{"action":"Upgrade ruby-saml to 1.12.4 or later.","affected":[{"fixed":"1.12.4","introduced":"0"},{"fixed":"1.18.0","introduced":"1.13.0"}],"component":"ruby-saml","cve_ids":["CVE-2025-25293"],"ecosystem":"RubyGems","epss":0.01528,"exploited":false,"fixed_versions":["1.12.4","1.18.0"],"ghsa_id":"GHSA-92rq-c8cf-prrq","id":"tcs_01M5KEJ5R8Z5YACGN19AY0GNMP","modified_at":"2026-02-04T04:10:40.237241Z","published_at":"2025-03-12T20:16:50Z","references":["https://osv.dev/vulnerability/GHSA-92rq-c8cf-prrq","https://github.com/SAML-Toolkits/ruby-saml/security/advisories/GHSA-92rq-c8cf-prrq","https://github.com/omniauth/omniauth-saml/security/advisories/GHSA-hw46-3hmr-x9xv","https://nvd.nist.gov/vuln/detail/CVE-2025-25293","https://github.com/SAML-Toolkits/ruby-saml/commit/acac9e9cc0b9a507882c614f25d41f8b47be349a","https://github.com/SAML-Toolkits/ruby-saml/commit/e2da4c6dae7dc01a4d9cd221395140a67e2b3eb1","https://about.gitlab.com/releases/2025/03/12/patch-release-gitlab-17-9-2-released","https://github.blog/security/sign-in-as-anyone-bypassing-saml-sso-authentication-with-parser-differentials","https://github.com/SAML-Toolkits/ruby-saml","https://github.com/SAML-Toolkits/ruby-saml/releases/tag/v1.12.4","https://github.com/SAML-Toolkits/ruby-saml/releases/tag/v1.18.0","https://github.com/rubysec/ruby-advisory-db/blob/master/gems/ruby-saml/CVE-2025-25293.yml","https://lists.debian.org/debian-lts-announce/2025/04/msg00011.html","https://security.netapp.com/advisory/ntap-20250314-0008","https://securitylab.github.com/advisories/GHSL-2024-355_ruby-saml"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-92rq-c8cf-prrq","url":"https://osv.dev/vulnerability/GHSA-92rq-c8cf-prrq"}],"summary":"Ruby SAML allows remote Denial of Service (DoS) with compressed SAML responses"}