{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-22747","assignerOrgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","state":"PUBLISHED","assignerShortName":"vmware","dateReserved":"2026-01-09T06:55:03.990Z","datePublished":"2026-04-22T05:08:41.318Z","dateUpdated":"2026-04-23T03:56:11.308Z"},"containers":{"cna":{"providerMetadata":{"orgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","shortName":"vmware","dateUpdated":"2026-04-22T05:08:41.318Z"},"title":"Unauthorized User Impersonation when Using X.509 Client Certificates","affected":[{"vendor":"Spring","product":"Spring Security","versions":[{"status":"affected","version":"7.0.0","lessThanOrEqual":"7.0.4","versionType":"custom"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"Vulnerability in Spring Spring Security. SubjectX500PrincipalExtractor does not correctly handle certain malformed X.509 certificate CN values, which can lead to reading the wrong value for the username. In a carefully crafted certificate, this can lead to an attacker impersonating another user.\nThis issue affects Spring Security: from 7.0.0 through 7.0.4.","supportingMedia":[{"type":"text/html","base64":false,"value":"Vulnerability in Spring Spring Security.&nbsp;<code>SubjectX500PrincipalExtractor</code><span>&nbsp;</span><span>does not correctly handle certain malformed X.509 certificate</span><span>&nbsp;</span><code>CN</code><span>&nbsp;</span><span>values, which can lead to reading the wrong value for the username. In a carefully crafted certificate, this can lead to an attacker impersonating another user.</span><br><p>This issue affects Spring Security: from 7.0.0 through 7.0.4.</p>"}]}],"references":[{"url":"https://spring.io/security/cve-2026-22747"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE","baseSeverity":"MEDIUM","baseScore":6.8,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N"}}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.1"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-297","lang":"en","description":"CWE-297 Improper Validation of Certificate with Host Mismatch"}]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-22T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-22747"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-04-23T03:56:11.308Z"}}]}}