CVE-2019-10806
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.
Date published : 2020-03-09
https://github.com/vega/vega/commit/8f33a0b5170d7de4f12fc248ec0901234342367b