CVE-2019-17268

The omniauth-weibo-oauth2 gem 0.4.6 for Ruby, as distributed on RubyGems.org, included a code-execution backdoor inserted by a third party. Versions through 0.4.5, and 0.5.1 and later, are unaffected. > MITRE Terms of Use apply – see LICENSE‑MITRE.txt