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Medium0xCERT-2026-0154·

MakerDAO ETH-A Liquidation Keeper Bot exploit — $538k lost on Ethereum

MakerDAO ETH-A Liquidation Keeper Bot lost an estimated $538k on Ethereum (improper access control), according to the DeFiLlama hacks database. Users and integrators should review exposure and follow the project's official channels.

Vuln-watch · relayed from the DeFiLlama hacks database; see Source & attribution below

Affected chainsEthereum

Summary

MakerDAO ETH-A Liquidation Keeper Bot lost an estimated $538k on Ethereum (improper access control), according to the DeFiLlama hacks database. Users and integrators should review exposure and follow the project's official channels.

Incident

  • Protocol: MakerDAO ETH-A Liquidation Keeper Bot
  • Date (UTC): 2026-10-06
  • Estimated loss: $538k
  • Chain(s): Ethereum
  • Technique: Improper Access Control
  • Classification: Access Control
  • Target: DeFi Protocol

Recommended actions

  • Revoke token approvals granted to MakerDAO ETH-A Liquidation Keeper Bot contracts until the project confirms they are safe
  • Integrators: pause or delist affected assets and monitor for attacker fund movements
  • Beware of follow-on phishing: ignore unofficial "refund", "recovery", or "claim" links and DMs; use the project's verified channels only

Source & attribution

This 0xCERT advisory relays an incident recorded in the DeFiLlama hacks database (https://defillama.com/hacks). Figures are preliminary estimates and may be revised; refer to the project's own post-mortem for the authoritative record. Report additional details to 0xCERT at https://www.0xcert.com/report.

Indicators of compromise

All IOC feeds →
  • address0x01eb957e5c7dcddd60f3c875956ccc6fb9bda5fa
  • address0xec997d2ad033277913d6002277353368e8321dcf
  • address0xf09a13072ed939b79bc25b66aa3a836ea6dcc170
  • tx0x4a587af4213cc345c4c109fbf5fec46f9643183f91a9edf60305380f31ad1167
  • tx0xb8ecff9c129d8d9331c85558eaeddff29a38c4c16b71a40986acbf8f6febefeb
  • tx0xbb6940f7c2a1e68cafbae7bb9b94d09af9af06ec3a114f6996f2cab993f3a88c
  • tx0xd4c0b18a058e7f0a12855f30174f4cb1e973c15c886063deab97e1a21f048ac6

OpenPGP-signed. The signed text of this advisory verifies against the 0xCERT key CCC7 D9EC 9415 723D.

Published 2026-10-06 · last updated 2026-10-08

curl -s https://www.0xcert.com/pgp.asc | gpg --import && curl -s https://www.0xcert.com/advisory/0xCERT-2026-0154/signed.txt | gpg --verify