CVE-2021-29249: Btcpayserver Btcpay Server

High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days.

BTCPay Server before 1.0.6.0, when the payment button is used, has a privacy vulnerability.

Affected products

• Btcpayserver Btcpay Server: before 1.0.6.0 (fixed in 1.0.6.0)

Published 2021-03-26. Last modified 2026-06-17.