{"id":"CVE-2022-24802","aliases":["GHSA-r9w3-g83q-m6hq"],"url":"https://o3.security/vulnerability/CVE-2022-24802","summary":"Prototype Pollution in deepmerge-ts","details":"deepmerge-ts is a typescript library providing functionality to deep merging of javascript objects. deepmerge-ts is vulnerable to Prototype Pollution via file deepmerge.ts, function defaultMergeRecords(). This issue has been patched in version 4.0.2. There are no known workarounds for this issue.","published":"2022-03-31T23:15:15Z","modified":"2026-08-12T03:51:39.356810205Z","cvss":{"score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.01678,"percentile":0.75763,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"deepmerge-ts","fixedVersion":"4.0.2"}],"fix":{"url":"https://github.com/RebeccaStevens/deepmerge-ts/commit/b39f1a93d9e1c3541bd2fe159fd696a16dbe1c72","label":"RebeccaStevens/deepmerge-ts@b39f1a9"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/24xxx/CVE-2022-24802.json"},{"type":"ADVISORY","url":"https://github.com/RebeccaStevens/deepmerge-ts/security/advisories/GHSA-r9w3-g83q-m6hq"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-24802"},{"type":"FIX","url":"https://github.com/RebeccaStevens/deepmerge-ts/commit/b39f1a93d9e1c3541bd2fe159fd696a16dbe1c72"},{"type":"FIX","url":"https://github.com/RebeccaStevens/deepmerge-ts/commit/d637db7e4fb2bfb113cb4bc1c85a125936d7081b"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:39.356810205Z"}}