Hack history / 2026 / Hack or exploit
Mure
Hack or exploit on May 21, 2026 · Signature Verification Flaw
ATTACK TX CONFIRMED ON CHAINSOURCES AGREE ON DATE AND LOSS · 3 SOURCES
Lost
$12K
dollars at the time
Returned
none listed
as the sources state it
Rank
#2,230
among thefts by dollars lost
What happened
Mure's MureDistribution proxy on Ethereum was drained in a single transaction on 21 May 2026 after a caller-controlled signer address was passed to SignatureChecker, causing it to fall through to the ERC-1271 path and return true for a forged signature. This authorized transferFrom of 4.85M QUEST tokens pre-approved to the proxy, which sold for ~5.45 ETH (~$11.7K).
Details
- Date
- May 21, 2026
- Kind
- Hack or exploit
- Method
- Signature Verification Flaw
- How in
- Smart contract bug
- Target
- DeFi protocol
- Chains
- Ethereum
Reported by
Related incidents
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Gnosis Pay 2026 · Hack or exploit · $1.5M
Lumi Finance 2026 · Hack or exploit · $270K
Nimiq 2026 · Hack or exploit · $50K
Lixir Finance 2026 · Hack or exploit · $12K
Gnosis Pay 2026 · Hack or exploit · $1.5M
Lumi Finance 2026 · Hack or exploit · $270K
Nimiq 2026 · Hack or exploit · $50K
Lixir Finance 2026 · Hack or exploit · $12K
Cite this page
SwanBluechip, "Mure hack, May 21, 2026: $12K lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/htc84ada8157/ (data as of 2026-11-01).