Hack history / 2026 / Hack or exploit
Gnosis Pay
Hack or exploit on Jun 1, 2026 · Signature Verification Flaw
SOURCES AGREE ON DATE AND LOSS · 2 SOURCES
Lost
$1.5M
dollars at the time
Returned
none listed
as the sources state it
Rank
#788
among thefts by dollars lost
What happened
On June 1, 2026, Gnosis Pay's Zodiac modules were exploited via a flawed ERC-1271 signature verification check that failed to validate contract call success. The attack affected 5,281 wallets, but Gnosis detected it within 2 hours and refunded users 100%.
Details
- Date
- Jun 1, 2026
- Kind
- Hack or exploit
- Method
- Signature Verification Flaw
- How in
- Smart contract bug
- Target
- Other
- Chains
- Gnosis, Ethereum
After the theft
- Returned by the attacker
- yes, amount not stated
“The attack affected 5,281 wallets, but Gnosis detected it within 2 hours and refunded users 100%.” (DefiLlama) - Victims reimbursed
- yes, amount not stated
“The Gnosis team confirmed that affected users will be fully reimbursed.” (SlowMist Hacked)
Reported by
Related incidents
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Lixir Finance 2026 · Hack or exploit · $12K
Wanchain 2026 · Hack or exploit · $10M
Lumi Finance 2026 · Hack or exploit · $270K
Nimiq 2026 · Hack or exploit · $50K
Lixir Finance 2026 · Hack or exploit · $12K
Cite this page
SwanBluechip, "Gnosis Pay hack, Jun 1, 2026: $1.5M lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/ht23ba1ce14a/ (data as of 2026-10-31).