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Tech

Hackers Drain $2.6M+ From Polymarket Users’ Wallets

At least $2.6 million was drained from Polymarket users’ accounts on Thursday after hackers exploited a compromised third-party website script, The Wall Street Journal reported. Polymarket briefly paused trading on its international exchange, said it fixed the issue, and pledged to reimburse affected users; its U.S. platform was not compromised, CNBC reported. A person familiar told CNBC it stemmed from a hack of monitoring firm DebugBear, which confirmed a security incident.

94%3 conf.Grok-confirmed · Ranked High • Confirmed
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Original TruthRank graphic (no logos). Reported independently by The Wall Street Journal, CNBC and BleepingComputer. Total losses and the number of affected users are still being tallied.
Original TruthRank graphic (no logos). Reported independently by The Wall Street Journal, CNBC and BleepingComputer. Total losses and the number of affected users are still being tallied.Graphic: TruthRank (original; no photos or logos)

What’s confirmed

  • At least $2.6 million was drained from Polymarket users’ accounts on Thursday after hackers exploited a compromised third-party website script, The Wall Street Journal reported.
  • Polymarket briefly paused trading on its international exchange, said it fixed the issue, and pledged to reimburse affected users; its U.S. platform was not compromised, CNBC reported.
  • A person familiar told CNBC it stemmed from a hack of monitoring firm DebugBear, which confirmed a security incident.

Confirmed by 3 independent outlets: WSJ, CNBC and BleepingComputer.

What would move the score

  • Now: 94% with 3 independent confirmations plus the primary source.
  • Up: more independent outlets or primary records confirming the core claim.
  • Down: a counted source correcting or walking back its report, or new evidence that weakens the claim.

Any change is logged below with the time and the old and new score. Corrections policy

Confirmation record

Plus the primary source: Polymarket’s statements to users.
✓WSJ Counted
https://www.wsj.com/business/polymarket-pauses-trading-after-some-users-report-funds-drained-b014527d
✓CNBC Counted
https://www.cnbc.com/2026/10/29/polymarket-reports-outage-on-international-exchange-halts-trading.html
✓BleepingComputer Counted
https://www.bleepingcomputer.com/news/security/polymarket-halts-trading-after-crypto-draining-script-breach-25m-traced/

Updated / Corrected log

  • Published at 94% with 3 independent confirmations.

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Any correction is logged here with its time and the reason. See our corrections policy.

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