Bisq v1 protocol exploit: ~11 BTC stolen
On May 1, 2026, an attacker exploited a negative miner-fee validation bug in the Bisq v1 trade protocol and took about 11 BTC from roughly 10 users, mostly on altcoin trades. Bisq patched the flaw in v1.10.0 two weeks later and published a full post-mortem. The bug never reached the newer Bisq 2 or Bisq Easy protocols. The Bisq DAO reimbursed affected users in full, in BTC or BSQ. See the official thread for details. Read more Show less
On May 1, 2026, an attacker exploited a negative miner-fee validation bug in the Bisq v1 trade protocol and took about 11 BTC from roughly 10 users, mostly on altcoin trades.
Bisq patched the flaw in v1.10.0 two weeks later and published a full post-mortem. The bug never reached the newer Bisq 2 or Bisq Easy protocols.
The Bisq DAO reimbursed affected users in full, in BTC or BSQ. See the official thread for details.
Stepped down from -22 on resolution · fades to 0 by May 2027
Nice exchange! No issues at all