{"id":"CVE-2019-10806","aliases":["GHSA-6hwh-rqwf-cxxr"],"url":"https://o3.security/vulnerability/CVE-2019-10806","summary":"Improperly Controlled Modification of Dynamically-Determined Object Attributes in vega-util","details":"vega-util prior to 1.13.1 allows manipulation of object prototype. The 'vega.mergeConfig' method within vega-util could be tricked into adding or modifying properties of the Object.prototype.","published":"2020-03-09T16:15:11.500Z","modified":"2026-07-08T05:52:52.507205380Z","cvss":{"score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"npm","name":"vega-util","fixedVersion":"1.13.1"}],"fix":{"url":"https://github.com/vega/vega/commit/8f33a0b5170d7de4f12fc248ec0901234342367b","label":"vega/vega@8f33a0b"},"references":[{"type":"FIX","url":"https://github.com/vega/vega/commit/8f33a0b5170d7de4f12fc248ec0901234342367b"},{"type":"EVIDENCE","url":"https://snyk.io/vuln/SNYK-JS-VEGAUTIL-559223"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T05:52:52.507205380Z"}}