{
  "schemaVersion": 1,
  "incident": {
    "id": "cve-2026-90711",
    "url": "https://cveboard.org/i/cve-2026-90711",
    "urlPt": "https://cveboard.org/pt/i/cve-2026-90711",
    "json": "https://cveboard.org/i/cve-2026-90711.json",
    "kind": "vuln",
    "live": false,
    "knownExploited": false,
    "severity": "critical",
    "title": "proxy-addr vulnerable to IP spoofing via IPv4-mapped IPv6 trust subnet",
    "summary": "proxy-addr determines which network hops are trusted proxies so that X-Forwarded-For can be believed. When an application configures a trust subnet as an IPv4-mapped IPv6 address with a short prefix, such as ::ffff:10.0.0.0/8 (the correct spelling is ::ffff:10.0.0.0/104), the subnet compiles with all-zero leading bits and matches every IPv4 address instead of the block it names.",
    "titlePt": "proxy-addr vulnerável a spoofing de IP via sub-rede de confiança IPv4-mapped IPv6",
    "summaryPt": "proxy-addr determina quais saltos de rede são proxies confiáveis para que X-Forwarded-For possa ser confiável. Quando uma aplicação configura uma sub-rede de confiança como um endereço IPv4-mapped IPv6 com um prefixo curto, como ::ffff:10.0.0.0/8 (a grafia correta é ::ffff:10.0.0.0/104), a sub-rede compila com bits iniciais todos zeros e corresponde a cada endereço IPv4 em vez do bloco que nomeia.",
    "cves": [
      "CVE-2026-90711"
    ],
    "ghsa": "GHSA-jqcg-44mw-7w3h",
    "cvss": {
      "score": 9.1,
      "version": "3.1"
    },
    "epss": {
      "percentage": 0.0026,
      "percentile": 0.16684,
      "asOf": "2026-10-23"
    },
    "packages": [
      {
        "ecosystem": "npm",
        "name": "proxy-addr",
        "vulnerable": ">= 1.1.0, < 2.0.8",
        "fixed": "2.0.8",
        "advisory": "GHSA-jqcg-44mw-7w3h"
      }
    ],
    "vendor": null,
    "product": null,
    "kev": null,
    "breach": null,
    "retracted": false,
    "sources": [
      {
        "label": "GitHub Advisory Database",
        "url": "https://github.com/advisories/GHSA-jqcg-44mw-7w3h"
      }
    ],
    "publishedAt": "2026-10-05T23:30:26.000Z",
    "updatedAt": "2026-10-05T23:30:26.000Z"
  },
  "live": false,
  "events": [
    {
      "id": "ghsa:GHSA-jqcg-44mw-7w3h:ghsa_published:2026-10-05T23:30:26.000Z",
      "incidentId": "cve-2026-90711",
      "type": "ghsa_published",
      "at": "2026-10-05T23:30:26.000Z",
      "detail": {
        "ghsa": "GHSA-jqcg-44mw-7w3h",
        "severity": "critical",
        "fixed": "2.0.8"
      }
    }
  ]
}