ChainBleedv0.1 · open intel
← back to feed·FLASHLOAN2023-05-09 · 3y ago
Incident · SLOWMIST

MChainCapital

Flash Loan Attack
Estimated loss
$18.9K
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/2023-05/MultiChainCapital_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

MChainCapital suffered a flash loan attack and lost about $18,871. TX: https://etherscan.io/tx/0xf72f1d10fc6923f87279ce6c0aef46e372c6652a696f280b0465a301a92f2e26 Attack method (per SlowMist): Flash Loan Attack. Reported loss: $ 18,871.

Primary source
https://twitter.com/NumenAlert/status/1655851512445403138
Sourced from
slowmist
Technical record
chain
protocol
MChainCapital
bug_class
flashloan
date_occurred
2023-05-09
loss_usd
$18,871
source_id
sm:mchaincapital::2023-05-09
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