Aztec V5 Upgrade Exposes Security Flaws; Users Advised to Withdraw Before June 25

Aztec disclosed that its V5 upgrade exposed security flaws in the V4 shielded pool contracts and advised all V4 users to withdraw funds before June 25. The disclosure occurred shortly after Aztec reached Stage 2 classification on L2Beat through governance revocation of rollup contract ownership. The V4 vulnerability is separate from the previously reported Zcash Orchard Pool counterfeiting bug.

📈 Aztec V5 upgrade identified security flaws in V4 contracts, triggering withdrawal advisory for all V4 users before June 25.