{"schemaVersion":3,"id":"GHSA-CVP8-5R8G-FHVQ","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"omniauth-saml vulnerable to Improper Verification of Cryptographic Signature\n\nruby-saml, the dependent SAML gem of omniauth-saml has a signature wrapping vulnerability in <= v1.12.0 and v1.13.0 to v1.16.0 , see https://github.com/SAML-Toolkits/ruby-saml/security/advisories/GHSA-jw9c-mfg7-9rx2\nAs a result, omniauth-saml created a [new release](https://github.com/omniauth/omniauth-saml/releases) by upgrading ruby-saml to the patched versions v1.17.","dates":{"published":"2024-09-11T21:08:26.000Z","modified":"2026-08-07T08:11:59.192Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.9,"severity":"critical","version":"4.0","versionLabel":"v4.0","source":"OSV · Rubygems","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N","computed":true,"selection":"version-preference"},"metrics":[{"version":"4.0","versionLabel":"v4.0","source":"OSV · Rubygems","score":9.9,"severity":"critical","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N","exploitability":null,"impact":null,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Rubygems","score":10,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N","exploitability":10,"impact":9.7,"computed":true}]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"RubyGems","product":"omniauth-saml","name":"omniauth-saml","label":"omniauth-saml","ecosystem":"RubyGems","cpePart":null,"purl":"pkg:gem/omniauth-saml","purlType":"gem","versions":[{"text":"≥ 2.0.0, < 2.1.2","noFixRecorded":false,"fixedIn":null},{"text":"< 1.10.5","noFixRecorded":false,"fixedIn":null},{"text":"≥ 2.2.0, < 2.2.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 2.0.0, < 2.1.2 | < 1.10.5 | ≥ 2.2.0, < 2.2.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://github.com/SAML-Toolkits/ruby-saml/security/advisories/GHSA-jw9c-mfg7-9rx2","label":"github.com/SAML-Toolkits/ruby-saml/security/advisories/GHSA-jw9c-mfg7-9rx2","hostname":"github.com","tags":["WEB"]},{"url":"https://github.com/omniauth/omniauth-saml/security/advisories/GHSA-cvp8-5r8g-fhvq","label":"github.com/omniauth/omniauth-saml/security/advisories/GHSA-cvp8-5r8g-fhvq","hostname":"github.com","tags":["WEB"]},{"url":"https://github.com/omniauth/omniauth-saml/commit/4274e9d57e65f2dcaae4aa3b2accf831494f2ddd","label":"github.com/omniauth/omniauth-saml/commit/4274e9d57e65f2dcaae4aa3b2accf831494f2ddd","hostname":"github.com","tags":["WEB"]},{"url":"https://github.com/omniauth/omniauth-saml/commit/6c681fd082ab3daf271821897a40ab3417382e29","label":"github.com/omniauth/omniauth-saml/commit/6c681fd082ab3daf271821897a40ab3417382e29","hostname":"github.com","tags":["WEB"]},{"url":"https://github.com/omniauth/omniauth-saml","label":"github.com/omniauth/omniauth-saml","hostname":"github.com","tags":["PACKAGE"]},{"url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/omniauth-saml/GHSA-cvp8-5r8g-fhvq.yml","label":"github.com/rubysec/ruby-advisory-db/blob/master/gems/omniauth-saml/GHSA-cvp8-5r8g-fhvq.yml","hostname":"github.com","tags":["WEB"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":["CGA-262Q-GVXW-GJJ6","CGA-48JW-3F9F-7VJW","CGA-5H25-V8P9-M8FP","CGA-5H9H-FW3M-9XQF","CGA-69W9-C9H5-GGVV","CGA-F255-FV2J-4QR4","CGA-H7FQ-RR82-WMFP","CVE-2024-45409"]},"timeline":[{"kind":"published","date":"2024-09-11T21:08:26.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-08-07T08:11:59.192Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T22:59:55.465Z","stale":false,"partial":false}}