{"cve":"CVE-2019-10795","nvd":{"published":"2020-02-18T16:15:10.470","modified":"2026-06-17T02:11:41.297","status":"Modified","description":"undefsafe before 2.0.3 is vulnerable to Prototype Pollution. The 'a' function could be tricked into adding or modifying properties of Object.prototype using a __proto__ payload.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","score":6.3},"cwes":["CWE-74"],"references":["https://github.com/remy/undefsafe/commit/f272681b3a50e2c4cbb6a8533795e1453382c822","https://snyk.io/vuln/SNYK-JS-UNDEFSAFE-548940","https://github.com/remy/undefsafe/commit/f272681b3a50e2c4cbb6a8533795e1453382c822","https://snyk.io/vuln/SNYK-JS-UNDEFSAFE-548940"],"products":["undefsafe_project:undefsafe"],"source":"nvd","synced_at":"2026-10-19T21:02:53.949909883+00:00"},"epss":{"cve":"CVE-2019-10795","score":0.01089,"percentile":0.65346,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-332q-7ff2-57h2","url":"https://osv.dev/vulnerability/GHSA-332q-7ff2-57h2","summary":"Prototype Pollution in undefsafe","modified":"2026-09-10T03:49:16.695964690Z","packages":[{"ecosystem":"npm","name":"undefsafe","purl":"pkg:npm/undefsafe","ranges":["<2.0.3"],"fixed":["2.0.3"]}]}],"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."]}