v2.16.4

{
  "id": "a5b45153b0ae9a9573895e3474b4c25bde2f68dbbc6beb75bd6d49182814f8a1",
  "url": "https://github.com/koajs/koa/releases/tag/v2.16.4",
  "method": "llm",
  "payload": {
    "kind": "other",
    "title": "v2.16.4",
    "summary": "Koa release notes report a security fix for Host Header Injection via ctx.hostname.",
    "evidence": "fix(security): Host Header Injection via ctx.hostname",
    "products": [
      {
        "name": {
          "value": "koa",
          "evidence": "Release notes from koa"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "fixed_cves": [],
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "github-koajs-koa",
  "document_id": 21510,
  "published_at": "2026-02-25T13:38:55+00:00"
}