{"id":"CVE-2026-123804","published":"2026-11-09T19:16:47.457","lastModified":"2026-11-09T19:16:47.457","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.","cvssScore":6.8,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","cwes":["CWE-362","CWE-613"],"vendors":[],"products":[],"references":[{"url":"https://github.com/supertokens/supertokens-core/commit/182b39454ac44649cdef22d87f296a38a0b1a602","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/commit/378e1157dc26232a518d2c360ee60cf93c2fd8a2","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/commit/5aec64aca6d765cde491658210e6922e291742fd","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/commit/b1c569ed59fffe16c2f657da1754abcae47d2761","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/commit/b44f1e1418206f411e541501c2e5b9b147add0d9","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/commit/bb6d5f8d1b79770e3cc37f214ba94c3e36e9c3b8","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/commit/c0b7f5eda20840f63f6b0f171d22bd49a7a609a1","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/commit/c8b48e843b323cd749dcb17b6b81c190e7882a43","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/commit/c950a01794cf0983ebd62412976cb80756bf5dd0","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/commit/d456dfbc02f2f7d68be7c05d876bdaa086f9a5b5","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/commit/fc273f5157d3e96f147aa42773607d627d3b495f","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/releases/tag/v11.0.9","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/releases/tag/v11.1.4","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/releases/tag/v11.2.4","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/releases/tag/v11.3.8","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/releases/tag/v11.4.8","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/releases/tag/v12.0.11","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/releases/tag/v12.1.2","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/releases/tag/v12.2.1","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/releases/tag/v12.3.1","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/security/advisories/GHSA-2pc4-vw9j-454c","tags":[]}],"exploitRefs":[{"url":"https://github.com/supertokens/supertokens-core/commit/182b39454ac44649cdef22d87f296a38a0b1a602","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/commit/378e1157dc26232a518d2c360ee60cf93c2fd8a2","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/commit/5aec64aca6d765cde491658210e6922e291742fd","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/commit/b1c569ed59fffe16c2f657da1754abcae47d2761","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/commit/b44f1e1418206f411e541501c2e5b9b147add0d9","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/commit/bb6d5f8d1b79770e3cc37f214ba94c3e36e9c3b8","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/commit/c0b7f5eda20840f63f6b0f171d22bd49a7a609a1","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/commit/c8b48e843b323cd749dcb17b6b81c190e7882a43","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/commit/c950a01794cf0983ebd62412976cb80756bf5dd0","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/commit/d456dfbc02f2f7d68be7c05d876bdaa086f9a5b5","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/commit/fc273f5157d3e96f147aa42773607d627d3b495f","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/releases/tag/v11.0.9","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/releases/tag/v11.1.4","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/releases/tag/v11.2.4","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/releases/tag/v11.3.8","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/releases/tag/v11.4.8","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/releases/tag/v12.0.11","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/releases/tag/v12.1.2","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/releases/tag/v12.2.1","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/releases/tag/v12.3.1","tags":[]},{"url":"https://github.com/supertokens/supertokens-core/security/advisories/GHSA-2pc4-vw9j-454c","tags":[]}],"hasPoc":true,"ai":null}