Polymarket Users to Be Reimbursed After $2.9M Hack

WHO:

Cointelegraph - Polymarket, a prediction market platform, is involved in the incident.

TechCrunch - Polymarket is identified as the organization affected by the breach.

WHAT:

Cointelegraph - Polymarket reported a theft of $2.9 million.

TechCrunch - Polymarket stated it will refund users who had funds stolen due to the breach.

WHERE:

Cointelegraph - The incident occurred on the Polymarket platform, which operates online.

WHEN:

TechCrunch - The article does not specify a date for the breach but mentions that users will be refunded.

WHY:

Cointelegraph - The breach was caused by attackers injecting a malicious script into Polymarket's frontend.

HOW:

Cointelegraph - Polymarket contained the compromise and removed the affected dependency following the attack.

(UPDATED June 26, 2026 11:56 UTC)

Polymarket, a prediction market platform, has reported a theft of $2.9 million due to a breach caused by attackers injecting a malicious script into its frontend. The organization has stated that it will refund users who had funds stolen during the incident, which occurred on its online platform. Following the attack, Polymarket successfully contained the compromise and removed the affected dependency.