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CVE-2026-105218: Improper Certificate Validation in go-pay gopay

0
Critical
VulnerabilityCVE-2026-105218cvecve-2026-105218
Published: 10/04/2026 (10/04/2026, 17:09:53 UTC)
Source: CVE Database V5
Vendor/Project: go-pay
Product: gopay

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.

CVSS v4.0

Score 9.1critical

Attack Vector
Network
Attack Complexity
High
Attack Requirements
Present
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
High
Vuln. Integrity
High
Vuln. Availability
None
Subsq. Confidentiality
None
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Affected software

go-pay

gopay

Affected versions
>=0 <1.5.119

Technical Details

Data Version
5.2
Assigner Short Name
VulnCheck
Date Reserved
2026-10-04T13:04:00.479Z
Cvss Version
4.0
State
PUBLISHED

Threat ID: 6ac28a8bc8a8bb8b79a5ca8f

Added to database: 10/04/2026, 17:19:07 UTC

Last updated: 10/04/2026, 17:19:07 UTC

Views: 1

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