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nerability_id":"VCID-7f81-3s1y-sfec","summary":"sinatra does not validate expanded path matches\nSinatra before 2.2.0 does not validate that the expanded path matches public_dir when serving static files.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-29970.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:H/I:N/A:N"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-29970.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2022-29970","reference_id":"","reference_type":"","scores":[{"value":"0.00601","scoring_system":"epss","scoring_elements":"0.69568","published_at":"2026-04-29T12:55:00Z"},{"value":"0.00601","scoring_system":"epss","scoring_elements":"0.69564","published_at":"2026-04-26T12:55:00Z"},{"value":"0.00601","scoring_system":"epss","scoring_elements":"0.69557","published_at":"2026-04-24T12:55:00Z"},{"value":"0.00601","scoring_system":"epss","scoring_elements":"0.69504","published_at":"2026-04-21T12:55:00Z"},{"value":"0.00601","scoring_system":"epss","scoring_elements":"0.69524","published_at":"2026-04-18T12:55:00Z"},{"value":"0.00601","scoring_system":"epss","scoring_elements":"0.69515","published_at":"2026-04-16T12:55:00Z"},{"value":"0.00601","scoring_system":"epss","scoring_elements":"0.69476","published_at":"2026-04-13T12:55:00Z"},{"value":"0.00601","scoring_system":"epss","scoring_elements":"0.6949","published_at":"2026-04-12T12:55:00Z"},{"value":"0.00601","scoring_system":"epss","scoring_elements":"0.69505","published_at":"2026-04-11T12:55:00Z"},{"value":"0.00601","scoring_system":"epss","scoring_elements":"0.69421","published_at":"2026-04-02T12:55:00Z"},{"value":"0.00601","scoring_system":"epss","scoring_elements":"0.69438","published_at":"2026-04-04T12:55:00Z"},{"value":"0.00601","scoring_system":"epss","scoring_elements":"0.69483","published_at":"2026-04-09T12:55:00Z"},{"value":"0.00601","scoring_system":"epss","scoring_elements":"0.69417","published_at":"2026-04-07T12:55:00Z"},{"value":"0.00601","scoring_system":"epss","scoring_elements":"0.69468","published_at":"2026-04-08T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2022-29970"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-29970","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-29970"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","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:H/I:N/A:N"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://github.com/sinatra/sinatra","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:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/sinatra/sinatra"},{"reference_url":"https://github.com/sinatra/sinatra/pull/1683","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:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/sinatra/sinatra/pull/1683"},{"reference_url":"https://github.com/sinatra/sinatra/pull/1683/commits/462c3ca1db53ed3cfc394cf5948e9c948ad1c10e","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:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/sinatra/sinatra/pull/1683/commits/462c3ca1db53ed3cfc394cf5948e9c948ad1c10e"},{"reference_url":"https://github.com/skylightio/skylight-ruby/pull/294","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:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/skylightio/skylight-ruby/pull/294"},{"reference_url":"https://lists.debian.org/debian-lts-announce/2022/10/msg00034.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:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.debian.org/debian-lts-announce/2022/10/msg00034.html"},{"reference_url":"https://lists.debian.org/debian-lts-announce/2024/09/msg00020.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:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.debian.org/debian-lts-announce/2024/09/msg00020.html"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1014717","reference_id":"1014717","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1014717"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=2081096","reference_id":"2081096","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2081096"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2022-29970","reference_id":"CVE-2022-29970","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:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-29970"},{"reference_url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/sinatra/CVE-2022-29970.yml","reference_id":"CVE-2022-29970.YML","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:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/sinatra/CVE-2022-29970.yml"},{"reference_url":"https://github.com/advisories/GHSA-qp49-3pvw-x4m5","reference_id":"GHSA-qp49-3pvw-x4m5","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-qp49-3pvw-x4m5"},{"reference_url":"https://access.redhat.com/errata/RHSA-2022:2253","reference_id":"RHSA-2022:2253","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2022:2253"},{"reference_url":"https://access.redhat.com/errata/RHSA-2022:2255","reference_id":"RHSA-2022:2255","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2022:2255"},{"reference_url":"https://access.redhat.com/errata/RHSA-2022:2256","reference_id":"RHSA-2022:2256","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2022:2256"},{"reference_url":"https://access.redhat.com/errata/RHSA-2022:4587","reference_id":"RHSA-2022:4587","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2022:4587"},{"reference_url":"https://access.redhat.com/errata/RHSA-2022:4661","reference_id":"RHSA-2022:4661","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2022:4661"},{"reference_url":"https://access.redhat.com/errata/RHSA-2022:8506","reference_id":"RHSA-2022:8506","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2022:8506"},{"reference_url":"https://usn.ubuntu.com/7664-1/","reference_id":"USN-7664-1","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/7664-1/"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/995010?format=json","purl":"pkg:deb/debian/ruby-sinatra@3.0.5-3%2Bdeb12u1","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-vy9q-nvxx-yfh5"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/ruby-sinatra@3.0.5-3%252Bdeb12u1"}],"aliases":["CVE-2022-29970","GHSA-qp49-3pvw-x4m5"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-7f81-3s1y-sfec"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/53426?format=json","vulnerability_id":"VCID-k7su-xtsg-jyg9","summary":"Sinatra vulnerable to Reflected File Download attack\n### Description\nAn issue was discovered in Sinatra 2.0 before 2.2.3 and 3.0 before 3.0.4. An application is vulnerable to a reflected file download (RFD) attack that sets the Content-Disposition header of a response when the filename is derived from user-supplied input.\n\n### References\n* https://www.blackhat.com/docs/eu-14/materials/eu-14-Hafif-Reflected-File-Download-A-New-Web-Attack-Vector.pdf\n* https://github.com/advisories/GHSA-8x94-hmjh-97hq","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-45442.json","reference_id":"","reference_type":"","scores":[{"value":"8.8","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2022-45442.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2022-45442","reference_id":"","reference_type":"","scores":[{"value":"0.00299","scoring_system":"epss","scoring_elements":"0.53202","published_at":"2026-04-29T12:55:00Z"},{"value":"0.00299","scoring_system":"epss","scoring_elements":"0.53239","published_at":"2026-04-26T12:55:00Z"},{"value":"0.00299","scoring_system":"epss","scoring_elements":"0.53227","published_at":"2026-04-24T12:55:00Z"},{"value":"0.00299","scoring_system":"epss","scoring_elements":"0.53256","published_at":"2026-04-21T12:55:00Z"},{"value":"0.00299","scoring_system":"epss","scoring_elements":"0.53276","published_at":"2026-04-18T12:55:00Z"},{"value":"0.00317","scoring_system":"epss","scoring_elements":"0.5479","published_at":"2026-04-13T12:55:00Z"},{"value":"0.00317","scoring_system":"epss","scoring_elements":"0.54822","published_at":"2026-04-08T12:55:00Z"},{"value":"0.00317","scoring_system":"epss","scoring_elements":"0.54771","published_at":"2026-04-07T12:55:00Z"},{"value":"0.00317","scoring_system":"epss","scoring_elements":"0.54802","published_at":"2026-04-04T12:55:00Z"},{"value":"0.00317","scoring_system":"epss","scoring_elements":"0.54779","published_at":"2026-04-02T12:55:00Z"},{"value":"0.00317","scoring_system":"epss","scoring_elements":"0.54829","published_at":"2026-04-16T12:55:00Z"},{"value":"0.00317","scoring_system":"epss","scoring_elements":"0.54812","published_at":"2026-04-12T12:55:00Z"},{"value":"0.00317","scoring_system":"epss","scoring_elements":"0.5483","published_at":"2026-04-11T12:55:00Z"},{"value":"0.00317","scoring_system":"epss","scoring_elements":"0.54819","published_at":"2026-04-09T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2022-45442"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45442","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-45442"},{"reference_url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml","reference_id":"","reference_type":"","scores":[{"value":"7","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:L"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://github.com/advisories/GHSA-8x94-hmjh-97hq","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":""},{"value":"Track*","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-04-22T15:40:06Z/"}],"url":"https://github.com/advisories/GHSA-8x94-hmjh-97hq"},{"reference_url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/sinatra/CVE-2022-45442.yml","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/rubysec/ruby-advisory-db/blob/master/gems/sinatra/CVE-2022-45442.yml"},{"reference_url":"https://github.com/sinatra/sinatra","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/sinatra/sinatra"},{"reference_url":"https://github.com/sinatra/sinatra/commit/ea8fc9495a350f7551b39e3025bfcd06f49f363b","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":""},{"value":"Track*","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:T/P:M/B:A/M:M/D:R/2025-04-22T15:40:06Z/"}],"url":"https://github.com/sinatra/sinatra/commit/ea8fc9495a350f7551b39e3025bfcd06f49f363b"},{"reference_url":"https://github.com/sinatra/sinatra/security/advisories/GHSA-2x8x-jmrp-phxw","reference_id":"","reference_type":"","scores":[{"value":"8.8","scoring_system":"cvssv3","scoring_elements":""},{"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":"cvssv3.1_qr","scoring_elements":""},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track*","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:T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is vulnerable to ReDoS through ETag header value generation\nThere is a denial of service vulnerability in the `If-Match` and `If-None-Match` header parsing component of Sinatra, if the `etag` method is used when constructing the response and you are using Ruby < 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