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.
CVE-2026-105218
Score 7.4 from GitHub Security Advisory (severity: CRITICAL) published 2026-10-04. A secondary CVSS source baseline 7.4; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.4
- EG Score
- 7.4HIGHhigh confidence
- EG Risk
- 38EG Risk 38/100CISA SSVC
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity74% × 45%Exploitation0% × 40%Automatability30% × 15%CISA SSVC: Track at low or medium mission impact; Track or Attend at high (mission-essential systems).Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high. - EPSS PROB
- —
- EPSS %ILE
- —
- KEV
- Not listed
CISA SSVCTrack at low or medium mission impact; Track or Attend at high (mission-essential systems).
A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table
Published
October 4, 2026
Last Modified
October 4, 2026
Advisory Details (5)
Auto-updated Oct 4, 2026gopay before 1.5.119 Disabled TLS Certificate Verification in xhttp Client | Advisories | VulnCheck
https://www.vulncheck.com/advisories/gopay-before-1.5.119-disabled-tls-certificate-verification-in-xhttp-clientGitHub - go-pay/gopay: 微信、支付宝、抖音、通联支付、拉卡拉、PayPal、Apple 的Go版本SDK。【极简、易用的聚合支付SDK】 · GitHub
https://github.com/go-pay/gopaygopay/pkg/xhttp/client.go at v1.5.118 · go-pay/gopay · GitHub
https://github.com/go-pay/gopay/blob/v1.5.118/pkg/xhttp/client.go#L15-L37commit f6df04fd4f64 (go-pay/gopay)
Patch available: go-pay/gopay v1.5.119 (contains commit f6df04fd4f64)
https://github.com/go-pay/gopay/commit/f6df04fd4f64a2ad2c303ba063b6502bfdd259fdCWE-295 + CWE-798: Global TLS verification disabled + hardcoded RSA private key in AllInPay cert · Issue #540 · go-pay/gopay · GitHub
https://github.com/go-pay/gopay/issues/540Vendor Advisories for CVE-2026-105218(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 5× in last 7d / 5× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-10-05 05:39 UTCEG score recompute
- 2026-10-05 05:39 UTCGHSA enrichment
- 2026-10-04 18:30 UTCEG score recompute
- 2026-10-04 17:18 UTCEG score recompute
- 2026-10-04 17:18 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Frequently asked(4)
What is CVE-2026-105218?
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What is the CVSS score of CVE-2026-105218?
How do I remediate CVE-2026-105218?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-105218
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