VERDICT —UNRATED
Verdict pending. Auto-ingested incidents are reviewed before a public verdict is rendered.
▰ METHOD
Undisclosed
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/2021-05/PancakeBunny_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
Popular Binance Smart Chain-based decentralized finance protocol PancakeBunny has suffered a major exploit that allowed a hacker to make off with more than $200 million worth of crypto assets. Reported loss: $200,000,000.
Primary source
https://cointelegraph.com/news/pancakebunny-tanks-96-following-200m-flash-loan-exploit ↗Sourced from
chainsec
Technical record
- chain
- bsc
- protocol
- PancakeBunny
- bug_class
- unknown
- date_occurred
- 2021-05-19
- loss_usd
- $200,000,000
- source_id
- cs:pancakebunny::2021-05-19
Related — same bug class