A Time-of-Check to Time-of-Use race condition in Querybook allows attackers to bypass the single-administrator restriction by simultaneously creating multiple super-admin accounts during initial setup. Developers must avoid non-atomic read-then-write checks for critical state changes, as failing to implement database-level locks or unique constraints can lead to permanent system compromise. This vulnerability underscores the necessity of Zero Trust architectures where internal network access does not equate to inherent user trust.
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Ali NematiWritten by Ali
