Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/994731?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/994731?format=api", "purl": "pkg:deb/debian/node-path-to-regexp@8.4.1-1", "type": "deb", "namespace": "debian", "name": "node-path-to-regexp", "version": "8.4.1-1", "qualifiers": {}, "subpath": "", "is_vulnerable": false, "next_non_vulnerable_version": null, "latest_non_vulnerable_version": null, "affected_by_vulnerabilities": [], "fixing_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/23228?format=api", "vulnerability_id": "VCID-1vjw-mm86-k7gn", "summary": "path-to-regexp vulnerable to Denial of Service via sequential optional groups\n### Impact\n\nA bad regular expression is generated any time you have multiple sequential optional groups (curly brace syntax), such as `{a}{b}{c}:z`. The generated regex grows exponentially with the number of groups, causing denial of service.\n\n### Patches\n\nFixed in version 8.4.0.\n\n### Workarounds\n\nLimit the number of sequential optional groups in route patterns. Avoid passing user-controlled input as route patterns.", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-4926.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-2026-4926.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2026-4926", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00052", "scoring_system": "epss", "scoring_elements": "0.16236", "published_at": "2026-04-26T12:55:00Z" }, { "value": "0.00052", "scoring_system": "epss", "scoring_elements": "0.1624", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.00052", "scoring_system": "epss", "scoring_elements": "0.16347", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.00052", "scoring_system": "epss", "scoring_elements": "0.16313", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.00052", "scoring_system": "epss", "scoring_elements": "0.16292", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00052", "scoring_system": "epss", "scoring_elements": "0.16356", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00052", "scoring_system": "epss", "scoring_elements": "0.16417", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00052", "scoring_system": "epss", "scoring_elements": "0.16457", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00052", "scoring_system": "epss", "scoring_elements": "0.16472", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.00052", "scoring_system": "epss", "scoring_elements": "0.16469", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.00052", "scoring_system": "epss", "scoring_elements": "0.16414", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.00052", "scoring_system": "epss", "scoring_elements": "0.16328", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.00052", "scoring_system": "epss", "scoring_elements": "0.16531", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.00057", "scoring_system": "epss", "scoring_elements": "0.17646", "published_at": "2026-04-29T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-4926" }, { "reference_url": "https://cna.openjsf.org/security-advisories.html", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "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/2026-03-27T19:44:44Z/" } ], "url": "https://cna.openjsf.org/security-advisories.html" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-4926", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-4926" }, { "reference_url": "https://github.com/pillarjs/path-to-regexp", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/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/pillarjs/path-to-regexp" }, { "reference_url": "https://github.com/pillarjs/path-to-regexp/security/advisories/GHSA-j3q9-mxjg-w52f", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/pillarjs/path-to-regexp/security/advisories/GHSA-j3q9-mxjg-w52f" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-4926", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/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-2026-4926" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1132020", "reference_id": "1132020", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1132020" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2451867", "reference_id": "2451867", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2451867" }, { "reference_url": "https://github.com/advisories/GHSA-j3q9-mxjg-w52f", "reference_id": "GHSA-j3q9-mxjg-w52f", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-j3q9-mxjg-w52f" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:10153", "reference_id": "RHSA-2026:10153", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:10153" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:10172", "reference_id": "RHSA-2026:10172", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:10172" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:10175", "reference_id": "RHSA-2026:10175", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:10175" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:9385", "reference_id": "RHSA-2026:9385", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:9385" }, { "reference_url": "https://access.redhat.com/errata/RHSA-2026:9742", "reference_id": "RHSA-2026:9742", "reference_type": "", "scores": [], "url": "https://access.redhat.com/errata/RHSA-2026:9742" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/994731?format=api", "purl": "pkg:deb/debian/node-path-to-regexp@8.4.1-1", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/node-path-to-regexp@8.4.1-1" } ], "aliases": [ "CVE-2026-4926", "GHSA-j3q9-mxjg-w52f" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-1vjw-mm86-k7gn" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/24833?format=api", "vulnerability_id": "VCID-366w-k4rs-v7d3", "summary": "path-to-regexp vulnerable to Regular Expression Denial of Service via multiple wildcards\n### Impact\n\nWhen using multiple wildcards, combined with at least one parameter, a regular expression can be generated that is vulnerable to ReDoS. This backtracking vulnerability requires the second wildcard to be somewhere other than the end of the path.\n\n**Unsafe examples:**\n\n```\n/*foo-*bar-:baz\n/*a-:b-*c-:d\n/x/*a-:b/*c/y\n```\n\n**Safe examples:**\n\n```\n/*foo-:bar\n/*foo-:bar-*baz\n```\n\n### Patches\n\nUpgrade to version `8.4.0`.\n\n### Workarounds\n\nIf developers are using multiple wildcard parameters, they can check the regex output with a tool such as https://makenowjust-labs.github.io/recheck/playground/ to confirm whether a path is vulnerable.", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-4923.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.9", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-4923.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2026-4923", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00052", "scoring_system": "epss", "scoring_elements": "0.16295", "published_at": "2026-04-26T12:55:00Z" }, { "value": "0.00052", "scoring_system": "epss", "scoring_elements": "0.163", "published_at": "2026-04-24T12:55:00Z" }, { "value": "0.00052", "scoring_system": "epss", "scoring_elements": "0.16406", "published_at": "2026-04-21T12:55:00Z" }, { "value": "0.00052", "scoring_system": "epss", "scoring_elements": "0.16368", "published_at": "2026-04-18T12:55:00Z" }, { "value": "0.00052", "scoring_system": "epss", "scoring_elements": "0.16348", "published_at": "2026-04-16T12:55:00Z" }, { "value": "0.00052", "scoring_system": "epss", "scoring_elements": "0.16408", "published_at": "2026-04-13T12:55:00Z" }, { "value": "0.00052", "scoring_system": "epss", "scoring_elements": "0.16468", "published_at": "2026-04-12T12:55:00Z" }, { "value": "0.00052", "scoring_system": "epss", "scoring_elements": "0.16506", "published_at": "2026-04-11T12:55:00Z" }, { "value": "0.00052", "scoring_system": "epss", "scoring_elements": "0.16379", "published_at": "2026-04-07T12:55:00Z" }, { "value": "0.00052", "scoring_system": "epss", "scoring_elements": "0.16579", "published_at": "2026-04-04T12:55:00Z" }, { "value": "0.00052", "scoring_system": "epss", "scoring_elements": "0.16524", "published_at": "2026-04-09T12:55:00Z" }, { "value": "0.00052", "scoring_system": "epss", "scoring_elements": "0.16464", "published_at": "2026-04-08T12:55:00Z" }, { "value": "0.00052", "scoring_system": "epss", "scoring_elements": "0.16517", "published_at": "2026-04-02T12:55:00Z" }, { "value": "0.00057", "scoring_system": "epss", "scoring_elements": "0.17721", "published_at": "2026-04-29T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-4923" }, { "reference_url": "https://cna.openjsf.org/security-advisories.html", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.9", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "MODERATE", "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/2026-03-27T13:46:47Z/" } ], "url": "https://cna.openjsf.org/security-advisories.html" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-4923", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-4923" }, { "reference_url": "https://github.com/pillarjs/path-to-regexp", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.9", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/pillarjs/path-to-regexp" }, { "reference_url": "https://github.com/pillarjs/path-to-regexp/security/advisories/GHSA-27v5-c462-wpq7", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.9", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "MODERATE", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/pillarjs/path-to-regexp/security/advisories/GHSA-27v5-c462-wpq7" }, { "reference_url": "https://makenowjust-labs.github.io/recheck/playground", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.9", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://makenowjust-labs.github.io/recheck/playground" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2026-4923", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.9", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-4923" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1132020", "reference_id": "1132020", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1132020" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2451860", "reference_id": "2451860", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2451860" }, { "reference_url": "https://github.com/advisories/GHSA-27v5-c462-wpq7", "reference_id": "GHSA-27v5-c462-wpq7", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-27v5-c462-wpq7" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/994731?format=api", "purl": "pkg:deb/debian/node-path-to-regexp@8.4.1-1", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/node-path-to-regexp@8.4.1-1" } ], "aliases": [ "CVE-2026-4923", "GHSA-27v5-c462-wpq7" ], "risk_score": 3.1, "exploitability": "0.5", "weighted_severity": "6.2", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-366w-k4rs-v7d3" } ], "risk_score": null, "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/node-path-to-regexp@8.4.1-1" }