{"id":"CVE-2026-47841","state":"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","publishedAt":"2026-08-26T17:08:52.788Z","updatedAt":"2026-08-27T03:58:22.127Z","severity":{"score":7.4,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","source":"vmware"},"assigner":"vmware","products":["Spring Spring Security"],"affected":[{"vendor":"Spring","product":"Spring Security","defaultStatus":"unaffected","versions":[{"version":"7.1.0","status":"affected","versionType":"custom"},{"version":"7.0.0","status":"affected","lessThanOrEqual":"7.0.6","versionType":"custom"},{"version":"6.5.0","status":"affected","lessThanOrEqual":"6.5.11","versionType":"custom"},{"version":"6.4.0","status":"affected","lessThanOrEqual":"6.4.18","versionType":"custom"}]}],"references":["https://spring.io/security/cve-2026-47841"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/47xxx/CVE-2026-47841.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-47841","state":"PUBLISHED","datePublished":"2026-08-26T17:08:52.788Z","dateUpdated":"2026-08-27T03:58:22.127Z","assignerShortName":"vmware","assignerOrgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","dateReserved":"2026-05-20T10:00:51.004Z"},"containers":{"cna":{"title":"WebAuthn User Verification Bypass via Session Serialization","descriptions":[{"lang":"en","value":"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"}],"affected":[{"vendor":"Spring","product":"Spring Security","defaultStatus":"unaffected","versions":[{"version":"7.1.0","status":"affected","versionType":"custom"},{"version":"7.0.0","status":"affected","lessThanOrEqual":"7.0.6","versionType":"custom"},{"version":"6.5.0","status":"affected","lessThanOrEqual":"6.5.11","versionType":"custom"},{"version":"6.4.0","status":"affected","lessThanOrEqual":"6.4.18","versionType":"custom"}]}],"references":[{"url":"https://spring.io/security/cve-2026-47841"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","baseScore":7.4,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"}}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-287 Improper Authentication","type":"CWE"}]}],"providerMetadata":{"shortName":"vmware","orgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","dateUpdated":"2026-08-26T17:08:52.788Z"},"impacts":[{"descriptions":[{"lang":"en","value":"An application using Spring Security's WebAuthn support may be vulnerable to user verification bypass when using a distributed HTTP session store."}]}],"source":{"discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-26T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-47841"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-27T03:58:22.127Z"}}]}}}