An issue was discovered in RubyGems 2.6 and later through 3.0.2. Gem::GemcutterUtilities#with_response may output the API response to stdout as it is. Therefore, if the API side modifies the response, escape sequence injection may occur.
{
"github_reviewed": true,
"cwe_ids": [
"CWE-74"
],
"github_reviewed_at": "2019-06-20T15:59:33Z",
"nvd_published_at": null,
"severity": "HIGH"
}