highLogic errorEVM-Solidity
Putty: Fee is being deducted when Put is expired and not when it is exercised.
- Payout
- $0
- Protocol
- Putty
- Disclosed
- Aug 7, 2026
- Source
- code4rena
The Putty V2 contract contained a logic error in its fee application mechanism for put options, causing fees to be charged incorrectly upon expiration rather than exercise. This flaw led to an unintended loss of assets for users holding expired put options whi …
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References
- https://github.com/code-423n4/2022-06-putty-findings/issues/269
- https://github.com/code-423n4/2022-06-putty-findings
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