{"id":"USN-9085-1","summary":"ruby-openid vulnerability","details":"It was discovered that Ruby OpenID sent a request to the claimed identifier\nURL before verifying the signature of an OpenID response. A remote attacker\ncould possibly use this issue to perform server-side request forgery\nattacks.","modified":"2026-11-13T11:28:27.699596851Z","published":"2026-11-12T20:54:47Z","related":["UBUNTU-CVE-2019-11027"],"upstream":["CVE-2019-11027","UBUNTU-CVE-2019-11027"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-9085-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-11027"}],"affected":[{"package":{"name":"ruby-openid","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/ruby-openid?arch=source&distro=esm-apps-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.0debian-1ubuntu0.16.04.1~esm1"}]}],"versions":["2.7.0debian-1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.7.0debian-1ubuntu0.16.04.1~esm1","binary_name":"ruby-openid"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-9085-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"id":"CVE-2019-11027","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"score":"medium","type":"Ubuntu"}]}]}}},{"package":{"name":"ruby-openid","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/ruby-openid?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.0debian-1ubuntu0.18.04.1~esm1"}]}],"versions":["2.7.0debian-1"],"ecosystem_specific":{"binaries":[{"binary_name":"ruby-openid","binary_version":"2.7.0debian-1ubuntu0.18.04.1~esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"id":"CVE-2019-11027","severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-9085-1.json"}}],"schema_version":"1.9.2"}