{"id":"CVE-2017-1000048","aliases":["AZL-45075","CLSA-2026-1771459792","CLSA-2026-1773101688","CLSA-2026-1773101691","CLSA-2026-1773188136","CLSA-2026-1773274549","CLSA-2026-1773274550","CLSA-2026-1775694706","CLSA-2026-1784509773","CLSA-2026-1784509812","CLSA-2026-1784596277","CLSA-2026-1791373797","CLSA-2026-1792476180","CLSA-2026-1793015893","EUVD-2020-0380","GHSA-gqgv-6jq5-jjj9","RHSA-2017:2672","ROOT-APP-NPM-CVE-2017-1000048"],"status":"published","title":"Prototype Pollution Protection Bypass in qs","description":"the web framework using ljharb's qs module older than v6.3.2, v6.2.3, v6.1.2, and v6.0.4 is vulnerable to a DoS. A malicious user can send a evil request to cause the web framework crash.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.02415,"percentile":0.84232,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2017-07-13T20:00:00Z","modified":"2026-11-05T05:36:30Z","fixes":[{"ecosystem":"npm","package":"qs","fixed_in":["6.0.4","6.1.2","6.2.3","6.3.2"],"sources":["ghsa","osv"]},{"ecosystem":"TuxCare:npm","package":"qs","fixed_in":["2.4.2-tuxcare.2","3.1.0-tuxcare.1","2.2.4-tuxcare.1"],"sources":["osv"]},{"ecosystem":"Red Hat:rhel_software_collections:2::el6","package":"rh-nodejs6-nodejs-qs","fixed_in":["0:6.2.3-1.el6"],"sources":["osv"]},{"ecosystem":"Red Hat:rhel_software_collections:2::el7","package":"rh-nodejs6-nodejs-qs","fixed_in":["0:6.2.3-1.el7"],"sources":["osv"]},{"ecosystem":"Root:npm","package":"@rootio/qs","fixed_in":["4.0.0-root.io.1"],"sources":["osv"]},{"ecosystem":"Root:npm","package":"qs","fixed_in":["4.0.0-aikido.1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.4"}]}]},{"source":"ghsa","ecosystem":"npm","package":"qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.1.0"},{"fixed":"6.1.2"}]}]},{"source":"ghsa","ecosystem":"npm","package":"qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.2.3"}]}]},{"source":"ghsa","ecosystem":"npm","package":"qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.3.0"},{"fixed":"6.3.2"}]}]},{"source":"osv","ecosystem":"Azure Linux:3","package":"nodejs-nodemon","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.0.3-5"}]}]},{"source":"osv","ecosystem":"TuxCare:npm","package":"qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.2.2-tuxcare.0"},{"fixed":"1.2.2-tuxcare.1"}]}],"versions":["1.2.2"],"bundled":2},{"source":"osv","ecosystem":"TuxCare:npm","package":"qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.2.0-tuxcare.0"},{"fixed":"5.2.0-tuxcare.1"}]}],"versions":["5.2.0"],"bundled":3},{"source":"osv","ecosystem":"TuxCare:npm","package":"qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.1.0-tuxcare.0"},{"fixed":"5.1.0-tuxcare.1"}]}],"versions":["5.1.0"],"bundled":3},{"source":"osv","ecosystem":"TuxCare:npm","package":"qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.4.2-tuxcare.0"},{"fixed":"2.4.2-tuxcare.2"}]}],"versions":["2.4.2","2.4.2-tuxcare.1"]},{"source":"osv","ecosystem":"TuxCare:npm","package":"qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.2.5-tuxcare.0"},{"fixed":"2.2.5-tuxcare.1"}]}],"versions":["2.2.5"],"bundled":2},{"source":"osv","ecosystem":"TuxCare:npm","package":"qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.3.3-tuxcare.0"},{"fixed":"2.3.3-tuxcare.1"}]}],"versions":["2.3.3"],"bundled":3},{"source":"osv","ecosystem":"TuxCare:npm","package":"qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.5.1-tuxcare.0"},{"fixed":"0.5.1-tuxcare.1"}]}],"versions":["0.5.1"],"bundled":4},{"source":"osv","ecosystem":"TuxCare:npm","package":"qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.2.1-tuxcare.0"},{"fixed":"5.2.1-tuxcare.1"}]}],"versions":["5.2.1"],"bundled":2},{"source":"osv","ecosystem":"TuxCare:npm","package":"qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.1.0-tuxcare.0"},{"fixed":"3.1.0-tuxcare.1"}]}],"versions":["3.1.0"]},{"source":"osv","ecosystem":"TuxCare:npm","package":"qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.2.4-tuxcare.0"},{"fixed":"2.2.4-tuxcare.1"}]}],"versions":["2.2.4"]},{"source":"osv","ecosystem":"TuxCare:npm","package":"qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.6.5-tuxcare.0"},{"fixed":"0.6.5-tuxcare.1"}]}],"versions":["0.6.5"],"bundled":5},{"source":"osv","ecosystem":"TuxCare:npm","package":"qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.2.1-tuxcare.0"},{"fixed":"6.2.1-tuxcare.1"}]}],"versions":["6.2.1"],"bundled":4},{"source":"osv","ecosystem":"TuxCare:npm","package":"qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.4.2-tuxcare.0"},{"fixed":"0.4.2-tuxcare.1"}]}],"versions":["0.4.2"],"bundled":5},{"source":"osv","ecosystem":"npm","package":"qs","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"6.0.4"}]}]},{"source":"osv","ecosystem":"npm","package":"qs","ranges":[{"type":"SEMVER","events":[{"introduced":"6.1.0"},{"fixed":"6.1.2"}]}]},{"source":"osv","ecosystem":"npm","package":"qs","ranges":[{"type":"SEMVER","events":[{"introduced":"6.2.0"},{"fixed":"6.2.3"}]}]},{"source":"osv","ecosystem":"npm","package":"qs","ranges":[{"type":"SEMVER","events":[{"introduced":"6.3.0"},{"fixed":"6.3.2"}]}]},{"source":"osv","ecosystem":"Red Hat:rhel_software_collections:2::el6","package":"rh-nodejs6-nodejs-qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:6.2.3-1.el6"}]}]},{"source":"osv","ecosystem":"Red Hat:rhel_software_collections:2::el7","package":"rh-nodejs6-nodejs-qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:6.2.3-1.el7"}]}]},{"source":"osv","ecosystem":"Root:npm","package":"@rootio/qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.0-root.io.1"}]}]},{"source":"osv","ecosystem":"Root:npm","package":"qs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.0-aikido.1"}]}]}],"products":[{"vendor":"qs_project","product":"qs"}],"references":[{"url":"https://github.com/ljharb/qs/issues/200","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://access.redhat.com/errata/RHSA-2017:2672","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-1000048","tags":["web","advisory"]},{"url":"https://github.com/ljharb/qs/commit/beade029171b8cef9cee0d03ebe577e2dd84976d","tags":["web"]},{"url":"https://snyk.io/vuln/npm:qs:20170213","tags":["web","article"]},{"url":"https://www.npmjs.com/advisories/1469","tags":["web"]},{"url":"https://github.com/advisories/GHSA-gqgv-6jq5-jjj9"},{"url":"https://github.com/ljharb/qs","tags":["package"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1427872","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2017/rhsa-2017_2672.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2017-1000048","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-1000048","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2017-1000048","description":"the web framework using ljharb's qs module older than v6.3.2, v6.2.3, v6.1.2, and v6.0.4 is vulnerable to a DoS. A malicious user can send a evil request to cause the web framework crash.","status":"published","published":"2017-07-13T20:00:00Z","modified":"2024-08-05T21:53:06.342Z","updated_at":"2026-11-02T14:33:21.142987Z"}],"euvd":[{"id":"EUVD-2020-0380","description":"the web framework using ljharb's qs module older than v6.3.2, v6.2.3, v6.1.2, and v6.0.4 is vulnerable to a DoS. A malicious user can send a evil request to cause the web framework crash.","status":"published","published":"2017-07-13T20:00:00Z","modified":"2024-08-05T21:53:06Z","updated_at":"2026-11-03T02:23:03.593375Z"}],"ghsa":[{"id":"GHSA-gqgv-6jq5-jjj9","title":"Prototype Pollution Protection Bypass in qs","description":"Affected version of `qs` are vulnerable to Prototype Pollution because it is possible to bypass the protection. The `qs.parse` function fails to properly prevent an object's prototype to be altered when parsing arbitrary input. Input containing `[` or `]` may bypass the prototype pollution protection and alter the Object prototype. This allows attackers to override properties that will exist in all objects, which may lead to Denial of Service or Remote Code Execution in specific circumstances.\n\n\n## Recommendation\n\nUpgrade to 6.0.4, 6.1.2, 6.2.3, 6.3.2 or later.","status":"published","published":"2020-04-30T17:16:47Z","modified":"2023-01-09T05:02:30Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:36:03.040255Z"}],"nvd":[{"id":"CVE-2017-1000048","description":"the web framework using ljharb's qs module older than v6.3.2, v6.2.3, v6.1.2, and v6.0.4 is vulnerable to a DoS. A malicious user can send a evil request to cause the web framework crash.","status":"published","published":"2017-07-17T13:18:17.453Z","modified":"2026-06-17T00:58:38.87Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:03:54.012105Z"}],"osv":[{"id":"AZL-45075","title":"CVE-2017-1000048 affecting package nodejs-nodemon 2.0.3-5","description":"the web framework using ljharb's qs module older than v6.3.2, v6.2.3, v6.1.2, and v6.0.4 is vulnerable to a DoS. A malicious user can send a evil request to cause the web framework crash.","status":"published","published":"2017-07-17T13:18:17Z","modified":"2026-11-05T05:36:30Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-05T16:41:20.321068Z"},{"id":"CVE-2017-1000048","description":"the web framework using ljharb's qs module older than v6.3.2, v6.2.3, v6.1.2, and v6.0.4 is vulnerable to a DoS. A malicious user can send a evil request to cause the web framework crash.","status":"published","published":"2017-07-17T13:18:17.453Z","modified":"2026-10-20T10:47:33.091689171Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:03.472693Z"},{"id":"GHSA-gqgv-6jq5-jjj9","title":"Prototype Pollution Protection Bypass in qs","description":"Affected version of `qs` are vulnerable to Prototype Pollution because it is possible to bypass the protection. The `qs.parse` function fails to properly prevent an object's prototype to be altered when parsing arbitrary input. Input containing `[` or `]` may bypass the prototype pollution protection and alter the Object prototype. This allows attackers to override properties that will exist in all objects, which may lead to Denial of Service or Remote Code Execution in specific circumstances.\n\n\n## Recommendation\n\nUpgrade to 6.0.4, 6.1.2, 6.2.3, 6.3.2 or later.","status":"published","published":"2020-04-30T17:16:47Z","modified":"2023-11-08T03:58:42.086259Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:46:48.191583Z"},{"id":"RHSA-2017:2672","title":"Red Hat Security Advisory: rh-nodejs6-nodejs-qs security update","status":"published","published":"2024-09-13T14:41:27Z","modified":"2026-06-29T10:17:38Z","cvss":[{"version":"3.0","score":5.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:53:04.262457Z"},{"id":"CLSA-2026-1771459792","title":"TuxCare security update for qs (2 CVEs)","description":"TuxCare rebuilt qs to address 2 CVEs. Fixed in 1.2.2-tuxcare.1.","status":"published","published":"2026-08-04T14:52:07Z","modified":"2026-10-15T19:13:05.213442374Z","updated_at":"2026-11-02T15:43:43.249928Z"},{"id":"CLSA-2026-1773101688","title":"TuxCare security update for qs (3 CVEs)","description":"TuxCare rebuilt qs to address 3 CVEs. Fixed in 5.2.0-tuxcare.1.","status":"published","published":"2026-08-04T14:52:11Z","modified":"2026-10-15T09:45:42.701636071Z","updated_at":"2026-11-02T15:43:43.249928Z"},{"id":"CLSA-2026-1773101691","title":"TuxCare security update for qs (3 CVEs)","description":"TuxCare rebuilt qs to address 3 CVEs. Fixed in 5.1.0-tuxcare.1.","status":"published","published":"2026-08-04T14:52:11Z","modified":"2026-10-15T09:45:26.572797183Z","updated_at":"2026-11-02T15:43:43.249928Z"},{"id":"CLSA-2026-1773188136","title":"TuxCare security update for qs (1 CVE)","description":"TuxCare rebuilt qs to address 1 CVE. Fixed in 2.4.2-tuxcare.2.","status":"published","published":"2026-08-04T14:52:12Z","modified":"2026-10-15T09:47:28.166950729Z","updated_at":"2026-11-02T15:43:43.249928Z"},{"id":"CLSA-2026-1773274549","title":"TuxCare security update for qs (2 CVEs)","description":"TuxCare rebuilt qs to address 2 CVEs. Fixed in 2.2.5-tuxcare.1.","status":"published","published":"2026-08-04T14:52:12Z","modified":"2026-10-22T14:30:57.683173592Z","updated_at":"2026-11-02T15:43:43.621843Z"},{"id":"CLSA-2026-1773274550","title":"TuxCare security update for qs (3 CVEs)","description":"TuxCare rebuilt qs to address 3 CVEs. Fixed in 2.3.3-tuxcare.1.","status":"published","published":"2026-08-04T14:52:12Z","modified":"2026-10-15T09:47:28.76639633Z","updated_at":"2026-11-02T15:43:43.621843Z"},{"id":"CLSA-2026-1775694706","title":"TuxCare security update for qs (4 CVEs)","description":"TuxCare rebuilt qs to address 4 CVEs. Fixed in 0.5.1-tuxcare.1.","status":"published","published":"2026-08-04T14:52:23Z","modified":"2026-10-22T14:31:00.423552886Z","updated_at":"2026-11-02T15:43:44.009773Z"},{"id":"CLSA-2026-1784509773","title":"TuxCare security update for qs (2 CVEs)","description":"TuxCare rebuilt qs to address 2 CVEs. Fixed in 5.2.1-tuxcare.1.","status":"published","published":"2026-08-04T14:52:44Z","modified":"2026-10-15T09:45:58.786568003Z","updated_at":"2026-11-02T15:43:46.151924Z"},{"id":"CLSA-2026-1784509812","title":"TuxCare security update for qs (1 CVE)","description":"TuxCare rebuilt qs to address 1 CVE. Fixed in 3.1.0-tuxcare.1.","status":"published","published":"2026-08-04T14:52:45Z","modified":"2026-10-15T09:45:58.691834092Z","updated_at":"2026-11-02T15:43:46.151924Z"},{"id":"CLSA-2026-1784596277","title":"TuxCare security update for qs (1 CVE)","description":"TuxCare rebuilt qs to address 1 CVE. Fixed in 2.2.4-tuxcare.1.","status":"published","published":"2026-08-04T14:52:45Z","modified":"2026-10-15T19:13:11.740668325Z","updated_at":"2026-11-02T15:43:46.482572Z"},{"id":"CLSA-2026-1791373797","title":"TuxCare security update for qs (5 CVEs)","description":"TuxCare rebuilt qs to address 5 CVEs. Fixed in 0.6.5-tuxcare.1.","status":"published","published":"2026-10-07T11:49:57Z","modified":"2026-10-15T09:47:39.392238291Z","updated_at":"2026-11-02T15:43:49.016976Z"},{"id":"CLSA-2026-1792476180","title":"TuxCare security update for qs (4 CVEs)","description":"TuxCare rebuilt qs to address 4 CVEs. Fixed in 6.2.1-tuxcare.1.","status":"published","published":"2026-10-20T06:03:00Z","modified":"2026-10-20T07:15:09.283036707Z","updated_at":"2026-11-02T15:43:54.378946Z"},{"id":"CLSA-2026-1793015893","title":"TuxCare security update for qs (5 CVEs)","description":"TuxCare rebuilt qs to address 5 CVEs. Fixed in 0.4.2-tuxcare.1.","status":"published","published":"2026-10-26T11:58:13Z","modified":"2026-10-26T13:30:02.537397809Z","updated_at":"2026-11-02T15:43:54.981307Z"},{"id":"ROOT-APP-NPM-CVE-2017-1000048","title":"CVE-2017-1000048 in @rootio/qs - Patched by Root","description":"Root has patched CVE-2017-1000048 in the @rootio/qs package for Root:npm. Multiple fixed versions available.","status":"published","published":"2026-07-21T13:40:19Z","modified":"2026-07-21T18:45:22.610502159Z","updated_at":"2026-11-02T15:53:27.362922Z"}]}}