{"id":"GHSA-66rh-8fw6-59q6","summary":"assign-deep Vulnerable to Prototype Pollution","details":"Versions of `assign-deep` prior to 1.0.1 and 0.4.8 are vulnerable to Prototype Pollution. The `assign` function fails to validate which Object properties it updates. This allows attackers to modify the prototype of Object, causing the addition or modification of an existing property on all objects.\n\n## Recommendation\n\nUpgrade to versions 1.0.1, 0.4.8, or later.","aliases":["CVE-2019-10745"],"modified":"2026-03-13T22:11:37.573160Z","published":"2019-08-21T16:15:13Z","database_specific":{"nvd_published_at":"2019-08-20T19:15:00Z","cwe_ids":["CWE-1321","CWE-20","CWE-915"],"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2019-08-21T15:53:43Z"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-10745"},{"type":"WEB","url":"https://github.com/jonschlinkert/assign-deep/commit/8e3cc4a34246733672c71e96532105384937e56c"},{"type":"WEB","url":"https://github.com/jonschlinkert/assign-deep/commit/90bf1c551d05940898168d04066bbf15060f50cc"},{"type":"PACKAGE","url":"https://github.com/jonschlinkert/assign-deep"},{"type":"WEB","url":"https://snyk.io/vuln/SNYK-JS-ASSIGNDEEP-450211"},{"type":"WEB","url":"https://www.npmjs.com/advisories/1014"}],"affected":[{"package":{"name":"assign-deep","ecosystem":"npm","purl":"pkg:npm/assign-deep"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.4.8"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2019/08/GHSA-66rh-8fw6-59q6/GHSA-66rh-8fw6-59q6.json"}},{"package":{"name":"assign-deep","ecosystem":"npm","purl":"pkg:npm/assign-deep"},"ranges":[{"type":"SEMVER","events":[{"introduced":"1.0.0"},{"fixed":"1.0.1"}]}],"versions":["1.0.0"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2019/08/GHSA-66rh-8fw6-59q6/GHSA-66rh-8fw6-59q6.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}