Bridge Incident Registry
Bridge entity

Magpie Protocol

Magpie Protocol is a cross-chain liquidity and swap aggregator whose current public product identity is Fly. It is included because an April 2024 MagpieRouterV2 validation flaw exposed approved wallet assets, followed by a pause, contract remediation, full protocol-funded reimbursement, security work, and reopening.

active reviewed current

Bridge facts

Canonical name
Magpie Protocol
Type
Bridge Aggregator
Status
Active
Confidence
High
Primary chains
Ethereum, BNB Chain, Polygon, Avalanche, Arbitrum, Optimism, Fantom, Solana, Unknown
Primary assets
ETH, WETH, BNB, USDC, USDT, DAI, Unknown
Operator
Fly / Magpie Protocol team
Ecosystem
Fly
Launch date
Unknown
End date
Unknown
Terminal reason
Not applicable / unknown
Last reviewed
2026-07-28
Last verified
2026-07-28

Incident cases

  • Magpie Protocol 2024 MagpieRouterV2 exploit2024-04-23

    A selector-position validation flaw in MagpieRouterV2 allowed an attacker to bypass transfer protections and drain approved assets from 221 wallets. Magpie reported USD 129,000 stolen, paused the dApp, fixed the vulnerable path, reimbursed every affected wallet in full, and later reopened after additional review and security work.

    ExploitUSD 129,000 from 221 walletsFinal outcome known

Evidence records

Official URL status

Official URL recorded as live: https://www.fly.trade/