Package Instance
Lookup for vulnerable packages by Package URL.
GET /api/packages/75493?format=api
{ "url": "http://public2.vulnerablecode.io/api/packages/75493?format=api", "purl": "pkg:gem/json-jwt@0.5.1", "type": "gem", "namespace": "", "name": "json-jwt", "version": "0.5.1", "qualifiers": {}, "subpath": "", "is_vulnerable": true, "next_non_vulnerable_version": "1.15.3.1", "latest_non_vulnerable_version": "1.16.6", "affected_by_vulnerabilities": [ { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/51384?format=api", "vulnerability_id": "VCID-2bxg-m818-pydq", "summary": "json-jwt improper input validation due to lack of element count when splitting string\nThe json-jwt gem before 1.11.0 for Ruby lacks an element count during\nthe splitting of a JWE string.", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2019-18848", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00207", "scoring_system": "epss", "scoring_elements": "0.42961", "published_at": "2026-06-04T12:55:00Z" }, { "value": "0.00207", "scoring_system": "epss", "scoring_elements": "0.42996", "published_at": "2026-06-09T12:55:00Z" }, { "value": "0.00207", "scoring_system": "epss", "scoring_elements": "0.42986", "published_at": "2026-06-08T12:55:00Z" }, { "value": "0.00207", "scoring_system": "epss", "scoring_elements": "0.43022", "published_at": "2026-06-07T12:55:00Z" }, { "value": "0.00207", "scoring_system": "epss", "scoring_elements": "0.43042", "published_at": "2026-06-06T12:55:00Z" }, { "value": "0.00207", "scoring_system": "epss", "scoring_elements": "0.43034", "published_at": "2026-06-05T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2019-18848" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18848", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18848" }, { "reference_url": "https://github.com/nov/json-jwt", "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:H/A:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/nov/json-jwt" }, { "reference_url": "https://github.com/nov/json-jwt/commit/ada16e772906efdd035e3df49cb2ae372f0f948a", "reference_id": "", "reference_type": "", "scores": [ { "value": "7.5", "scoring_system": "cvssv3", "scoring_elements": "" }, { "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:H/A:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/nov/json-jwt/commit/ada16e772906efdd035e3df49cb2ae372f0f948a" }, { "reference_url": "https://github.com/nov/json-jwt/compare/v1.10.2...v1.11.0", "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:H/A:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/nov/json-jwt/compare/v1.10.2...v1.11.0" }, { "reference_url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/json-jwt/CVE-2019-18848.yml", "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:H/A:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/json-jwt/CVE-2019-18848.yml" }, { "reference_url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00001.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:H/A:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://lists.debian.org/debian-lts-announce/2020/10/msg00001.html" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=944850", "reference_id": "944850", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=944850" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2019-18848", "reference_id": "CVE-2019-18848", "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:H/A:N" }, { "value": "HIGH", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-18848" }, { "reference_url": "https://github.com/advisories/GHSA-cff7-6h4q-q5pj", "reference_id": "GHSA-cff7-6h4q-q5pj", "reference_type": "", "scores": [ { "value": "HIGH", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-cff7-6h4q-q5pj" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/76171?format=api", "purl": "pkg:gem/json-jwt@1.11.0", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-acf2-s33f-jydf" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/json-jwt@1.11.0" } ], "aliases": [ "CVE-2019-18848", "GHSA-cff7-6h4q-q5pj" ], "risk_score": 4.0, "exploitability": "0.5", "weighted_severity": "8.0", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-2bxg-m818-pydq" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/47171?format=api", "vulnerability_id": "VCID-acf2-s33f-jydf", "summary": "json-jwt allows bypass of identity checks via a sign/encryption confusion attack\nThe json-jwt (aka JSON::JWT) gem 1.16.x before 1.16.6, 1.15.x before 1.15.3.1 for Ruby sometimes allows bypass of identity checks via a sign/encryption confusion attack. For example, JWE can sometimes be used to bypass JSON::JWT.decode.", "references": [ { "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-51774.json", "reference_id": "", "reference_type": "", "scores": [ { "value": "6.5", "scoring_system": "cvssv3", "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N" } ], "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-51774.json" }, { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2023-51774", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.00011", "scoring_system": "epss", "scoring_elements": "0.014", "published_at": "2026-06-09T12:55:00Z" }, { "value": "0.00011", "scoring_system": "epss", "scoring_elements": "0.01403", "published_at": "2026-06-05T12:55:00Z" }, { "value": "0.00011", "scoring_system": "epss", "scoring_elements": "0.01407", "published_at": "2026-06-06T12:55:00Z" }, { "value": "0.00011", "scoring_system": "epss", "scoring_elements": "0.01408", "published_at": "2026-06-07T12:55:00Z" }, { "value": "0.00011", "scoring_system": "epss", "scoring_elements": "0.01401", "published_at": "2026-06-08T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2023-51774" }, { "reference_url": "https://github.com/nov/json-jwt", "reference_id": "", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/nov/json-jwt" }, { "reference_url": "https://github.com/nov/json-jwt/commit/593ea8bcaf2629048bad8c036191f2da0a2e713c", "reference_id": "", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/nov/json-jwt/commit/593ea8bcaf2629048bad8c036191f2da0a2e713c" }, { "reference_url": "https://github.com/nov/json-jwt/commit/9c4d842a9465bd7960570ca326c3de79b4abc9d0", "reference_id": "", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/nov/json-jwt/commit/9c4d842a9465bd7960570ca326c3de79b4abc9d0" }, { "reference_url": "https://github.com/nov/json-jwt/issues/120", "reference_id": "", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/nov/json-jwt/issues/120" }, { "reference_url": "https://github.com/nov/json-jwt/issues/121", "reference_id": "", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/nov/json-jwt/issues/121" }, { "reference_url": "https://github.com/P3ngu1nW/CVE_Request/blob/main/novjson-jwt.md", "reference_id": "", "reference_type": "", "scores": [ { "value": "8.4", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" }, { "value": "Track*", "scoring_system": "ssvc", "scoring_elements": "SSVCv2/E:P/A:N/T:T/P:M/B:A/M:M/D:R/2024-08-26T20:08:13Z/" } ], "url": "https://github.com/P3ngu1nW/CVE_Request/blob/main/novjson-jwt.md" }, { "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2266922", "reference_id": "2266922", "reference_type": "", "scores": [], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2266922" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2023-51774", "reference_id": "CVE-2023-51774", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-51774" }, { "reference_url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/json-jwt/CVE-2023-51774.yml", "reference_id": "CVE-2023-51774.YML", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/json-jwt/CVE-2023-51774.yml" }, { "reference_url": "https://github.com/advisories/GHSA-c8v6-786g-vjx6", "reference_id": "GHSA-c8v6-786g-vjx6", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-c8v6-786g-vjx6" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/69217?format=api", "purl": "pkg:gem/json-jwt@1.15.3.1", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/json-jwt@1.15.3.1" }, { "url": "http://public2.vulnerablecode.io/api/packages/69216?format=api", "purl": "pkg:gem/json-jwt@1.16.6", "is_vulnerable": false, "affected_by_vulnerabilities": [], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/json-jwt@1.16.6" } ], "aliases": [ "CVE-2023-51774", "GHSA-c8v6-786g-vjx6" ], "risk_score": 3.8, "exploitability": "0.5", "weighted_severity": "7.6", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-acf2-s33f-jydf" }, { "url": "http://public2.vulnerablecode.io/api/vulnerabilities/40022?format=api", "vulnerability_id": "VCID-jwar-cch4-v3c8", "summary": "Improper Verification of Cryptographic Signature\n`json-jwt` is vulnerable to improper verification of cryptographic signatures when decrypting AES-GCM encrypted JSON Web Tokens. This can result in an attacker being able to forge an authentication tag.", "references": [ { "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2018-1000539", "reference_id": "", "reference_type": "", "scores": [ { "value": "0.0014", "scoring_system": "epss", "scoring_elements": "0.33742", "published_at": "2026-06-04T12:55:00Z" }, { "value": "0.0014", "scoring_system": "epss", "scoring_elements": "0.33819", "published_at": "2026-06-09T12:55:00Z" }, { "value": "0.0014", "scoring_system": "epss", "scoring_elements": "0.33794", "published_at": "2026-06-08T12:55:00Z" }, { "value": "0.0014", "scoring_system": "epss", "scoring_elements": "0.33828", "published_at": "2026-06-07T12:55:00Z" }, { "value": "0.0014", "scoring_system": "epss", "scoring_elements": "0.33862", "published_at": "2026-06-06T12:55:00Z" }, { "value": "0.0014", "scoring_system": "epss", "scoring_elements": "0.33847", "published_at": "2026-06-05T12:55:00Z" } ], "url": "https://api.first.org/data/v1/epss?cve=CVE-2018-1000539" }, { "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000539", "reference_id": "", "reference_type": "", "scores": [], "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1000539" }, { "reference_url": "https://github.com/nov/json-jwt", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/nov/json-jwt" }, { "reference_url": "https://github.com/nov/json-jwt/commit/a3b2147f0f6d9aca653e7a30e453d3a92b33413f", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/nov/json-jwt/commit/a3b2147f0f6d9aca653e7a30e453d3a92b33413f" }, { "reference_url": "https://github.com/nov/json-jwt/pull/62", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3", "scoring_elements": "" }, { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/nov/json-jwt/pull/62" }, { "reference_url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/json-jwt/CVE-2018-1000539.yml", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/json-jwt/CVE-2018-1000539.yml" }, { "reference_url": "https://www.debian.org/security/2018/dsa-4283", "reference_id": "", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://www.debian.org/security/2018/dsa-4283" }, { "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=902721", "reference_id": "902721", "reference_type": "", "scores": [], "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=902721" }, { "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2018-1000539", "reference_id": "CVE-2018-1000539", "reference_type": "", "scores": [ { "value": "5.3", "scoring_system": "cvssv3.1", "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N" }, { "value": "MODERATE", "scoring_system": "generic_textual", "scoring_elements": "" } ], "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-1000539" }, { "reference_url": "https://github.com/advisories/GHSA-mj4x-wcxf-hm8x", "reference_id": "GHSA-mj4x-wcxf-hm8x", "reference_type": "", "scores": [ { "value": "MODERATE", "scoring_system": "cvssv3.1_qr", "scoring_elements": "" } ], "url": "https://github.com/advisories/GHSA-mj4x-wcxf-hm8x" } ], "fixed_packages": [ { "url": "http://public2.vulnerablecode.io/api/packages/55970?format=api", "purl": "pkg:gem/json-jwt@1.9.4", "is_vulnerable": true, "affected_by_vulnerabilities": [ { "vulnerability": "VCID-2bxg-m818-pydq" }, { "vulnerability": "VCID-acf2-s33f-jydf" } ], "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/json-jwt@1.9.4" } ], "aliases": [ "CVE-2018-1000539", "GHSA-mj4x-wcxf-hm8x" ], "risk_score": 3.1, "exploitability": "0.5", "weighted_severity": "6.2", "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-jwar-cch4-v3c8" } ], "fixing_vulnerabilities": [], "risk_score": "4.0", "resource_url": "http://public2.vulnerablecode.io/packages/pkg:gem/json-jwt@0.5.1" }