{"schemaVersion":3,"id":"CVE-2026-41694","aliases":["GHSA-ww38-37g9-m3q3"],"status":"published","duplicateOf":null,"title":null,"description":"Since Spring Security SAML decrypts SAML Responses as well as elements of SAML LogoutRequests and LogoutResponses without requiring a valid signature, attackers may be able to craft these SAML payloads and use the Service Provider as a decryption oracle.\n\nAffected versions:\nSpring Security 5.7.0 through 5.7.23; 5.8.0 through 5.8.25; 6.3.0 through 6.3.16; 6.4.0 through 6.4.16; 6.5.0 through 6.5.10; 7.0.0 through 7.0.5.","dates":{"published":"2026-06-09T23:47:17.784Z","modified":"2026-06-27T21:25:20.803Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5.3,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":3.7,"severity":"low","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Maven","score":3.7,"severity":"low","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","exploitability":5.6,"impact":2.3,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":5.3,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00181,"percentile":0.0725,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0.033,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00148},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00148,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00148,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00148,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00148,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00148,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00148,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00148,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00148,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00148,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00148,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00181,"percentile":0.0725}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00148,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00148,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00148,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00148,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00181,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00181,"percentile":0.0725}]},"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":[{"id":"CWE-347","name":"Improper Verification of Cryptographic Signature","description":"The product does not verify, or incorrectly verifies, the cryptographic signature for data.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/347.html"}],"affected":[{"vendor":"org.springframework.security","product":"spring-security-saml2-service-provider","name":"org.springframework.security:spring-security-saml2-service-provider","label":"spring-security-saml2-service-provider","ecosystem":"Maven","cpePart":null,"purl":"pkg:maven/org.springframework.security/spring-security-saml2-service-provider","purlType":"maven","versions":[{"text":"≥ 7.0.0, < 7.0.6","noFixRecorded":false,"fixedIn":null},{"text":"≥ 6.5.0, < 6.5.11","noFixRecorded":false,"fixedIn":null},{"text":"≥ 6.4.0, ≤ 6.4.16","noFixRecorded":false,"fixedIn":null},{"text":"≥ 6.3.0, ≤ 6.3.16","noFixRecorded":false,"fixedIn":null},{"text":"≥ 5.8.0, ≤ 5.8.25","noFixRecorded":false,"fixedIn":null},{"text":"≤ 5.7.23","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 7.0.0, < 7.0.6 | ≥ 6.5.0, < 6.5.11 | ≥ 6.4.0, ≤ 6.4.16 | ≥ 6.3.0, ≤ 6.3.16 | ≥ 5.8.0, ≤ 5.8.25 | ≤ 5.7.23","eol":null,"hubHref":null},{"vendor":"spring","product":"spring security","name":"Spring Security","label":"spring security","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 5.7.0, < 5.7.24","noFixRecorded":false,"fixedIn":null},{"text":"≥ 5.8.0, < 5.8.26","noFixRecorded":false,"fixedIn":null},{"text":"≥ 6.3.0, < 6.3.17","noFixRecorded":false,"fixedIn":null},{"text":"≥ 6.4.0, < 6.4.17","noFixRecorded":false,"fixedIn":null},{"text":"≥ 6.5.0, < 6.5.10.2","noFixRecorded":false,"fixedIn":null},{"text":"≥ 7.0.0, < 7.0.5.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 5.7.0, < 5.7.24 | ≥ 5.8.0, < 5.8.26 | ≥ 6.3.0, < 6.3.17 | ≥ 6.4.0, < 6.4.17 | ≥ 6.5.0, < 6.5.10.2 | ≥ 7.0.0, < 7.0.5.1","eol":null,"hubHref":"/vendor/spring/spring_security"},{"vendor":"vmware","product":"spring_security","name":"spring security","label":"spring_security","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 5.7.0, < 5.7.24","noFixRecorded":false,"fixedIn":null},{"text":"≥ 5.8.0, < 5.8.26","noFixRecorded":false,"fixedIn":null},{"text":"≥ 6.3.0, < 6.3.17","noFixRecorded":false,"fixedIn":null},{"text":"≥ 6.4.0, < 6.4.17","noFixRecorded":false,"fixedIn":null},{"text":"≥ 6.5.0, < 6.5.10.2","noFixRecorded":false,"fixedIn":null},{"text":"≥ 7.0.0, < 7.0.5.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 5.7.0, < 5.7.24 | ≥ 5.8.0, < 5.8.26 | ≥ 6.3.0, < 6.3.17 | ≥ 6.4.0, < 6.4.17 | ≥ 6.5.0, < 6.5.10.2 | ≥ 7.0.0, < 7.0.5.1","eol":null,"hubHref":"/vendor/vmware/spring_security"}],"affectedCount":3,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://spring.io/security/cve-2026-41694","label":"spring.io/security/cve-2026-41694","hostname":"spring.io","tags":["WEB","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41694","label":"nvd.nist.gov/vuln/detail/CVE-2026-41694","hostname":"nvd.nist.gov","tags":["Advisory"]},{"url":"https://github.com/spring-projects/spring-security","label":"github.com/spring-projects/spring-security","hostname":"github.com","tags":["PACKAGE"]},{"url":"https://github.com/spring-projects/spring-security/releases/tag/6.5.11","label":"github.com/spring-projects/spring-security/releases/tag/6.5.11","hostname":"github.com","tags":["WEB"]},{"url":"https://github.com/spring-projects/spring-security/releases/tag/7.0.6","label":"github.com/spring-projects/spring-security/releases/tag/7.0.6","hostname":"github.com","tags":["WEB"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-06-09T23:47:17.784Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-27T21:25:20.803Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":21,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T18:46:51.891Z","stale":false,"partial":false}}