Penpie exploit on 2024-09-03 ($27.3M reported)

Exploit on Ethereum, Arbitrum, 3 Sep 2024. Reported loss $27.3M. Last verified 4 Nov 2026.

major
Reported loss
$27.3M
as reported by the sources
Recovered
-
nothing reported
Status
Unknown
updated 26 Oct 2026
Date
Ethereum, Arbitrum

Summary

On 2024-09-03 an attacker exploited the reward-harvesting function of the Pendle yield booster Penpie with a malicious SY contract, stealing 11,113.6 ETH (about $27.3 million) from users on Ethereum and Arbitrum; Penpie later minted 31 million recovery tokens for compensation.

Protocol
Penpie
Type
Exploit
Reported loss
$27,300,000 · as stated: 11,113.6 ETH source: gov.magpiexyz.io ↗
curated history · updated 2026-10-26 15:28 UTC

Facts and where they come from

Approved facts and their primary sources
FactValueSource
DateSeptember 3, 2024gov.magpiexyz.io ↗
Amount11,113.6 ETHgov.magpiexyz.io ↗
Amount (USD)approximately $27.3 milliongov.magpiexyz.io ↗
Causemalicious SY contract repeatedly harvesting market rewardsgov.magpiexyz.io ↗
Compensation31 million #PRT tokensdocs.penpiexyz.io ↗

Primary sources

Our own summary of facts published by the sources above. We do not attribute fault beyond them. Amounts are as the sources state them (no USD conversion by us); links and quoted figures last checked 2026-11-04.

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