{"id":"CVE-2019-17268","aliases":["EUVD-2022-5414","GHSA-vr22-43gj-rx3f"],"status":"published","title":"omniauth-weibo-oauth2 included a code-execution backdoor inserted by a third party","description":"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.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.02437,"percentile":0.84491,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-94"],"published":"2020-02-07T13:51:01Z","modified":"2026-06-17T02:23:36Z","fixes":[{"ecosystem":"RubyGems","package":"omniauth-weibo-oauth2","fixed_in":["0.5.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"RubyGems","package":"omniauth-weibo-oauth2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.4.6"},{"fixed":"0.5.1"}]}]},{"source":"osv","ecosystem":"RubyGems","package":"omniauth-weibo-oauth2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.4.6"},{"fixed":"0.5.1"}]}]}],"products":[{"vendor":"omniauth-weibo-oauth2_project","product":"omniauth-weibo-oauth2"}],"references":[{"url":"https://diff.coditsu.io/diffs/09a05c37-1b34-49e1-ac94-d4dda40d1ad1#d2h-971595","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","web"]},{"url":"https://github.com/beenhero/omniauth-weibo-oauth2/issues/36","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-17268","tags":["advisory"]},{"url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/omniauth-weibo-oauth2/CVE-2019-17268.yml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-vr22-43gj-rx3f"},{"url":"https://github.com/beenhero/omniauth-weibo-oauth2","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2019-17268","description":"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.","status":"published","published":"2020-02-07T13:51:01Z","modified":"2024-08-05T01:33:17.345Z","updated_at":"2026-11-02T14:20:24.989116Z"}],"euvd":[{"id":"EUVD-2022-5414","description":"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.","status":"published","published":"2020-02-07T13:51:01Z","modified":"2024-08-05T01:33:17Z","updated_at":"2026-11-03T02:40:30.328063Z"}],"ghsa":[{"id":"GHSA-vr22-43gj-rx3f","title":"omniauth-weibo-oauth2 included a code-execution backdoor inserted by a third party","description":"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.","status":"published","published":"2022-05-24T17:08:14Z","modified":"2023-03-06T20:42:04Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:36:47.279442Z"}],"nvd":[{"id":"CVE-2019-17268","description":"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.","status":"published","published":"2020-02-07T14:15:11.343Z","modified":"2026-06-17T02:23:36.647Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:05:43.875329Z"}],"osv":[{"id":"GHSA-vr22-43gj-rx3f","title":"omniauth-weibo-oauth2 included a code-execution backdoor inserted by a third party","description":"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.","status":"published","published":"2022-05-24T17:08:14Z","modified":"2023-11-08T04:01:23.253873Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:46:57.694388Z"}]}}