Fence Finance: about $1M exploit on Avalanche

2026-10-27. Reported by public sources (confirmed by DeFiLlama). Amounts are as reported; the trace below shows what the chain says.

Fence Finance, an Avalanche protocol, reported an exploit of about $1.0M, according to DeFiLlama, which detected the loss on 2026-10-27 at 00:00 UTC. Defimon Alerts posted on 2026-10-28 at 06:24 UTC that the loss came from a logic bug in an unverified contract, attributing it to incorrect share accounting in Fence's Avalanche USDC pool. No attacker address has been named in the reports, and the funds have not yet been traced. Recovery status and any freezes are not reported in the available sources.

Amount: about $1M (reported). Networks: Avalanche.

What is known

Reported: By DeFiLlama, @DefimonAlerts.
Confirmed: Confirmed by DeFiLlama. The amount is as reported.
Recorded on Kadena: Not yet.
Attacker address: None attributed by a source yet.
Frozen: No freeze read on chain.
Returned: No return of funds recorded here.
Trace coverage: Not traced yet: the trace starts when a source names an address.

Sources

DeFiLlama
@DefimonAlerts: 🚨 Defimon detected another exploit on Avalanche. @fence_finance lost around $1M due to a logic bug in an unverified contract. Fence's Avalanche USDC pool runs

Timeline

2026-10-28 Post cited by the coverage: @DefimonAlerts link
2026-10-27 Detected from DeFiLlama: about $1M link

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