ChainBleedv0.1 · open intel
← back to feed·FLASHLOAN2022-04-18 · 4y ago
Incident · CHAINSEC

Beanstalk Farms

Exploit
Estimated loss
$182.00M
VERDICT —UNRATED
Verdict pending. Auto-ingested incidents are reviewed before a public verdict is rendered.
▰ METHOD
FLASHLOAN
FLASHLOANBYTECODE CATCHABLEAI SCANNABLE
Root cause

Root-cause analysis not yet published. The incident description below contains all currently available signal — review the attack transaction directly for definitive forensics.

▰ PROOF OF CONCEPT
DEFIHACKLABS
src/test/2022-04/Beanstalk_exp.sol
view forked test on github ↗

Reproducible Foundry test fork from SunWeb3Sec/DeFiHackLabs. Clone the repo, run forge test against the file path above, and replay the exploit against a mainnet fork at the historical block. Use for reproduction only — not for live targets.

Forensic narrative

Credit-based stablecoin protocol Beanstalk Farms lost all of its $182 million collateral from a security breach caused by two sinister governance proposals and a flash loan attack. Reported loss: $182,000,000.

Primary source
https://cointelegraph.com/news/beanstalk-farms-loses-182m-in-defi-governance-exploit
Sourced from
chainsec
Technical record
chain
protocol
Beanstalk Farms
bug_class
flashloan
date_occurred
2022-04-18
loss_usd
$182,000,000
source_id
cs:beanstalk-farms::2022-04-18
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