In AngularJS before 1.7.9 the function merge() could be tricked into adding or modifying properties of Object.prototype using a __proto__ payload.
merge()
Object.prototype
__proto__
{ "binaries": [ { "binary_name": "libjs-angularjs", "binary_version": "1.5.10-1ubuntu0.1~esm1" } ] }
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-10768.json"