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Polymarket Links Account Breaches to Third-Party Authentication Provider image from coindesk.com
Image from coindesk.com

Polymarket Links Account Breaches to Third-Party Authentication Provider

Posted 24th Dec 2025

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Polymarket has acknowledged unauthorized access to user accounts, attributing the incident to a vulnerability introduced by a third-party authentication provider. The issue was first brought to light through user reports of missing funds and suspicious login attempts, with some accounts experiencing balances wiped to one cent, losses around $2,000, a top 1000 account drained, and a testing account compromised.

While Polymarket has not disclosed the number of affected users or the total amount of stolen funds, some users speculate that the third-party provider involved is Magic Labs, an email-based login and wallet-creation tool. However, Polymarket has not confirmed the provider's identity.

The company announced that remediation measures have been completed and no ongoing risk remains. Impacted users will be contacted directly.

This incident underscores the risks associated with relying on third-party login tools on cryptocurrency platforms.

Sources
Coindesk Logo
https://coindesk.com/business/2025/12/24/polymarket-points-to-third-party-login-tool-after-users-report-account-breaches
* This article has been summarised using Artificial Intelligence and may contain inaccuracies. Please fact-check details with the sources provided.