{"id":"CVE-2018-16469","aliases":["GHSA-f9cm-qmx5-m98h"],"url":"https://o3.security/vulnerability/CVE-2018-16469","summary":"Prototype Pollution in merge","details":"The merge.recursive function in the merge package <1.2.1 can be tricked into adding or modifying properties of the Object prototype. These properties will be present on all objects allowing for a denial of service attack.","published":"2018-10-30T21:29:00.997Z","modified":"2026-08-27T08:14:09.327992Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"npm","name":"merge","fixedVersion":"1.2.1"}],"fix":null,"references":[{"type":"EVIDENCE","url":"https://hackerone.com/reports/381194"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-27T08:14:09.327992Z"}}