{"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": "2026-08-27T17:57:34.993Z"}, "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"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Spring Security", "vendor": "Spring", "versions": [{"status": "affected", "version": "7.1.0", "versionType": "custom"}, {"lessThanOrEqual": "7.0.6", "status": "affected", "version": "7.0.0", "versionType": "custom"}, {"lessThanOrEqual": "6.5.11", "status": "affected", "version": "6.5.0", "versionType": "custom"}, {"lessThanOrEqual": "6.4.18", "status": "affected", "version": "6.4.0", "versionType": "custom"}, {"lessThanOrEqual": "5.8.27", "status": "affected", "version": "5.8.0", "versionType": "custom"}, {"lessThanOrEqual": "5.7.25", "status": "affected", "version": "5.7.0", "versionType": "custom"}]}], "source": "security@vmware.com"}], "cveTags": [], "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"}], "id": "CVE-2026-59276", "lastModified": "2026-08-27T20:17:53.863", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "security@vmware.com", "type": "Secondary"}]}, "published": "2026-08-27T20:17:53.863", "references": [{"source": "security@vmware.com", "url": "https://spring.io/security/cve-2026-59276"}], "sourceIdentifier": "security@vmware.com", "vulnStatus": "Received"}

{}

{}