{"api_version":"1","generated_at":"2026-11-10T11:48:17+00:00","cve":"CVE-2026-123804","urls":{"html":"https://cve.report/CVE-2026-123804","api":"https://cve.report/api/cve/CVE-2026-123804.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-123804","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-123804"},"summary":{"title":"SuperTokens Core: A session created concurrently with account unlink survives the unlink","description":"SuperTokens Core is an open source authentication server. From 7.0.0 until 11.0.9, 11.1.4, 11.2.4, 11.3.8, 11.4.8, 12.0.11, 12.1.2, 12.2.1, and 12.3.1, createNewSession can resolve a primary user before unlinkAccounts detaches a login method and then insert the session after unlink has enumerated and revoked the existing sessions. A user who controls the linked login method can exploit this race to retain a signed, database-backed, refreshable session as the former primary identity after that method is unlinked; the session persists until expiry or explicit revocation. This issue is fixed in versions 11.0.9, 11.1.4, 11.2.4, 11.3.8, 11.4.8, 12.0.11, 12.1.2, 12.2.1, and 12.3.1.","state":"PUBLISHED","assigner":"GitHub_M","published_at":"2026-11-09 19:16:47","updated_at":"2026-11-09 19:16:47"},"problem_types":["CWE-362","CWE-613","CWE-362 CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')","CWE-613 CWE-613: Insufficient Session 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This issue is fixed in versions 11.0.9, 11.1.4, 11.2.4, 11.3.8, 11.4.8, 12.0.11, 12.1.2, 12.2.1, and 12.3.1."}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.8,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-362","description":"CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-613","description":"CWE-613: Insufficient Session 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