Fei Protocol
Hack or exploit on May 2, 2021 · Contract Vulnerability
What happened
Fei Labs, the development team of the decentralized stablecoin project Fei Protocol, tweeted that a vulnerability involving the ETH joint curve contract was discovered and disclosed on May 2 and the contract was immediately suspended. The vulnerability has not been exploited and will not affect any users. . This loophole will cause the flash loan market manipulation to exhaust Fei Protocol's Protocol Control Fund (PCV). In addition, Fei Protocol awarded the vulnerability discoverer Alexander Schlindwein a $800,000 TRIBE token reward. Currently, OpenZeppelin and Alexander Schlindwein have assisted in repair review and verification, sending ETH from the joint curve to the reserve stabilizer instead of the ETH-FEI Uniswap pool to eliminate the attack vector, and adding to the pool to prevent malicious arbitrage Other reviews.
Details
- Date
- May 2, 2021
- Kind
- Hack or exploit
- Method
- Contract Vulnerability
- How in
- Price, oracle and governance
- Target
- not stated
- Chains
- Ethereum
Reported by
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SwanBluechip, "Fei Protocol hack, May 2, 2021: undisclosed lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/ht893eda5c60/ (data as of 2026-11-01).