{"id":"CVE-2026-54737","revision":"d4ba4e5c9a354d9ea5a57b1e360165f6","records":[{"revision":"d4ba4e5c9a354d9ea5a57b1e360165f6","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-54737","aliases":[],"title":"@phun-ky/defaults-deep Has a Prototype Pollution issue via Unsafe Recursive Property Merging","description":"@phun-ky/defaults-deep is a library like lodash defaultsDeep with array preservation and no lodash dependency. Prior to 2.0.5, defaultsDeep() recursively merges user-supplied objects without filtering proto, constructor, and prototype, allowing properties to be written to Object.prototype. This issue is fixed in version 2.0.5.","state":0,"publishedAt":"2026-07-31T17:48:42.67+00:00","modifiedAt":"2026-07-31T19:00:41.074+00:00","affected":[{"ecosystem":"Vendor product","name":"defaults-deep","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"phun-ky\",\n                    \"product\": \"defaults-deep\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 2.0.5\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","score":7.3,"severity":"HIGH"}],"references":["https://github.com/phun-ky/defaults-deep/security/advisories/GHSA-mj3g-7xcc-x4vh","https://github.com/phun-ky/defaults-deep/pull/49","https://github.com/phun-ky/defaults-deep/commit/807dba930f8718f9126cad59d949b8fd3539b059","https://github.com/phun-ky/defaults-deep/releases/tag/2.0.5"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-54737","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-54737","identifiers":["CVE-2026-54737"]},"retained":false,"historicalAffected":[]}],"coverage":[]}