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CVE-2026-76842

🗓️ 24 Aug 2026 13:11:59Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 22 Views🌐 WEB

Mercado Pago Node.js SDK missing percent-encoding in path params enables cross-resource access.

Related
Detection
Affected
Refs
Paths
Vulners
Node
[
  {
    "vendor": "mercadopago",
    "product": "mercadopago",
    "collectionURL": "https://www.npmjs.com/package/mercadopago",
    "packageName": "mercadopago",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThanOrEqual": "3.4.0",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
idpath/v1/payments/${id}Unencoded path parameter in template literal causes untrusted characters to propagate into the request path.CWE-22
idpath/v1/paymentRefund/${id}Unencoded path parameter in template literal causes untrusted characters to propagate into the request path.CWE-22
idpath/v1/advancedPayment/${id}Unencoded path parameter in template literal causes untrusted characters to propagate into the request path.CWE-22
idpath/v1/disbursementRefund/${id}Unencoded path parameter in template literal causes untrusted characters to propagate into the request path.CWE-22

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29 Aug 2026 11:47Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.18.2
CVSS 48.8
EPSS0.0038
SSVC
22