{"id":"CVE-2026-105218","title":"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","summary":"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 crede…","severity":"high","cvss":7.4,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","cwe":["CWE-295"],"vendor":"go-pay","product":"gopay","affected":["gopay < 1.5.119"],"published":"2026-10-04","updated":"2026-10-04","sourceUpdated":"2026-10-04T18:16:34.630","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-105218","references":[{"url":"https://github.com/go-pay/gopay","label":"disclosure@vulncheck.com"},{"url":"https://github.com/go-pay/gopay/blob/v1.5.118/pkg/xhttp/client.go#L15-L37","label":"disclosure@vulncheck.com"},{"url":"https://github.com/go-pay/gopay/commit/f6df04fd4f64a2ad2c303ba063b6502bfdd259fd","label":"disclosure@vulncheck.com"},{"url":"https://github.com/go-pay/gopay/issues/540","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/gopay-before-1.5.119-disabled-tls-certificate-verification-in-xhttp-client","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-04T18:02:47.902Z","slug":"CVE-2026-105218","body":"## Overview\n\ngopay 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":40.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}