{"cve":"CVE-2019-11027","nvd":{"published":"2019-06-10T19:29:00.607","modified":"2026-06-17T02:12:09.090","status":"Modified","description":"Ruby OpenID (aka ruby-openid) through 2.8.0 has a remotely exploitable flaw. This library is used by Rails web applications to integrate with OpenID Providers. Severity can range from medium to critical, depending on how a web application developer chose to employ the ruby-openid library. Developers who based their OpenID integration heavily on the \"example app\" provided by the project are at highest risk.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":[],"references":["https://github.com/openid/ruby-openid/issues/122","https://lists.debian.org/debian-lts-announce/2019/10/msg00014.html","https://marc.info/?l=openid-security&m=155154717027534&w=2","https://security.gentoo.org/glsa/202003-09","https://github.com/openid/ruby-openid/issues/122"],"products":["openid:ruby-openid"],"source":"nvd","synced_at":"2026-10-19T20:57:00.690689396+00:00"},"epss":{"cve":"CVE-2019-11027","score":0.02968,"percentile":0.87237,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-fqfj-cmh6-hj49","url":"https://osv.dev/vulnerability/GHSA-fqfj-cmh6-hj49","summary":"ruby-openid SSRF via claimed_id request","modified":"2024-02-16T08:09:34.961861Z","packages":[{"ecosystem":"RubyGems","name":"ruby-openid","purl":"pkg:gem/ruby-openid","ranges":["<2.9.0"],"fixed":["2.9.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}