{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:hono:node-server:*:*:*:*:*:node.js:*:*",
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.19.13"
              },
              {
                "last_affected": "1.19.12"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "CPE_RANGE"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "fd64e659a34ec661fd9ccda00d1b9dff88dfaf90"
            }
          ],
          "repo": "https://github.com/honojs/node-server",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-92pp-h63x-v22m"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-22"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/39xxx/CVE-2026-39406.json"
  },
  "details": "@hono/node-server allows running the Hono application on Node.js. Prior to 1.19.13, a path handling inconsistency in serveStatic allows protected static files to be accessed by using repeated slashes (//) in the request path. When route-based middleware (e.g., /admin/*) is used for authorization, the router may not match paths containing repeated slashes, while serveStatic resolves them as normalized paths. This can lead to a middleware bypass. This vulnerability is fixed in 1.19.13.",
  "id": "CVE-2026-39406",
  "modified": "2026-07-27T03:56:36.764489719Z",
  "published": "2026-04-08T14:34:30.543Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/39xxx/CVE-2026-39406.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/honojs/node-server/security/advisories/GHSA-92pp-h63x-v22m"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39406"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "@hono/node-server has a middleware bypass via repeated slashes in serveStatic"
}