CVE-2026-123804

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-123804", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-11-06T15:27:56.226Z", "datePublished": "2026-11-09T18:53:24.985Z", "dateUpdated": "2026-11-09T18:53:24.985Z"}, "containers": {"cna": {"title": "SuperTokens Core: A session created concurrently with account unlink survives the unlink", "problemTypes": [{"descriptions": [{"cweId": "CWE-362", "lang": "en", "description": "CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-613", "lang": "en", "description": "CWE-613: Insufficient Session Expiration", "type": "CWE"}]}], "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"}}], "references": [{"name": "https://github.com/supertokens/supertokens-core/security/advisories/GHSA-2pc4-vw9j-454c", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/supertokens/supertokens-core/security/advisories/GHSA-2pc4-vw9j-454c"}, {"name": "https://github.com/supertokens/supertokens-core/commit/182b39454ac44649cdef22d87f296a38a0b1a602", "tags": ["x_refsource_MISC"], "url": "https://github.com/supertokens/supertokens-core/commit/182b39454ac44649cdef22d87f296a38a0b1a602"}, {"name": "https://github.com/supertokens/supertokens-core/commit/378e1157dc26232a518d2c360ee60cf93c2fd8a2", "tags": ["x_refsource_MISC"], "url": "https://github.com/supertokens/supertokens-core/commit/378e1157dc26232a518d2c360ee60cf93c2fd8a2"}, {"name": "https://github.com/supertokens/supertokens-core/commit/5aec64aca6d765cde491658210e6922e291742fd", "tags": ["x_refsource_MISC"], "url": "https://github.com/supertokens/supertokens-core/commit/5aec64aca6d765cde491658210e6922e291742fd"}, {"name": "https://github.com/supertokens/supertokens-core/commit/b1c569ed59fffe16c2f657da1754abcae47d2761", "tags": ["x_refsource_MISC"], "url": "https://github.com/supertokens/supertokens-core/commit/b1c569ed59fffe16c2f657da1754abcae47d2761"}, {"name": "https://github.com/supertokens/supertokens-core/commit/b44f1e1418206f411e541501c2e5b9b147add0d9", "tags": ["x_refsource_MISC"], "url": "https://github.com/supertokens/supertokens-core/commit/b44f1e1418206f411e541501c2e5b9b147add0d9"}, {"name": "https://github.com/supertokens/supertokens-core/commit/bb6d5f8d1b79770e3cc37f214ba94c3e36e9c3b8", "tags": ["x_refsource_MISC"], "url": "https://github.com/supertokens/supertokens-core/commit/bb6d5f8d1b79770e3cc37f214ba94c3e36e9c3b8"}, {"name": "https://github.com/supertokens/supertokens-core/commit/c0b7f5eda20840f63f6b0f171d22bd49a7a609a1", "tags": ["x_refsource_MISC"], "url": "https://github.com/supertokens/supertokens-core/commit/c0b7f5eda20840f63f6b0f171d22bd49a7a609a1"}, {"name": "https://github.com/supertokens/supertokens-core/commit/c8b48e843b323cd749dcb17b6b81c190e7882a43", "tags": ["x_refsource_MISC"], "url": "https://github.com/supertokens/supertokens-core/commit/c8b48e843b323cd749dcb17b6b81c190e7882a43"}, {"name": "https://github.com/supertokens/supertokens-core/commit/c950a01794cf0983ebd62412976cb80756bf5dd0", "tags": ["x_refsource_MISC"], "url": "https://github.com/supertokens/supertokens-core/commit/c950a01794cf0983ebd62412976cb80756bf5dd0"}, {"name": "https://github.com/supertokens/supertokens-core/commit/d456dfbc02f2f7d68be7c05d876bdaa086f9a5b5", "tags": ["x_refsource_MISC"], "url": "https://github.com/supertokens/supertokens-core/commit/d456dfbc02f2f7d68be7c05d876bdaa086f9a5b5"}, {"name": "https://github.com/supertokens/supertokens-core/commit/fc273f5157d3e96f147aa42773607d627d3b495f", "tags": ["x_refsource_MISC"], "url": "https://github.com/supertokens/supertokens-core/commit/fc273f5157d3e96f147aa42773607d627d3b495f"}, {"name": "https://github.com/supertokens/supertokens-core/releases/tag/v11.0.9", "tags": ["x_refsource_MISC"], "url": "https://github.com/supertokens/supertokens-core/releases/tag/v11.0.9"}, {"name": "https://github.com/supertokens/supertokens-core/releases/tag/v11.1.4", "tags": ["x_refsource_MISC"], "url": "https://github.com/supertokens/supertokens-core/releases/tag/v11.1.4"}, {"name": "https://github.com/supertokens/supertokens-core/releases/tag/v11.2.4", "tags": ["x_refsource_MISC"], "url": "https://github.com/supertokens/supertokens-core/releases/tag/v11.2.4"}, {"name": "https://github.com/supertokens/supertokens-core/releases/tag/v11.3.8", "tags": ["x_refsource_MISC"], "url": "https://github.com/supertokens/supertokens-core/releases/tag/v11.3.8"}, {"name": "https://github.com/supertokens/supertokens-core/releases/tag/v11.4.8", "tags": ["x_refsource_MISC"], "url": "https://github.com/supertokens/supertokens-core/releases/tag/v11.4.8"}, {"name": "https://github.com/supertokens/supertokens-core/releases/tag/v12.0.11", "tags": ["x_refsource_MISC"], "url": "https://github.com/supertokens/supertokens-core/releases/tag/v12.0.11"}, {"name": "https://github.com/supertokens/supertokens-core/releases/tag/v12.1.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/supertokens/supertokens-core/releases/tag/v12.1.2"}, {"name": "https://github.com/supertokens/supertokens-core/releases/tag/v12.2.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/supertokens/supertokens-core/releases/tag/v12.2.1"}, {"name": "https://github.com/supertokens/supertokens-core/releases/tag/v12.3.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/supertokens/supertokens-core/releases/tag/v12.3.1"}], "affected": [{"vendor": "supertokens", "product": "supertokens-core", "versions": [{"version": ">= 7.0.0, < 11.0.0", "status": "affected"}, {"version": ">= 11.0.0, < 11.0.9", "status": "affected"}, {"version": ">= 11.1.0, < 11.1.4", "status": "affected"}, {"version": ">= 11.2.0, < 11.2.4", "status": "affected"}, {"version": ">= 11.3.0, < 11.3.8", "status": "affected"}, {"version": ">= 11.4.0, < 11.4.8", "status": "affected"}, {"version": ">= 12.0.0, < 12.0.11", "status": "affected"}, {"version": ">= 12.1.0, < 12.1.2", "status": "affected"}, {"version": ">= 12.2.0, < 12.2.1", "status": "affected"}, {"version": ">= 12.3.0, < 12.3.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-11-09T18:53:24.985Z"}, "descriptions": [{"lang": "en", "value": "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."}], "source": {"advisory": "GHSA-2pc4-vw9j-454c", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "supertokens-core", "vendor": "supertokens", "versions": [{"status": "affected", "version": ">= 7.0.0, < 11.0.0"}, {"status": "affected", "version": ">= 11.0.0, < 11.0.9"}, {"status": "affected", "version": ">= 11.1.0, < 11.1.4"}, {"status": "affected", "version": ">= 11.2.0, < 11.2.4"}, {"status": "affected", "version": ">= 11.3.0, < 11.3.8"}, {"status": "affected", "version": ">= 11.4.0, < 11.4.8"}, {"status": "affected", "version": ">= 12.0.0, < 12.0.11"}, {"status": "affected", "version": ">= 12.1.0, < 12.1.2"}, {"status": "affected", "version": ">= 12.2.0, < 12.2.1"}, {"status": "affected", "version": ">= 12.3.0, < 12.3.1"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-123804", "lastModified": "2026-11-12T22:18:51.470", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 1.6, "impactScore": 5.2, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-11-09T19:16:47.457", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/supertokens/supertokens-core/commit/182b39454ac44649cdef22d87f296a38a0b1a602"}, {"source": "security-advisories@github.com", "url": "https://github.com/supertokens/supertokens-core/commit/378e1157dc26232a518d2c360ee60cf93c2fd8a2"}, {"source": "security-advisories@github.com", "url": "https://github.com/supertokens/supertokens-core/commit/5aec64aca6d765cde491658210e6922e291742fd"}, {"source": "security-advisories@github.com", "url": "https://github.com/supertokens/supertokens-core/commit/b1c569ed59fffe16c2f657da1754abcae47d2761"}, {"source": "security-advisories@github.com", "url": "https://github.com/supertokens/supertokens-core/commit/b44f1e1418206f411e541501c2e5b9b147add0d9"}, {"source": "security-advisories@github.com", "url": "https://github.com/supertokens/supertokens-core/commit/bb6d5f8d1b79770e3cc37f214ba94c3e36e9c3b8"}, {"source": "security-advisories@github.com", "url": "https://github.com/supertokens/supertokens-core/commit/c0b7f5eda20840f63f6b0f171d22bd49a7a609a1"}, {"source": "security-advisories@github.com", "url": "https://github.com/supertokens/supertokens-core/commit/c8b48e843b323cd749dcb17b6b81c190e7882a43"}, {"source": "security-advisories@github.com", "url": "https://github.com/supertokens/supertokens-core/commit/c950a01794cf0983ebd62412976cb80756bf5dd0"}, {"source": "security-advisories@github.com", "url": "https://github.com/supertokens/supertokens-core/commit/d456dfbc02f2f7d68be7c05d876bdaa086f9a5b5"}, {"source": "security-advisories@github.com", "url": "https://github.com/supertokens/supertokens-core/commit/fc273f5157d3e96f147aa42773607d627d3b495f"}, {"source": "security-advisories@github.com", "url": "https://github.com/supertokens/supertokens-core/releases/tag/v11.0.9"}, {"source": "security-advisories@github.com", "url": "https://github.com/supertokens/supertokens-core/releases/tag/v11.1.4"}, {"source": "security-advisories@github.com", "url": "https://github.com/supertokens/supertokens-core/releases/tag/v11.2.4"}, {"source": "security-advisories@github.com", "url": "https://github.com/supertokens/supertokens-core/releases/tag/v11.3.8"}, {"source": "security-advisories@github.com", "url": "https://github.com/supertokens/supertokens-core/releases/tag/v11.4.8"}, {"source": "security-advisories@github.com", "url": "https://github.com/supertokens/supertokens-core/releases/tag/v12.0.11"}, {"source": "security-advisories@github.com", "url": "https://github.com/supertokens/supertokens-core/releases/tag/v12.1.2"}, {"source": "security-advisories@github.com", "url": "https://github.com/supertokens/supertokens-core/releases/tag/v12.2.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/supertokens/supertokens-core/releases/tag/v12.3.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/supertokens/supertokens-core/security/advisories/GHSA-2pc4-vw9j-454c"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-362"}, {"lang": "en", "value": "CWE-613"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.0.0,11.0.0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[11.0.0,11.0.9)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[11.1.0,11.1.4)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[11.2.0,11.2.4)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[11.3.0,11.3.8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[11.4.0,11.4.8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[12.0.0,12.0.11)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[12.1.0,12.1.2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[12.2.0,12.2.1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[12.3.0,12.3.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "supertokens-core", "source": "cna", "vendor": "supertokens"}, "product": "supertokens", "vendor": "supertokens"}], "created": "2026-11-09T22:00:15.823692+00:00", "updated": "2026-11-11T16:00:03.837763+00:00", "vendors": ["supertokens", "supertokens$PRODUCT$supertokens"]}