Hack history / 2026 / Hack or exploit
DefiTuna Lending
Hack or exploit on Jul 16, 2026 · Swap Logic Flaw
SOURCES AGREE ON DATE AND LOSS · 2 SOURCES
Lost
$580K
dollars at the time
Returned
none listed
as the sources state it
Rank
#1,100
among thefts by dollars lost
What happened
DefiTuna Lending on Solana exploited for $580K on July 16, 2026. Attackers created a highly illiquid TUNA/USDC pool and routed borrowed USDC through it. The negligible swap output caused position value to round to zero, bypassing the solvency check.
Details
- Date
- Jul 16, 2026
- Kind
- Hack or exploit
- Method
- Swap Logic Flaw
- How in
- Smart contract bug
- Target
- DeFi protocol
- Chains
- Solana
Reported by
Related incidents
Secured Finance Lending 2026 · Hack or exploit · $104K
Moonwell Lending 2026 · Hack or exploit · $8.7M
Surf Lending 2026 · Hack or exploit · undisclosed
Fluid Lending 2026 · Hack or exploit · $215K
UdonFi Lending 2026 · Hack or exploit · undisclosed
Moonwell Lending 2026 · Hack or exploit · $8.7M
Surf Lending 2026 · Hack or exploit · undisclosed
Fluid Lending 2026 · Hack or exploit · $215K
UdonFi Lending 2026 · Hack or exploit · undisclosed
Cite this page
SwanBluechip, "DefiTuna Lending hack, Jul 16, 2026: $580K lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/htc6f2f23075/ (data as of 2026-10-31).