ChainBleedv0.1 · open intel
← back to feed·ETHFLASHLOAN2022-05-09 · 4y ago
Incident · SLOWMIST

Fortress Protocol

Flash Loan Attack
Estimated loss
$3.05M
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/2022-05/FortressLoans_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

Fortress Protocol, a lending protocol on BNB Chain, was suspected of being attacked. Token FTS fell by 42% in a short time. Currently, 1,048 Ethereum and 400,000 DAI have been transferred to Tornado.cash. Attack method (per SlowMist): Flash Loan Attack. Reported loss: $ 3,050,000.

Primary source
https://twitter.com/Fortressloans/status/1523495202115051520
Sourced from
slowmist
Technical record
chain
ethereum
protocol
Fortress Protocol
bug_class
flashloan
date_occurred
2022-05-09
loss_usd
$3,050,000
source_id
sm:fortress-protocol::2022-05-09
Related — same bug class· flashloan
2026-05-11
1mo ago
POLY
Ink Finance
Contract Vulnerability
flashloan
$140.0K
UNRATED
2026-05-04
1mo ago
ETH
SmartCredit
Flashloan Exploit
flashloan
$72.0K
UNRATED
2026-05-04
1mo ago
SmartCredit
Flash Loan Exploit
flashloan
$72.0K
UNRATED
2026-04-28
1mo ago
BSC
JUDAO
Flashloan Exploit
flashloan
$228.0K
UNRATED
2026-04-28
1mo ago
JUDAO
Exploit
flashloan
$228.0K
UNRATED
2026-04-15
1mo ago
LootBot AI
Contract Vulnerability
flashloan
$9.6K
UNRATED
ChainBleed — live web3 threat intelligence