1inch Fusion v1 resolvers exploit on 2025-03-05
Exploit, 5 Mar 2025. Last verified 4 Nov 2026.
notable
Reported loss
Not stated
no amount published
Recovered
-
nothing reported
Status
Unknown
updated 26 Oct 2026
Date
other
Summary
On 2025-03-05 a flaw in the obsolete 1inch Fusion v1 settlement contract was exploited against resolver contracts that still contained the old implementation. 1inch said no end users were affected and redeployed the contract as a precaution; it did not state a loss amount.
- Protocol
- 1inch Fusion v1 resolvers
- Type
- Exploit
- Reported loss
- not stated
Facts and where they come from
| Fact | Value | Source |
|---|---|---|
| Date | March 5, 2025 | 1inch.com ↗ |
| Scope | resolver contracts with the V1 implementation | 1inch.com ↗ |
| Users | no end users affected | 1inch.com ↗ |
Primary sources
- 1inch: Vulnerability in obsolete contract affecting resolver contracts ↗ official announcement · accessed 2026-11-04
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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