CVE-2026-105218

CVSS 9.1 (critical) · published 2026-10-04

gopay before 1.5.119 disables TLS certificate verification in defaultClient() in pkg/xhttp/client.go, allowing man-in-the-middle attackers to impersonate payment provider APIs. Attackers can present any certificate to read merchant credentials, signatures and transaction data, and modify payment, refund and order query responses.

Weakness: CWE-295

Source: NVD CVE-2026-105218

References

• https://github.com/go-pay/gopay
• https://github.com/go-pay/gopay/blob/v1.5.118/pkg/xhttp/client.go#L15-L37
• https://github.com/go-pay/gopay/commit/f6df04fd4f64a2ad2c303ba063b6502bfdd259fd
• https://github.com/go-pay/gopay/issues/540
• https://www.vulncheck.com/advisories/gopay-before-1.5.119-disabled-tls-certificate-verification-in-xhttp-client

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