{"id":"CVE-2026-47841","aliases":["CLSA-2026-1792063694","CLSA-2026-1792068377","CLSA-2026-1792072377","EUVD-2026-66639","GHSA-326h-rh66-6gp9"],"status":"published","title":"WebAuthn User Verification Bypass via Session Serialization","description":"An application using Spring Security's WebAuthn support may be vulnerable to user verification bypass when using a distributed HTTP session store.\nSpring Security 7.1.0\nSpring Security 7.0.0 - 7.0.6\nSpring Security 6.5.0 - 6.5.11\nSpring Security 6.4.0 - 6.4.18","severity":{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00355,"percentile":0.29466,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-863"],"published":"2026-08-26T17:08:52Z","modified":"2026-11-02T19:46:28Z","affected":[{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework.security:spring-security-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.4.3"},{"fixed":"6.4.3-tuxcare.10"}]}],"versions":["6.4.3","6.4.3-tuxcare.1","6.4.3-tuxcare.2","6.4.3-tuxcare.3","6.4.3-tuxcare.4","6.4.3-tuxcare.5","6.4.3-tuxcare.6","6.4.3-tuxcare.7","6.4.3-tuxcare.8","6.4.3-tuxcare.9"],"bundled":4},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework.security:spring-security-crypto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.4.3"},{"fixed":"6.4.3-tuxcare.10"}]}],"versions":["6.4.3","6.4.3-tuxcare.1","6.4.3-tuxcare.2","6.4.3-tuxcare.3","6.4.3-tuxcare.4","6.4.3-tuxcare.5","6.4.3-tuxcare.6","6.4.3-tuxcare.7","6.4.3-tuxcare.8","6.4.3-tuxcare.9"],"bundled":4},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework.security:spring-security-ldap","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.4.3"},{"fixed":"6.4.3-tuxcare.10"}]}],"versions":["6.4.3","6.4.3-tuxcare.1","6.4.3-tuxcare.2","6.4.3-tuxcare.3","6.4.3-tuxcare.4","6.4.3-tuxcare.5","6.4.3-tuxcare.6","6.4.3-tuxcare.7","6.4.3-tuxcare.8","6.4.3-tuxcare.9"],"bundled":4},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework.security:spring-security-web","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.4.3"},{"fixed":"6.4.3-tuxcare.10"}]}],"versions":["6.4.3","6.4.3-tuxcare.1","6.4.3-tuxcare.2","6.4.3-tuxcare.3","6.4.3-tuxcare.4","6.4.3-tuxcare.5","6.4.3-tuxcare.6","6.4.3-tuxcare.7","6.4.3-tuxcare.8","6.4.3-tuxcare.9"],"bundled":4},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework.security:spring-security-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.4.13"},{"fixed":"6.4.13-tuxcare.6"}]}],"versions":["6.4.13","6.4.13-tuxcare.1","6.4.13-tuxcare.2","6.4.13-tuxcare.3","6.4.13-tuxcare.4","6.4.13-tuxcare.5"],"bundled":5},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework.security:spring-security-crypto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.4.13"},{"fixed":"6.4.13-tuxcare.6"}]}],"versions":["6.4.13","6.4.13-tuxcare.1","6.4.13-tuxcare.2","6.4.13-tuxcare.3","6.4.13-tuxcare.4","6.4.13-tuxcare.5"],"bundled":5},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework.security:spring-security-saml2-service-provider","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.4.13"},{"fixed":"6.4.13-tuxcare.6"}]}],"versions":["6.4.13","6.4.13-tuxcare.1","6.4.13-tuxcare.2","6.4.13-tuxcare.3","6.4.13-tuxcare.4","6.4.13-tuxcare.5"],"bundled":5},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework.security:spring-security-web","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.4.13"},{"fixed":"6.4.13-tuxcare.6"}]}],"versions":["6.4.13","6.4.13-tuxcare.1","6.4.13-tuxcare.2","6.4.13-tuxcare.3","6.4.13-tuxcare.4","6.4.13-tuxcare.5"],"bundled":5},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework.security:spring-security-core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.5.11"},{"fixed":"6.5.11-tuxcare.3"}]}],"versions":["6.5.11","6.5.11-tuxcare.1","6.5.11-tuxcare.2"],"bundled":4},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework.security:spring-security-crypto","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.5.11"},{"fixed":"6.5.11-tuxcare.3"}]}],"versions":["6.5.11","6.5.11-tuxcare.1","6.5.11-tuxcare.2"],"bundled":4},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework.security:spring-security-oauth2-jose","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.5.11"},{"fixed":"6.5.11-tuxcare.3"}]}],"versions":["6.5.11","6.5.11-tuxcare.1","6.5.11-tuxcare.2"],"bundled":4},{"source":"osv","ecosystem":"TuxCare:Maven","package":"org.springframework.security:spring-security-web","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.5.11"},{"fixed":"6.5.11-tuxcare.3"}]}],"versions":["6.5.11","6.5.11-tuxcare.1","6.5.11-tuxcare.2"],"bundled":4}],"products":[{"vendor":"spring","product":"spring security"},{"vendor":"vmware","product":"spring_security"}],"references":[{"url":"https://spring.io/security/cve-2026-47841","tags":["Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-47841","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-326h-rh66-6gp9"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47841.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-47841","title":"WebAuthn User Verification Bypass via Session Serialization","description":"An application using Spring Security's WebAuthn support may be vulnerable to user verification bypass when using a distributed HTTP session store.\nSpring Security 7.1.0\nSpring Security 7.0.0 - 7.0.6\nSpring Security 6.5.0 - 6.5.11\nSpring Security 6.4.0 - 6.4.18","status":"published","published":"2026-08-26T17:08:52.788Z","modified":"2026-08-27T03:58:22.127Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T13:36:51.6229Z"}],"euvd":[{"id":"EUVD-2026-66639","description":"An application using Spring Security's WebAuthn support may be vulnerable to user verification bypass when using a distributed HTTP session store.\nSpring Security 7.1.0\nSpring Security 7.0.0 - 7.0.6\nSpring Security 6.5.0 - 6.5.11\nSpring Security 6.4.0 - 6.4.18","status":"published","published":"2026-08-26T17:08:52Z","modified":"2026-08-27T03:58:22Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T18:01:28.934147Z"}],"ghsa":[{"id":"GHSA-326h-rh66-6gp9","title":"An application using Spring Security's WebAuthn support may be vulnerable to user verification...","description":"An application using Spring Security's WebAuthn support may be vulnerable to user verification bypass when using a distributed HTTP session store.\nSpring Security 7.1.0\nSpring Security 7.0.0 - 7.0.6\nSpring Security 6.5.0 - 6.5.11\nSpring Security 6.4.0 - 6.4.18","status":"published","published":"2026-08-26T18:31:57Z","modified":"2026-09-04T21:31:40Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:11:24.326884Z"}],"nvd":[{"id":"CVE-2026-47841","description":"An application using Spring Security's WebAuthn support may be vulnerable to user verification bypass when using a distributed HTTP session store.\nSpring Security 7.1.0\nSpring Security 7.0.0 - 7.0.6\nSpring Security 6.5.0 - 6.5.11\nSpring Security 6.4.0 - 6.4.18","status":"published","published":"2026-08-26T18:16:33.303Z","modified":"2026-09-04T19:41:48.117Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:12:41.66469Z"}],"osv":[{"id":"CVE-2026-47841","title":"WebAuthn User Verification Bypass via Session Serialization","description":"An application using Spring Security's WebAuthn support may be vulnerable to user verification bypass when using a distributed HTTP session store.\nSpring Security 7.1.0\nSpring Security 7.0.0 - 7.0.6\nSpring Security 6.5.0 - 6.5.11\nSpring Security 6.4.0 - 6.4.18","status":"published","published":"2026-08-26T17:08:52.788Z","modified":"2026-10-28T02:30:59.914376068Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:45:06.701612Z"},{"id":"CLSA-2026-1792063694","title":"TuxCare security update for org.springframework.security (4 CVEs)","description":"TuxCare rebuilt 4 org.springframework.security packages to address 4 CVEs. Fixed in 6.4.3-tuxcare.10.","status":"published","published":"2026-10-15T11:28:14Z","modified":"2026-11-02T19:46:28.434183651Z","updated_at":"2026-11-02T20:29:06.487335Z"},{"id":"CLSA-2026-1792068377","title":"TuxCare security update for org.springframework.security (5 CVEs)","description":"TuxCare rebuilt 4 org.springframework.security packages to address 5 CVEs. Fixed in 6.4.13-tuxcare.6.","status":"published","published":"2026-10-15T12:46:17Z","modified":"2026-11-02T19:46:28.490077898Z","updated_at":"2026-11-02T20:29:06.487335Z"},{"id":"CLSA-2026-1792072377","title":"TuxCare security update for org.springframework.security (4 CVEs)","description":"TuxCare rebuilt 4 org.springframework.security packages to address 4 CVEs. Fixed in 6.5.11-tuxcare.3.","status":"published","published":"2026-10-15T13:52:57Z","modified":"2026-11-02T19:46:28.432973088Z","updated_at":"2026-11-02T20:29:06.487335Z"}]}}