The developers of Arknights: Endfield have fixed the issue with PayPal and refunded the affected users.
Arknights: Endfield Developers Fix PayPal Glitch and Refund Affected Players
A payment security incident occurred in Arknights: Endfield. Numerous players reported unauthorized charges through linked PayPal accounts, with amounts reaching up to thousands of euros.
The developers disabled PayPal, conducted an audit, and began refunding all payments made during the vulnerable period on the morning of January 22, 2026. Most refunds are already being processed.
The game itself remains available, and the team has promised to enhance security measures.