Security advisory

{
  "id": "a66f451d6e31dce0f3778106b5fba486a4a345c2b09afa14d03308e89477e848",
  "url": "https://osv.dev/vulnerability/CVE-2020-8192",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-8192",
    "summary": "A denial of service vulnerability exists in Fastify v2.14.1 and v3.0.0-rc.4 that allows a malicious user to trigger resource exhaustion (when the allErrors option is used) with specially crafted schemas.",
    "evidence": "osv:CVE-2020-8192",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-8192",
      "aliases": [
        "CVE-2020-8192",
        "GHSA-xw5p-hw6r-2j98"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/fastify/fastify",
              "type": "GIT",
              "events": [
                {
                  "introduced": "6b0ffc6672fb2bf4ba8e4337958c5ee46e6e0300"
                },
                {
                  "last_affected": "6b0ffc6672fb2bf4ba8e4337958c5ee46e6e0300"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:fastify:fastify:2.14.1:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "2.14.1"
                      },
                      {
                        "last_affected": "2.14.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.14.1",
            "v2.14.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-8192.json"
          }
        }
      ],
      "modified": "2026-10-24T10:31:03.509492158Z",
      "provider": "osv",
      "references": [
        "https://hackerone.com/reports/903521"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:fastify:fastify:3.0.0:rc4:*:*:*:node.js:*:*"
            ],
            "vendor_product": "fastify:fastify",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "3.0.0-rc4"
                  },
                  {
                    "last_affected": "3.0.0-rc4"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-8192",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 440273,
  "published_at": "2020-07-30T13:15:11.313+00:00"
}