input Validation\nThe qs module is vulnerable to a DoS. A malicious user can send an evil request to cause the web framework crash.", "references": [ { "reference_url": "https://access.redhat.com/errata/RHSA-2017:2672", "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": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://access.redhat.com/errata/RHSA-2017:2672" }, { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-1000048.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2017-1000048.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2017-1000048", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00532", "scoring_system": "epss", "scoring_elements": "0.67325", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.00532", "scoring_system": "epss", "scoring_elements": "0.67305", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.00532", "scoring_system": "epss", "scoring_elements": "0.67327", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.00532", "scoring_system": "epss", "scoring_elements": "0.67314", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00532", "scoring_system": "epss", "scoring_elements": "0.6728", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00532", "scoring_system": "epss", "scoring_elements": "0.67315", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00532", "scoring_system": "epss", "scoring_elements": "0.67328", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00532", "scoring_system": "epss", "scoring_elements": "0.67308", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.00532", "scoring_system": "epss", "scoring_elements": "0.67294", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.00532", "scoring_system": "epss", "scoring_elements": "0.67243", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.00532", "scoring_system": "epss", "scoring_elements": "0.67205", "published_at": "2026-04-01T12:55:00Z" }, { "value": "0.00532", "scoring_system": "epss", "scoring_elements": "0.67266", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.00532", "scoring_system": "epss", "scoring_elements": "0.67242", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.00532", "scoring_system": "epss", "scoring_elements": "0.67337", "published_at": "2026-04-29T12:55:00Z" }, { "value": "0.00532", "scoring_system": "epss", "scoring_elements": "0.67336", "published_at": "2026-04-26T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2017-1000048" }, { "reference_url": "https://github.com/ljharb/qs", "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": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/ljharb/qs" }, { "reference_url": "https://github.com/ljharb/qs/commit/beade029171b8cef9cee0d03ebe577e2dd84976d", "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": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/ljharb/qs/commit/beade029171b8cef9cee0d03ebe577e2dd84976d" }, { "reference_url": "https://github.com/ljharb/qs/issues/200", "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": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/ljharb/qs/issues/200" }, { "reference_url": "https://snyk.io/vuln/npm:qs:20170213", "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": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://snyk.io/vuln/npm:qs:20170213" }, { "reference_url": "https://www.npmjs.com/advisories/1469", "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": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.npmjs.com/advisories/1469" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=1427872", "reference_id": "1427872", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1427872" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2017-1000048", "reference_id": "CVE-2017-1000048", "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": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-1000048" }, { "reference_url": "https://github.com/advisories/GHSA-gqgv-6jq5-jjj9", "reference_id": "GHSA-gqgv-6jq5-jjj9", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-gqgv-6jq5-jjj9" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/24368?format=api", "purl": "pkg:npm/qs@6.0.4", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-9ykq-nq81-4fcp" }, { "vulnerability": "VCID-bcuh-2e2c-53gy" }, { "vulnerability": "VCID-pxq3-b7gn-3yah" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/qs@6.0.4" }, { "url": "http://public2.vulnerablecode.io/api/packages/24369?format=api", "purl": "pkg:npm/qs@6.1.2", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-9ykq-nq81-4fcp" }, { "vulnerability": "VCID-bcuh-2e2c-53gy" }, { "vulnerability": "VCID-pxq3-b7gn-3yah" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/qs@6.1.2" }, { "url": "http://public2.vulnerablecode.io/api/packages/24370?format=api", "purl": "pkg:npm/qs@6.2.3", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-9ykq-nq81-4fcp" }, { "vulnerability": "VCID-bcuh-2e2c-53gy" }, { "vulnerability": "VCID-pxq3-b7gn-3yah" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/qs@6.2.3" }, { "url": "http://public2.vulnerablecode.io/api/packages/24371?format=api", "purl": "pkg:npm/qs@6.3.2", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-9ykq-nq81-4fcp" }, { "vulnerability": "VCID-bcuh-2e2c-53gy" }, { "vulnerability": "VCID-pxq3-b7gn-3yah" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/qs@6.3.2" } ], "aliases": [ "CVE-2017-1000048", "GHSA-gqgv-6jq5-jjj9" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-3nf9-4fhn-fkg9" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/24116?format=api", "vulnerability_id": "VCID-9ykq-nq81-4fcp", "summary": "qs's arrayLimit bypass in its bracket notation allows DoS via memory exhaustion\nThe `arrayLimit` option in qs did not enforce limits for bracket notation (`a[]=1&a[]=2`), only for indexed notation (`a[0]=1`). This is a consistency bug; `arrayLimit` should apply uniformly across all array notations.\n\n**Note:** The default `parameterLimit` of 1000 effectively mitigates the DoS scenario originally described. With default options, bracket notation cannot produce arrays larger than `parameterLimit` regardless of `arrayLimit`, because each `a[]=value` consumes one parameter slot. The severity has been reduced accordingly.", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-15284.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2025-15284.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2025-15284", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00061", "scoring_system": "epss", "scoring_elements": "0.18949", "published_at": "2026-04-29T12:55:00Z" }, { "value": "0.00061", "scoring_system": "epss", "scoring_elements": "0.19331", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.00061", "scoring_system": "epss", "scoring_elements": "0.19383", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.00061", "scoring_system": "epss", "scoring_elements": "0.19099", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.00061", "scoring_system": "epss", "scoring_elements": "0.19179", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.00061", "scoring_system": "epss", "scoring_elements": "0.19232", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.00061", "scoring_system": "epss", "scoring_elements": "0.19238", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00061", "scoring_system": "epss", "scoring_elements": "0.19191", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00061", "scoring_system": "epss", "scoring_elements": "0.19137", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00061", "scoring_system": "epss", "scoring_elements": "0.19095", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00061", "scoring_system": "epss", "scoring_elements": "0.19105", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.00061", "scoring_system": "epss", "scoring_elements": "0.19113", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.00061", "scoring_system": "epss", "scoring_elements": "0.19006", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.00061", "scoring_system": "epss", "scoring_elements": "0.18993", "published_at": "2026-04-26T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2025-15284" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-15284", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-15284" }, { "reference_url": "https://github.com/ljharb/qs", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/ljharb/qs" }, { "reference_url": "https://github.com/ljharb/qs/commit/3086902ecf7f088d0d1803887643ac6c03d415b9", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-12-30T14:55:26Z/" } ], "url": "https://github.com/ljharb/qs/commit/3086902ecf7f088d0d1803887643ac6c03d415b9" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1124315", "reference_id": "1124315", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1124315" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2425946", "reference_id": "2425946", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2425946" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2025-15284", "reference_id": "CVE-2025-15284", "reference_type": "", "scores": [ { "value": "3.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-15284" }, { "reference_url": "https://github.com/advisories/GHSA-6rw7-vpxm-498p", "reference_id": "GHSA-6rw7-vpxm-498p", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-6rw7-vpxm-498p" }, { "reference_url": "https://github.com/ljharb/qs/security/advisories/GHSA-6rw7-vpxm-498p", "reference_id": "GHSA-6rw7-vpxm-498p", "reference_type": "", "scores": [ { "value": "3.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L" }, { "value": "MODERATE", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-12-30T14:55:26Z/" } ], "url": "https://github.com/ljharb/qs/security/advisories/GHSA-6rw7-vpxm-498p" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:0261", "reference_id": "RHSA-2026:0261", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:0261" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:0414", "reference_id": "RHSA-2026:0414", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:0414" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:0531", "reference_id": "RHSA-2026:0531", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:0531" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:0761", "reference_id": "RHSA-2026:0761", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:0761" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:1000", "reference_id": "RHSA-2026:1000", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:1000" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:1517", "reference_id": "RHSA-2026:1517", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:1517" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:1552", "reference_id": "RHSA-2026:1552", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:1552" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:1596", "reference_id": "RHSA-2026:1596", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:1596" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:1730", "reference_id": "RHSA-2026:1730", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:1730" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:1942", "reference_id": "RHSA-2026:1942", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:1942" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:2078", "reference_id": "RHSA-2026:2078", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:2078" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:2129", "reference_id": "RHSA-2026:2129", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:2129" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:2145", "reference_id": "RHSA-2026:2145", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:2145" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:2147", "reference_id": "RHSA-2026:2147", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:2147" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:2148", "reference_id": "RHSA-2026:2148", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:2148" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:2149", "reference_id": "RHSA-2026:2149", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:2149" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:2256", "reference_id": "RHSA-2026:2256", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:2256" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:2350", "reference_id": "RHSA-2026:2350", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:2350" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:2456", "reference_id": "RHSA-2026:2456", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:2456" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:2500", "reference_id": "RHSA-2026:2500", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:2500" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:2568", "reference_id": "RHSA-2026:2568", "reference_type": "", "scores": [], "url": 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"https://access.redhat.com/errata/RHSA-2026:4215" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/67182?format=api", "purl": "pkg:npm/qs@6.14.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-pxq3-b7gn-3yah" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/qs@6.14.1" } ], "aliases": [ "CVE-2025-15284", "GHSA-6rw7-vpxm-498p" ], "risk_score": 3.4, "exploitability": "0.5", "weighted_severity": "6.8", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-9ykq-nq81-4fcp" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/53628?format=api", "vulnerability_id": "VCID-bcuh-2e2c-53gy", "summary": "qs vulnerable to Prototype Pollution\nqs before 6.10.3 allows attackers to cause a Node process hang because an `__ proto__` key can be used. In many typical web framework use cases, an unauthenticated remote attacker can place the attack payload in the query string of the URL that is used to visit the application, such as `a[__proto__]=b&a[__proto__]&a[length]=100000000`. 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"https://usn.ubuntu.com/7693-1/", "reference_id": "USN-7693-1", "reference_type": "", "scores": [], "url": "https://usn.ubuntu.com/7693-1/" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/81194?format=api", "purl": "pkg:npm/qs@6.2.4", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-9ykq-nq81-4fcp" }, { "vulnerability": "VCID-pxq3-b7gn-3yah" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/qs@6.2.4" }, { "url": "http://public2.vulnerablecode.io/api/packages/81193?format=api", "purl": "pkg:npm/qs@6.3.3", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-9ykq-nq81-4fcp" }, { "vulnerability": "VCID-pxq3-b7gn-3yah" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/qs@6.3.3" }, { "url": "http://public2.vulnerablecode.io/api/packages/81192?format=api", "purl": "pkg:npm/qs@6.4.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-9ykq-nq81-4fcp" }, { "vulnerability": "VCID-pxq3-b7gn-3yah" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/qs@6.4.1" }, { "url": "http://public2.vulnerablecode.io/api/packages/81191?format=api", "purl": "pkg:npm/qs@6.5.3", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-9ykq-nq81-4fcp" }, { "vulnerability": "VCID-pxq3-b7gn-3yah" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/qs@6.5.3" }, { "url": "http://public2.vulnerablecode.io/api/packages/81190?format=api", "purl": "pkg:npm/qs@6.6.1", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-9ykq-nq81-4fcp" }, { "vulnerability": "VCID-pxq3-b7gn-3yah" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/qs@6.6.1" }, { "url": "http://public2.vulnerablecode.io/api/packages/81189?format=api", "purl": "pkg:npm/qs@6.7.3", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-9ykq-nq81-4fcp" }, { "vulnerability": "VCID-pxq3-b7gn-3yah" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/qs@6.7.3" }, { "url": "http://public2.vulnerablecode.io/api/packages/81188?format=api", "purl": "pkg:npm/qs@6.8.3", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-9ykq-nq81-4fcp" }, { "vulnerability": "VCID-pxq3-b7gn-3yah" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/qs@6.8.3" }, { "url": "http://public2.vulnerablecode.io/api/packages/81187?format=api", "purl": "pkg:npm/qs@6.9.7", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-9ykq-nq81-4fcp" }, { "vulnerability": "VCID-pxq3-b7gn-3yah" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/qs@6.9.7" }, { "url": "http://public2.vulnerablecode.io/api/packages/81186?format=api", "purl": "pkg:npm/qs@6.10.3", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-9ykq-nq81-4fcp" }, { "vulnerability": "VCID-pxq3-b7gn-3yah" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/qs@6.10.3" } ], "aliases": [ "CVE-2022-24999", "GHSA-hrpp-h998-j3pp" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-bcuh-2e2c-53gy" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/21713?format=api", "vulnerability_id": "VCID-pxq3-b7gn-3yah", "summary": "qs's arrayLimit bypass in comma parsing allows denial of service\n### Summary\nThe `arrayLimit` option in qs does not enforce limits for comma-separated values when `comma: true` is enabled, allowing attackers to cause denial-of-service via memory exhaustion. This is a bypass of the array limit enforcement, similar to the bracket notation bypass addressed in GHSA-6rw7-vpxm-498p (CVE-2025-15284).\n\n### Details\nWhen the `comma` option is set to `true` (not the default, but configurable in applications), qs allows parsing comma-separated strings as arrays (e.g., `?param=a,b,c` becomes `['a', 'b', 'c']`). However, the limit check for `arrayLimit` (default: 20) and the optional throwOnLimitExceeded occur after the comma-handling logic in `parseArrayValue`, enabling a bypass. This permits creation of arbitrarily large arrays from a single parameter, leading to excessive memory allocation.\n\n**Vulnerable code** (lib/parse.js: lines ~40-50):\n```js\nif (val && typeof val === 'string' && options.comma && val.indexOf(',') > -1) {\n return val.split(',');\n}\n\nif (options.throwOnLimitExceeded && currentArrayLength >= options.arrayLimit) {\n throw new RangeError('Array limit exceeded. Only ' + options.arrayLimit + ' element' + (options.arrayLimit === 1 ? '' : 's') + ' allowed in an array.');\n}\n\nreturn val;\n```\nThe `split(',')` returns the array immediately, skipping the subsequent limit check. Downstream merging via `utils.combine` does not prevent allocation, even if it marks overflows for sparse arrays.This discrepancy allows attackers to send a single parameter with millions of commas (e.g., `?param=,,,,,,,,...`), allocating massive arrays in memory without triggering limits. It bypasses the intent of `arrayLimit`, which is enforced correctly for indexed (`a[0]=`) and bracket (`a[]=`) notations (the latter fixed in v6.14.1 per GHSA-6rw7-vpxm-498p).\n\n### PoC\n**Test 1 - Basic bypass:**\n```\nnpm install qs\n```\n\n```js\nconst qs = require('qs');\n\nconst payload = 'a=' + ','.repeat(25); // 26 elements after split (bypasses arrayLimit: 5)\nconst options = { comma: true, arrayLimit: 5, throwOnLimitExceeded: true };\n\ntry {\n const result = qs.parse(payload, options);\n console.log(result.a.length); // Outputs: 26 (bypass successful)\n} catch (e) {\n console.log('Limit enforced:', e.message); // Not thrown\n}\n```\n**Configuration:**\n- `comma: true`\n- `arrayLimit: 5`\n- `throwOnLimitExceeded: true`\n\nExpected: Throws \"Array limit exceeded\" error.\nActual: Parses successfully, creating an array of length 26.\n\n\n### Impact\nDenial of Service (DoS) via memory exhaustion.\n\n### Suggested Fix\nMove the `arrayLimit` check before the comma split in `parseArrayValue`, and enforce it on the resulting array length. Use `currentArrayLength` (already calculated upstream) for consistency with bracket notation fixes.\n\n**Current code** (lib/parse.js: lines ~40-50):\n```js\nif (val && typeof val === 'string' && options.comma && val.indexOf(',') > -1) {\n return val.split(',');\n}\n\nif (options.throwOnLimitExceeded && currentArrayLength >= options.arrayLimit) {\n throw new RangeError('Array limit exceeded. Only ' + options.arrayLimit + ' element' + (options.arrayLimit === 1 ? '' : 's') + ' allowed in an array.');\n}\n\nreturn val;\n```\n\n**Fixed code:**\n```js\nif (val && typeof val === 'string' && options.comma && val.indexOf(',') > -1) {\n const splitArray = val.split(',');\n if (splitArray.length > options.arrayLimit - currentArrayLength) { // Check against remaining limit\n if (options.throwOnLimitExceeded) {\n throw new RangeError('Array limit exceeded. Only ' + options.arrayLimit + ' element' + (options.arrayLimit === 1 ? '' : 's') + ' allowed in an array.');\n } else {\n // Optionally convert to object or truncate, per README\n return splitArray.slice(0, options.arrayLimit - currentArrayLength);\n }\n }\n return splitArray;\n}\n\nif (options.throwOnLimitExceeded && currentArrayLength >= options.arrayLimit) {\n throw new RangeError('Array limit exceeded. Only ' + options.arrayLimit + ' element' + (options.arrayLimit === 1 ? '' : 's') + ' allowed in an array.');\n}\n\nreturn val;\n```\nThis aligns behavior with indexed and bracket notations, reuses `currentArrayLength`, and respects `throwOnLimitExceeded`. Update README to note the consistent enforcement.", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-2391.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-2391.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2026-2391", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.0005", "scoring_system": "epss", "scoring_elements": "0.15484", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.0005", "scoring_system": "epss", "scoring_elements": "0.15468", "published_at": "2026-04-29T12:55:00Z" }, { "value": "0.0005", "scoring_system": "epss", "scoring_elements": "0.15523", "published_at": "2026-04-26T12:55:00Z" }, { "value": "0.0005", "scoring_system": "epss", "scoring_elements": "0.15525", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.00058", "scoring_system": "epss", "scoring_elements": "0.18227", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.00058", "scoring_system": "epss", "scoring_elements": "0.18316", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00058", "scoring_system": "epss", "scoring_elements": "0.18363", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00058", "scoring_system": "epss", "scoring_elements": "0.18517", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.00058", "scoring_system": "epss", "scoring_elements": "0.1831", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.00058", "scoring_system": "epss", "scoring_elements": "0.18221", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.00058", "scoring_system": "epss", "scoring_elements": "0.18462", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.00058", "scoring_system": "epss", "scoring_elements": "0.18208", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00058", "scoring_system": "epss", "scoring_elements": "0.18264", "published_at": "2026-04-13T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-2391" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-2391", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-2391" }, { "reference_url": "https://github.com/ljharb/qs", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/ljharb/qs" }, { "reference_url": "https://github.com/ljharb/qs/commit/f6a7abff1f13d644db9b05fe4f2c98ada6bf8482", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-02-12T15:00:21Z/" } ], "url": "https://github.com/ljharb/qs/commit/f6a7abff1f13d644db9b05fe4f2c98ada6bf8482" }, { "reference_url": "https://github.com/ljharb/qs/security/advisories/GHSA-w7fw-mjwx-w883", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L" }, { "value": "LOW", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" }, { "value": "6.3", "scoring_system": "cvssv4", "scoring_elements": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-02-12T15:00:21Z/" } ], "url": "https://github.com/ljharb/qs/security/advisories/GHSA-w7fw-mjwx-w883" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2391", "reference_id": "", "reference_type": "", "scores": [ { "value": "3.7", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L" }, { "value": "LOW", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2391" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1127940", "reference_id": "1127940", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1127940" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2439353", "reference_id": "2439353", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2439353" }, { "reference_url": "https://github.com/advisories/GHSA-w7fw-mjwx-w883", "reference_id": "GHSA-w7fw-mjwx-w883", "reference_type": "", "scores": [ { "value": "LOW", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-w7fw-mjwx-w883" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/64159?format=api", "purl": "pkg:npm/qs@6.14.2", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/qs@6.14.2" } ], "aliases": [ "CVE-2026-2391", "GHSA-w7fw-mjwx-w883" ], "risk_score": 2.9, "exploitability": "0.5", "weighted_severity": "5.7", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-pxq3-b7gn-3yah" } ], "fixing_vulnerabilities": [], "risk_score": "4.0", "resource_url": "http://public2.vulnerablecode.io/packages/pkg:npm/qs@3.0.0" }