{"url":"http://public2.vulnerablecode.io/api/packages/169588?format=json","purl":"pkg:gem/rack-cors@0.2.0","type":"gem","namespace":"","name":"rack-cors","version":"0.2.0","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"2.0.2","latest_non_vulnerable_version":"2.0.2","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/47122?format=json","vulnerability_id":"VCID-scqy-weyq-y3b9","summary":"Rack CORS Middleware has Insecure File Permissions\nrack-cors (aka Rack CORS Middleware) 2.0.1 has 0666 permissions for the .rb files.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-27456.json","reference_id":"","reference_type":"","scores":[{"value":"7.8","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-27456.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2024-27456","reference_id":"","reference_type":"","scores":[{"value":"0.00152","scoring_system":"epss","scoring_elements":"0.35554","published_at":"2026-06-09T12:55:00Z"},{"value":"0.00152","scoring_system":"epss","scoring_elements":"0.35604","published_at":"2026-06-05T12:55:00Z"},{"value":"0.00152","scoring_system":"epss","scoring_elements":"0.35538","published_at":"2026-06-08T12:55:00Z"},{"value":"0.00152","scoring_system":"epss","scoring_elements":"0.35577","published_at":"2026-06-07T12:55:00Z"},{"value":"0.00152","scoring_system":"epss","scoring_elements":"0.35615","published_at":"2026-06-06T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2024-27456"},{"reference_url":"https://github.com/cyu/rack-cors","reference_id":"","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/cyu/rack-cors"},{"reference_url":"https://github.com/cyu/rack-cors/blob/878063987bd1ca956282dda95697fd821bf24d2e/CHANGELOG.md#changed","reference_id":"","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/cyu/rack-cors/blob/878063987bd1ca956282dda95697fd821bf24d2e/CHANGELOG.md#changed"},{"reference_url":"https://github.com/cyu/rack-cors/issues/274","reference_id":"","reference_type":"","scores":[{"value":"9.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"},{"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/2024-08-02T18:52:41Z/"}],"url":"https://github.com/cyu/rack-cors/issues/274"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=2266156","reference_id":"2266156","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2266156"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2024-27456","reference_id":"CVE-2024-27456","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-27456"},{"reference_url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack-cors/CVE-2024-27456.yml","reference_id":"CVE-2024-27456.YML","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack-cors/CVE-2024-27456.yml"},{"reference_url":"https://github.com/advisories/GHSA-785g-282q-pwvx","reference_id":"GHSA-785g-282q-pwvx","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-785g-282q-pwvx"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/107880?format=json","purl":"pkg:gem/rack-cors@2.0.2","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:gem/rack-cors@2.0.2"}],"aliases":["CVE-2024-27456","GHSA-785g-282q-pwvx"],"risk_score":4.1,"exploitability":"0.5","weighted_severity":"8.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-scqy-weyq-y3b9"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/38667?format=json","vulnerability_id":"VCID-ue13-xmm4-nuaw","summary":"Improper Access Control\nMissing anchor in generated regex for rack-cors allows a malicious third-party site to perform CORS requests. If the configuration were intended to allow only the trusted `example.com` domain name and not the malicious `example.net` domain name, then `example.com.example.net` (as well as `example.com-example.net)` would be inadvertently allowed.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2017-11173","reference_id":"","reference_type":"","scores":[{"value":"0.0175","scoring_system":"epss","scoring_elements":"0.82903","published_at":"2026-06-04T12:55:00Z"},{"value":"0.0175","scoring_system":"epss","scoring_elements":"0.82931","published_at":"2026-06-09T12:55:00Z"},{"value":"0.0175","scoring_system":"epss","scoring_elements":"0.82918","published_at":"2026-06-08T12:55:00Z"},{"value":"0.0175","scoring_system":"epss","scoring_elements":"0.82926","published_at":"2026-06-07T12:55:00Z"},{"value":"0.0175","scoring_system":"epss","scoring_elements":"0.82929","published_at":"2026-06-06T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2017-11173"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11173","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11173"},{"reference_url":"http://seclists.org/fulldisclosure/2017/Jul/22","reference_id":"","reference_type":"","scores":[{"value":"8.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"http://seclists.org/fulldisclosure/2017/Jul/22"},{"reference_url":"https://github.com/cyu/rack-cors","reference_id":"","reference_type":"","scores":[{"value":"8.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/cyu/rack-cors"},{"reference_url":"https://github.com/cyu/rack-cors/commit/42ebe6caa8e85ffa9c8a171bda668ba1acc7a5e6","reference_id":"","reference_type":"","scores":[{"value":"8.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/cyu/rack-cors/commit/42ebe6caa8e85ffa9c8a171bda668ba1acc7a5e6"},{"reference_url":"https://github.com/cyu/rack-cors/issues/86","reference_id":"","reference_type":"","scores":[{"value":"8.8","scoring_system":"cvssv3","scoring_elements":""}],"url":"https://github.com/cyu/rack-cors/issues/86"},{"reference_url":"https://packetstormsecurity.com/files/143345/rack-cors-Missing-Anchor.html","reference_id":"","reference_type":"","scores":[{"value":"8.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://packetstormsecurity.com/files/143345/rack-cors-Missing-Anchor.html"},{"reference_url":"http://www.debian.org/security/2017/dsa-3931","reference_id":"","reference_type":"","scores":[{"value":"8.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"http://www.debian.org/security/2017/dsa-3931"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2017-11173","reference_id":"CVE-2017-11173","reference_type":"","scores":[{"value":"8.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-11173"},{"reference_url":"https://github.com/advisories/GHSA-2j9c-9vmv-7m39","reference_id":"GHSA-2j9c-9vmv-7m39","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-2j9c-9vmv-7m39"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/53723?format=json","purl":"pkg:gem/rack-cors@0.4.1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-scqy-weyq-y3b9"},{"vulnerability":"VCID-yfs4-uz6y-bkds"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:gem/rack-cors@0.4.1"}],"aliases":["CVE-2017-11173","GHSA-2j9c-9vmv-7m39"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-ue13-xmm4-nuaw"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/51469?format=json","vulnerability_id":"VCID-yfs4-uz6y-bkds","summary":"rack-cors directory traversal via path\nAn issue was discovered in the rack-cors (aka Rack CORS Middleware) gem\nbefore 1.0.4 for Ruby. It allows ../ directory traversal to access private resources\nbecause resource matching does not ensure that pathnames are in a canonical format.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2019-18978","reference_id":"","reference_type":"","scores":[{"value":"0.00777","scoring_system":"epss","scoring_elements":"0.74","published_at":"2026-06-04T12:55:00Z"},{"value":"0.00777","scoring_system":"epss","scoring_elements":"0.74024","published_at":"2026-06-07T12:55:00Z"},{"value":"0.00777","scoring_system":"epss","scoring_elements":"0.74038","published_at":"2026-06-06T12:55:00Z"},{"value":"0.00777","scoring_system":"epss","scoring_elements":"0.74033","published_at":"2026-06-09T12:55:00Z"},{"value":"0.00777","scoring_system":"epss","scoring_elements":"0.74007","published_at":"2026-06-08T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2019-18978"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18978","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18978"},{"reference_url":"https://github.com/cyu/rack-cors","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/cyu/rack-cors"},{"reference_url":"https://github.com/cyu/rack-cors/commit/e4d4fc362a4315808927011cbe5afcfe5486f17d","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3","scoring_elements":""},{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/cyu/rack-cors/commit/e4d4fc362a4315808927011cbe5afcfe5486f17d"},{"reference_url":"https://github.com/cyu/rack-cors/compare/v1.0.3...v1.0.4","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/cyu/rack-cors/compare/v1.0.3...v1.0.4"},{"reference_url":"https://lists.debian.org/debian-lts-announce/2020/02/msg00004.html","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.debian.org/debian-lts-announce/2020/02/msg00004.html"},{"reference_url":"https://lists.debian.org/debian-lts-announce/2020/10/msg00000.html","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.debian.org/debian-lts-announce/2020/10/msg00000.html"},{"reference_url":"https://usn.ubuntu.com/4571-1","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://usn.ubuntu.com/4571-1"},{"reference_url":"https://usn.ubuntu.com/4571-1/","reference_id":"","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/4571-1/"},{"reference_url":"https://www.debian.org/security/2021/dsa-4918","reference_id":"","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://www.debian.org/security/2021/dsa-4918"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=944849","reference_id":"944849","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=944849"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2019-18978","reference_id":"CVE-2019-18978","reference_type":"","scores":[{"value":"5.3","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-18978"},{"reference_url":"https://github.com/advisories/GHSA-pf8f-w267-mq2h","reference_id":"GHSA-pf8f-w267-mq2h","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-pf8f-w267-mq2h"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/76192?format=json","purl":"pkg:gem/rack-cors@1.0.4","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:gem/rack-cors@1.0.4"}],"aliases":["CVE-2019-18978","GHSA-pf8f-w267-mq2h"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-yfs4-uz6y-bkds"}],"fixing_vulnerabilities":[],"risk_score":"4.1","resource_url":"http://public2.vulnerablecode.io/packages/pkg:gem/rack-cors@0.2.0"}