The XRP Ledger has disclosed and patched a critical minting vulnerability that researcher Cayden Liao identified could have generated approximately 18.45 trillion XRP through a single trigger. The security flaw was resolved on September 25 following responsible disclosure. Investigators confirmed there is no evidence the bug was exploited on the public network prior to the fix. The disclosure indicates the vulnerability has been fully mitigated, ensuring the integrity of the XRP supply remains intact.