{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-59276","assignerOrgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","state":"PUBLISHED","assignerShortName":"vmware","dateReserved":"2026-07-04T18:13:09.973Z","datePublished":"2026-08-27T17:57:34.993Z","dateUpdated":"2026-08-28T14:00:41.248Z"},"containers":{"cna":{"providerMetadata":{"orgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","shortName":"vmware","dateUpdated":"2026-08-27T17:57:34.993Z"},"title":"Timing Attack via Non-Constant-Time Comparison of Sensitive Values","problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-208 Observable Timing Discrepancy","type":"CWE"}]}],"impacts":[{"descriptions":[{"lang":"en","value":"Several components in Spring Security compare security-sensitive values using standard string equality (String.equals()) rather than a constant-time comparison. Because String.equals() returns as soon as it finds a differing character, the time taken to reject an incorrect value is proportional to the number of leading characters that match the expected value."}]}],"affected":[{"vendor":"Spring","product":"Spring Security","versions":[{"status":"affected","version":"7.1.0","versionType":"custom"},{"status":"affected","version":"7.0.0","lessThanOrEqual":"7.0.6","versionType":"custom"},{"status":"affected","version":"6.5.0","lessThanOrEqual":"6.5.11","versionType":"custom"},{"status":"affected","version":"6.4.0","lessThanOrEqual":"6.4.18","versionType":"custom"},{"status":"affected","version":"5.8.0","lessThanOrEqual":"5.8.27","versionType":"custom"},{"status":"affected","version":"5.7.0","lessThanOrEqual":"5.7.25","versionType":"custom"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"Several components in Spring Security compare security-sensitive values using standard string equality (String.equals()) rather than a constant-time comparison. Because String.equals() returns as soon as it finds a differing character, the time taken to reject an incorrect value is proportional to the number of leading characters that match the expected value.\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\nSpring Security 5.8.0 - 5.8.27\nSpring Security 5.7.0 - 5.7.25","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>Several components in Spring Security compare security-sensitive values using standard string equality (String.equals()) rather than a constant-time comparison. Because String.equals() returns as soon as it finds a differing character, the time taken to reject an incorrect value is proportional to the number of leading characters that match the expected value.</p><p>Spring Security 7.1.0<br/>Spring Security 7.0.0 - 7.0.6<br/>Spring Security 6.5.0 - 6.5.11<br/>Spring Security 6.4.0 - 6.4.18<br/>Spring Security 5.8.0 - 5.8.27<br/>Spring Security 5.7.0 - 5.7.25</p>"}]}],"references":[{"url":"https://spring.io/security/cve-2026-59276"}],"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:N/A:N","baseScore":5.9,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"}}],"source":{"discovery":"UNKNOWN"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-208","lang":"en","description":"CWE-208 Observable Timing Discrepancy"}]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-28T13:59:17.786904Z","id":"CVE-2026-59276","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-28T14:00:41.248Z"}}]}}