[Base Chain Suffers Approximately $90,000 Loss Due to 'transferFrom' Vulnerability] The Phalcon alert system from security firm BlockSec detected that the Base Chain suffered a loss of approximately $90,000 due to a 'transferFrom' vulnerability. The vulnerability stems from insufficient access control, allowing arbitrary low-level calls within callback functions. BlockSec recommends users immediately revoke all authorizations to the unknown contract address 0xD9f4a3238154ff6439e37F98c9B11489353715Bb to prevent further losses.