{"id":"CVE-2026-41694","aliases":["GHSA-ww38-37g9-m3q3"],"url":"https://o3.security/vulnerability/CVE-2026-41694","summary":"SAML Payloads Decrypted Without Valid Signature","details":"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.","published":"2026-06-09T23:47:17.784Z","modified":"2026-08-12T16:41:04.133129644Z","cvss":{"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"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Maven","name":"org.springframework.security:spring-security-saml2-service-provider","fixedVersion":"7.0.6"},{"ecosystem":"Maven","name":"org.springframework.security:spring-security-saml2-service-provider","fixedVersion":"6.5.11"},{"ecosystem":"Maven","name":"org.springframework.security:spring-security-saml2-service-provider","fixedVersion":null},{"ecosystem":"Maven","name":"org.springframework.security:spring-security-saml2-service-provider","fixedVersion":null},{"ecosystem":"Maven","name":"org.springframework.security:spring-security-saml2-service-provider","fixedVersion":null},{"ecosystem":"Maven","name":"org.springframework.security:spring-security-saml2-service-provider","fixedVersion":null}],"fix":null,"references":[{"type":"WEB","url":"https://spring.io/security/cve-2026-41694"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41694.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41694"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T16:41:04.133129644Z"}}