{"id":"CVE-2022-41714","aliases":["EUVD-2022-7394","GHSA-p5g9-rjcf-95vj"],"status":"published","title":"fastest-json-copy 1.0.1 - Prototype Pollution","description":"fastest-json-copy version 1.0.1 allows an external attacker to edit or add new properties to an object. This is possible because the application does not correctly validate the incoming JSON keys, thus allowing the '__proto__' property to be edited.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00725,"percentile":0.54428,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1321"],"published":"2022-11-03T00:00:00Z","modified":"2026-10-28T02:31:00Z","affected":[{"source":"ghsa","ecosystem":"npm","package":"fastest-json-copy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.0.1"}]}]},{"source":"osv","ecosystem":"npm","package":"fastest-json-copy","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"1.0.1"}]}]}],"products":[{"vendor":"fastest-json-copy_project","product":"fastest-json-copy"}],"references":[{"url":"https://fluidattacks.com/advisories/guetta/","tags":["x_transferred","Exploit","Third Party Advisory","advisory"]},{"url":"https://github.com/streamich/fastest-json-copy","tags":["x_transferred","Product","package","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-41714","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-p5g9-rjcf-95vj"},{"url":"https://www.npmjs.com/","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/41xxx/CVE-2022-41714.json","tags":["advisory"]},{"url":"https://fluidattacks.com/advisories/guetta","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2022-41714","title":"fastest-json-copy 1.0.1 - Prototype Pollution","description":"fastest-json-copy version 1.0.1 allows an external attacker to edit or add new properties to an object. This is possible because the application does not correctly validate the incoming JSON keys, thus allowing the '__proto__' property to be edited.","status":"published","published":"2022-11-03T00:00:00Z","modified":"2025-12-03T19:58:57.437Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:34:27.640972Z"}],"euvd":[{"id":"EUVD-2022-7394","description":"fastest-json-copy version 1.0.1 allows an external attacker to edit or add new properties to an object. This is possible because the application does not correctly validate the incoming JSON keys, thus allowing the '__proto__' property to be edited.","status":"published","published":"2022-11-03T00:00:00Z","modified":"2025-12-03T19:58:57Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:49:10.321316Z"}],"ghsa":[{"id":"GHSA-p5g9-rjcf-95vj","title":"fastest-json-copy vulnerable to Prototype Pollution","description":"fastest-json-copy version 1.0.1 allows an external attacker to edit or add new properties to an object. This is possible because the application does not correctly validate the incoming JSON keys, thus allowing the `__proto__` property to be edited.","status":"published","published":"2022-11-04T12:00:25Z","modified":"2023-01-29T05:06:18Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:36:26.667347Z"}],"nvd":[{"id":"CVE-2022-41714","description":"fastest-json-copy version 1.0.1 allows an external attacker to edit or add new properties to an object. This is possible because the application does not correctly validate the incoming JSON keys, thus allowing the '__proto__' property to be edited.","status":"published","published":"2022-11-03T20:15:31.827Z","modified":"2026-06-17T05:03:41.74Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:07:31.504574Z"}],"osv":[{"id":"CVE-2022-41714","title":"fastest-json-copy 1.0.1 - Prototype Pollution","description":"fastest-json-copy version 1.0.1 allows an external attacker to edit or add new properties to an object. This is possible because the application does not correctly validate the incoming JSON keys, thus allowing the '__proto__' property to be edited.","status":"published","published":"2022-11-03T00:00:00Z","modified":"2026-10-28T02:31:00.558073094Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:26.860704Z"},{"id":"GHSA-p5g9-rjcf-95vj","title":"fastest-json-copy vulnerable to Prototype Pollution","description":"fastest-json-copy version 1.0.1 allows an external attacker to edit or add new properties to an object. This is possible because the application does not correctly validate the incoming JSON keys, thus allowing the `__proto__` property to be edited.","status":"published","published":"2022-11-04T12:00:25Z","modified":"2023-11-08T04:10:31.986374Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T15:46:52.534897Z"}]}}