CVE-2026-105218
High
Description
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.
SeverityHigh
CVSS7.4
Exploit probability—
ProductGo-pay Gopay
PublishedOct 4, 2026
First seenOct 4, 2026
Weakness typeCWE-295CWE-295
How to fix
Update
- go-pay gopay1.5.119 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| go-pay gopay | v < 1.5.119 | 1.5.119 |
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