{"id":"CVE-2026-105218","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-105218","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…","details":"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.","published":"2026-10-04T18:16:34.630","modified":"2026-10-04T18:16:34.630","cvss":{"score":7.4,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/go-pay/gopay/commit/f6df04fd4f64a2ad2c303ba063b6502bfdd259fd","label":"go-pay/gopay@f6df04f"},"references":[{"type":"WEB","url":"https://github.com/go-pay/gopay"},{"type":"WEB","url":"https://github.com/go-pay/gopay/blob/v1.5.118/pkg/xhttp/client.go#L15-L37"},{"type":"WEB","url":"https://github.com/go-pay/gopay/commit/f6df04fd4f64a2ad2c303ba063b6502bfdd259fd"},{"type":"WEB","url":"https://github.com/go-pay/gopay/issues/540"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/gopay-before-1.5.119-disabled-tls-certificate-verification-in-xhttp-client"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-10-04T18:16:34.630"}}