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Hack history / 2026 / Hack or exploit

Dango

Hack or exploit on Apr 13, 2026 · Missing Input Validation

SOURCES AGREE ON DATE AND LOSS · 2 SOURCES
Lost
$1.9M
dollars at the time
Returned
$410K
22% of the loss, as a source states it
Rank
#713
among thefts by dollars lost

What happened

On April 13, 2026, Dango Protocol was exploited for $1.9M via missing validation on donation amounts. Attackers donated negative amounts to manipulate protocol balances, cashing out $410K before the team recovered $1.49M in tokens.

Details

Date
Apr 13, 2026
Kind
Hack or exploit
Method
Missing Input Validation
How in
Smart contract bug
Target
DeFi protocol
Chains
Dango

After the theft

Recovered or seized
$1.5M
“Attackers donated negative amounts to manipulate protocol balances, cashing out $410K before the team recovered $1.49M in tokens.” (DefiLlama)
Returned by the attacker
yes, amount not stated
“The DeFi project Dango released an update three hours after disclosing a security incident last night, stating that the white-hat hacker has fully returned the stolen funds and received a bug bounty.” (SlowMist Hacked)
Bounty paid
yes, amount not stated
“The DeFi project Dango released an update three hours after disclosing a security incident last night, stating that the white-hat hacker has fully returned the stolen funds and received a bug bounty.” (SlowMist Hacked)
Victims reimbursed
yes, amount not stated
“According to the earlier announcement, the attacker exploited a logic flaw in the insurance fund to steal USDC collateral.” (SlowMist Hacked)

Reported by

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Cite this pageSwanBluechip, "Dango hack, Apr 13, 2026: $1.9M lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/ht5122ae07f1/ (data as of 2026-11-01).
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