{"id":"CVE-2026-46509","aliases":["EUVD-2026-32976","GHSA-x7q7-fchv-8h2j"],"status":"published","title":"deepobj: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')","description":"deepobj provides get, set, delete deep objects in javascript. Prior to 1.0.3, prototype pollution is possible when property paths contain __proto__/constructor/prototype. The property path must not be exposed as user input. This vulnerability is fixed in 1.0.3.","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00316,"percentile":0.24861,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1321"],"published":"2026-05-14T20:55:24Z","modified":"2026-10-26T13:10:00Z","fixes":[{"ecosystem":"npm","package":"@ranfdev/deepobj","fixed_in":["1.0.3"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"@ranfdev/deepobj","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.0.2"},{"fixed":"1.0.3"}]}]},{"source":"osv","ecosystem":"npm","package":"@ranfdev/deepobj","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.0.3"}]}]}],"products":[{"vendor":"ranfdev","product":"deepobj"}],"references":[{"url":"https://github.com/ranfdev/deepobj/security/advisories/GHSA-x7q7-fchv-8h2j","tags":["x_refsource_CONFIRM","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46509","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-x7q7-fchv-8h2j"},{"url":"https://github.com/ranfdev/deepobj","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-46509","title":"deepobj: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')","description":"deepobj provides get, set, delete deep objects in javascript. Prior to 1.0.3, prototype pollution is possible when property paths contain __proto__/constructor/prototype. The property path must not be exposed as user input. This vulnerability is fixed in 1.0.3.","status":"published","published":"2026-05-28T17:52:51.541Z","modified":"2026-06-02T14:16:18.011Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T13:47:06.353366Z"}],"euvd":[{"id":"EUVD-2026-32976","description":"deepobj provides get, set, delete deep objects in javascript. Prior to 1.0.3, prototype pollution is possible when property paths contain __proto__/constructor/prototype. The property path must not be exposed as user input. This vulnerability is fixed in 1.0.3.","status":"published","published":"2026-05-28T17:52:51Z","modified":"2026-06-02T14:16:18Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L","level":"high"}],"updated_at":"2026-11-02T18:20:56.59039Z"}],"ghsa":[{"id":"GHSA-x7q7-fchv-8h2j","title":"@ranfdev/deepobj has a Prototype Pollution vulnerability","description":"### Impact\nPrototype pollution is possible when property paths contain `__proto__`/`constructor`/`prototype`. The property path must not be exposed as user input.","status":"published","published":"2026-05-14T20:55:24Z","modified":"2026-06-09T10:23:28Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L","level":"high"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:40:22.540562Z"}],"nvd":[{"id":"CVE-2026-46509","description":"deepobj provides get, set, delete deep objects in javascript. Prior to 1.0.3, prototype pollution is possible when property paths contain __proto__/constructor/prototype. The property path must not be exposed as user input. This vulnerability is fixed in 1.0.3.","status":"published","published":"2026-05-28T19:16:39.28Z","modified":"2026-10-26T13:10:00.14Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L","level":"high","assessor":"secondary"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:12:21.244426Z"}],"osv":[{"id":"GHSA-x7q7-fchv-8h2j","title":"@ranfdev/deepobj has a Prototype Pollution vulnerability","description":"### Impact\nPrototype pollution is possible when property paths contain `__proto__`/`constructor`/`prototype`. The property path must not be exposed as user input.","status":"published","published":"2026-05-14T20:55:24Z","modified":"2026-09-10T03:51:07.206372479Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L","level":"high"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T15:46:59.484835Z"}]}}