{"url":"http://public2.vulnerablecode.io/api/packages/147673?format=json","purl":"pkg:pypi/tornado@6.5.4","type":"pypi","namespace":"","name":"tornado","version":"6.5.4","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"6.5.5","latest_non_vulnerable_version":"6.5.5","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/23864?format=json","vulnerability_id":"VCID-be89-uuxa-fyb5","summary":"Tornado is vulnerable to DoS due to too many multipart parts\nIn versions of Tornado prior to 6.5.5, the only limit on the number of parts in `multipart/form-data` is the `max_body_size` setting (default 100MB). Since parsing occurs synchronously on the main thread, this creates the possibility of denial-of-service due to the cost of parsing very large multipart bodies with many parts. \n\nTornado 6.5.5 introduces new limits on the size and complexity of multipart bodies, including a default limit of 100 parts per request. These limits are configurable if needed; see `tornado.httputil.ParseMultipartConfig`. It is also now possible to disable `multipart/form-data` parsing entirely if it is not required for the application.","references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-31958.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-2026-31958.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-31958","reference_id":"","reference_type":"","scores":[{"value":"0.0003","scoring_system":"epss","scoring_elements":"0.08472","published_at":"2026-04-04T12:55:00Z"},{"value":"0.0003","scoring_system":"epss","scoring_elements":"0.08476","published_at":"2026-04-11T12:55:00Z"},{"value":"0.0003","scoring_system":"epss","scoring_elements":"0.08482","published_at":"2026-04-09T12:55:00Z"},{"value":"0.0003","scoring_system":"epss","scoring_elements":"0.08464","published_at":"2026-04-08T12:55:00Z"},{"value":"0.0003","scoring_system":"epss","scoring_elements":"0.08419","published_at":"2026-04-02T12:55:00Z"},{"value":"0.0003","scoring_system":"epss","scoring_elements":"0.08392","published_at":"2026-04-07T12:55:00Z"},{"value":"0.00032","scoring_system":"epss","scoring_elements":"0.09182","published_at":"2026-04-16T12:55:00Z"},{"value":"0.00032","scoring_system":"epss","scoring_elements":"0.09304","published_at":"2026-04-12T12:55:00Z"},{"value":"0.00032","scoring_system":"epss","scoring_elements":"0.09181","published_at":"2026-04-18T12:55:00Z"},{"value":"0.00032","scoring_system":"epss","scoring_elements":"0.0929","published_at":"2026-04-13T12:55:00Z"},{"value":"0.00032","scoring_system":"epss","scoring_elements":"0.09299","published_at":"2026-04-29T12:55:00Z"},{"value":"0.00032","scoring_system":"epss","scoring_elements":"0.09337","published_at":"2026-04-26T12:55:00Z"},{"value":"0.00032","scoring_system":"epss","scoring_elements":"0.09383","published_at":"2026-04-24T12:55:00Z"},{"value":"0.00032","scoring_system":"epss","scoring_elements":"0.09332","published_at":"2026-04-21T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-31958"},{"reference_url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-31958","reference_id":"","reference_type":"","scores":[],"url":"https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-31958"},{"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:N/I:N/A:H"}],"url":"https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"},{"reference_url":"https://github.com/tornadoweb/tornado","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":"8.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/tornadoweb/tornado"},{"reference_url":"https://github.com/tornadoweb/tornado/commit/119a195e290c43ad2d63a2cf012c29d43d6ed839","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":"8.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/tornadoweb/tornado/commit/119a195e290c43ad2d63a2cf012c29d43d6ed839"},{"reference_url":"https://github.com/tornadoweb/tornado/releases/tag/v6.5.5","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":"8.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/tornadoweb/tornado/releases/tag/v6.5.5"},{"reference_url":"https://github.com/tornadoweb/tornado/security/advisories/GHSA-qjxf-f2mg-c6mc","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":"8.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"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/2026-03-12T19:55:43Z/"}],"url":"https://github.com/tornadoweb/tornado/security/advisories/GHSA-qjxf-f2mg-c6mc"},{"reference_url":"https://lists.debian.org/debian-lts-announce/2026/04/msg00000.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":"8.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://lists.debian.org/debian-lts-announce/2026/04/msg00000.html"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31958","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":"8.7","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31958"},{"reference_url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1130507","reference_id":"1130507","reference_type":"","scores":[],"url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1130507"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=2446765","reference_id":"2446765","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2446765"},{"reference_url":"https://github.com/advisories/GHSA-qjxf-f2mg-c6mc","reference_id":"GHSA-qjxf-f2mg-c6mc","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-qjxf-f2mg-c6mc"},{"reference_url":"https://access.redhat.com/errata/RHSA-2026:10184","reference_id":"RHSA-2026:10184","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2026:10184"},{"reference_url":"https://access.redhat.com/errata/RHSA-2026:11454","reference_id":"RHSA-2026:11454","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2026:11454"},{"reference_url":"https://access.redhat.com/errata/RHSA-2026:11493","reference_id":"RHSA-2026:11493","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2026:11493"},{"reference_url":"https://access.redhat.com/errata/RHSA-2026:11494","reference_id":"RHSA-2026:11494","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2026:11494"},{"reference_url":"https://access.redhat.com/errata/RHSA-2026:11495","reference_id":"RHSA-2026:11495","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2026:11495"},{"reference_url":"https://access.redhat.com/errata/RHSA-2026:8093","reference_id":"RHSA-2026:8093","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2026:8093"},{"reference_url":"https://usn.ubuntu.com/8198-1/","reference_id":"USN-8198-1","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/8198-1/"},{"reference_url":"https://usn.ubuntu.com/8198-2/","reference_id":"USN-8198-2","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/8198-2/"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/66661?format=json","purl":"pkg:pypi/tornado@6.5.5","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/tornado@6.5.5"}],"aliases":["CVE-2026-31958","GHSA-qjxf-f2mg-c6mc"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-be89-uuxa-fyb5"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/23702?format=json","vulnerability_id":"VCID-jbwv-ayru-8fgm","summary":"Tornado has incomplete validation of cookie attributes\nValues passed to the `domain`, `path`, and `samesite` arguments of `RequestHandler.set_cookie` were not completely validated in versions of Tornado prior to 6.5.5. In particular, semicolons would be allowed, which could be used to inject attacker-controlled values for other cookie attributes.","references":[{"reference_url":"https://github.com/tornadoweb/tornado","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/tornadoweb/tornado"},{"reference_url":"https://github.com/tornadoweb/tornado/commit/24a2d96ea115f663b223887deb0060f13974c104","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/tornadoweb/tornado/commit/24a2d96ea115f663b223887deb0060f13974c104"},{"reference_url":"https://github.com/tornadoweb/tornado/releases/tag/v6.5.5","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/tornadoweb/tornado/releases/tag/v6.5.5"},{"reference_url":"https://github.com/tornadoweb/tornado/security/advisories/GHSA-78cv-mqj4-43f7","reference_id":"","reference_type":"","scores":[{"value":"5.4","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N"},{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"MODERATE","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/tornadoweb/tornado/security/advisories/GHSA-78cv-mqj4-43f7"},{"reference_url":"https://github.com/advisories/GHSA-78cv-mqj4-43f7","reference_id":"GHSA-78cv-mqj4-43f7","reference_type":"","scores":[{"value":"MODERATE","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-78cv-mqj4-43f7"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/66661?format=json","purl":"pkg:pypi/tornado@6.5.5","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/tornado@6.5.5"}],"aliases":["GHSA-78cv-mqj4-43f7"],"risk_score":3.1,"exploitability":"0.5","weighted_severity":"6.2","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-jbwv-ayru-8fgm"}],"fixing_vulnerabilities":[],"risk_score":"4.0","resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/tornado@6.5.4"}