VERDICT —UNRATED
Verdict pending. Auto-ingested incidents are reviewed before a public verdict is rendered.
Root cause
Root-cause analysis not yet published. The incident description below contains all currently available signal — review the attack transaction directly for definitive forensics.
Forensic narrative
A vulnerability in Bisq v1 trade protocol allowed attackers (possibly using modified clients) to bypass verification and drain Bitcoin from open offers. Primarily affected altcoin trades. User wallets holding BTC were not directly impacted. The team activated emergency measures to disable trading and is preparing a DAO vote for full reimbursement. Attack method (per SlowMist): Business Logic Vulnerability. Reported loss: $ 858,000.
Primary source
https://x.com/bisq_network/status/2050917431699460231 ↗Sourced from
slowmist
Technical record
- chain
- bitcoin
- protocol
- Bisq
- bug_class
- logic
- date_occurred
- 2026-05-01
- loss_usd
- $858,000
- source_id
- sm:bisq::2026-05-01
Related — same bug class· logic