{"cve":"CVE-2022-25645","nvd":{"published":"2022-05-01T16:15:08.547","modified":"2026-06-17T04:33:49.683","status":"Modified","description":"All versions of package dset are vulnerable to Prototype Pollution via 'dset/merge' mode, as the dset function checks for prototype pollution by validating if the top-level path contains __proto__, constructor or protorype. By crafting a malicious object, it is possible to bypass this check and achieve prototype pollution.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.1},"cwes":["CWE-1321"],"references":["https://github.com/lukeed/dset/blob/master/src/merge.js%23L9","https://github.com/lukeed/dset/pull/38","https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2431974","https://snyk.io/vuln/SNYK-JS-DSET-2330881","https://github.com/lukeed/dset/blob/master/src/merge.js%23L9"],"products":["dset_project:dset"],"source":"nvd","synced_at":"2026-10-19T21:30:03.577988018+00:00"},"epss":{"cve":"CVE-2022-25645","score":0.0184,"percentile":0.78986,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-23wx-cgxq-vpwx","url":"https://osv.dev/vulnerability/GHSA-23wx-cgxq-vpwx","summary":"Prototype Pollution in dset","modified":"2023-11-08T04:08:47.532216Z","packages":[{"ecosystem":"npm","name":"dset","purl":"pkg:npm/dset","ranges":["<3.1.2"],"fixed":["3.1.2"]},{"ecosystem":"Maven","name":"org.webjars.npm:dset","purl":"pkg:maven/org.webjars.npm/dset","ranges":["<3.1.2"],"fixed":["3.1.2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}