mediumLogic errorEVM-Solidity
Putty: Put option sellers can prevent exercise by specifying zero amounts, or non-existant tokens
- Payout
- $0
- Protocol
- Putty
- Disclosed
- Aug 7, 2026
- Source
- code4rena
The Putty protocol contained a logic vulnerability where option sellers could create orders that were impossible to exercise, effectively stealing the buyer's premium. By specifying either a zero-amount asset or a non-existent token address, a seller could for …
Similar reports
- No close matches yet.
References
- https://github.com/code-423n4/2022-06-putty-findings/issues/223
- https://github.com/code-423n4/2022-06-putty-findings
This report is already public and closed. Coin Buggie never publishes active or unpatched vulnerability data.