Fastify v5.12.5 security release

{
  "id": "7b119ec8330bc08292d9a741b2b6a72f4c437c6efa9b31b53e4a47174c33b76c",
  "url": "https://github.com/fastify/fastify/releases/tag/v5.12.5",
  "method": "llm",
  "payload": {
    "kind": "patch",
    "title": "Fastify v5.12.5 security release",
    "summary": "Fastify v5.12.5 is identified as a security release fixing GHSA-4mh8-r7rc-xpvc.",
    "evidence": "⚠️ Security release Fix for GHSA-4mh8-r7rc-xpvc",
    "products": [
      {
        "name": {
          "value": "fastify",
          "evidence": "Release notes from fastify"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "v5.12.5",
            "evidence": "v5.12.5"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "fixed_cves": [],
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "github-fastify-fastify",
  "document_id": 21129,
  "published_at": "2026-09-16T10:19:43+00:00"
}