CVE-2026-105218
Published:October 04, 2026
Updated:October 13, 2026
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.
Affected Packages
https://github.com/go-pay/gopay.git (GITHUB):
Affected version(s) >=v1.0.3 <v1.5.119Fix Suggestion:
Update to version v1.5.119github.com/go-pay/gopay (GO):
Affected version(s) >=v1.0.2-0.20190218103458-ff13bb40776c <v1.5.119Fix Suggestion:
Update to version v1.5.119Related Resources (7)
Do you need more information?
Contact UsCVSS v4
Base Score:
9.1
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.4
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Improper Certificate Validation
EPSS
Base Score:
0.16