Prediction Market
1 incident, 0 live. 119 days since the last new one.
1 drains in the last 12 months
1 drains in the last 12 months
1 drains in the last 12 months
1 drains in 2026
1 drains in 2026
Critical 4 · High 3 · Med 2 · Low 1 · Update ½Severity-weighted: critical 4 · high 3 · medium 2 · low 1 · update ½
Less More
Past
June 2026 1
-
Critical✓Contained
Polymarket front-end compromised through third-party vendor; about $3M of users' pUSD drained
Polymarket disclosed on 25 June 2026 that a breached third-party vendor let attackers inject malicious code into its website for some users. Users who interacted with the compromised front-end had their pUSD (Polymarket's USDC-backed stablecoin) drained; Bubblemaps estimated about $3M taken from fewer than 15 users, and the funds were converted to ETH. Polymarket removed the code and says it will fully refund affected users.
Polymarket web app users·Polygon, Ethereum·$3.0M stolen·Since Jun 25, 2026·
No drains match these filters.