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_at": "2019-06-20T15:59:33Z", "severity": "HIGH", "cwe_ids": [ "CWE-74" ], "github_reviewed": true, "nvd_published_at": null }