path-to-regexp — security advisory

{
  "id": "68ef5c2ed12271f87a158abc35731afe95327bab6547264aedd5e6a3f580546a",
  "url": "https://osv.dev/vulnerability/ECHO-1509-22ad-8ce5",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ECHO-1509-22ad-8ce5",
    "summary": "ECHO-1509-22ad-8ce5",
    "evidence": "osv:ECHO-1509-22ad-8ce5",
    "products": [
      {
        "name": {
          "value": "path-to-regexp",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "8.4.0",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "ECHO-1509-22ad-8ce5",
      "aliases": [
        "ECHO-1509-22ad-8ce5"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8.4.0"
                }
              ]
            }
          ],
          "package": {
            "name": "path-to-regexp",
            "purl": "pkg:npm/path-to-regexp",
            "ecosystem": "Echo:npm"
          },
          "database_specific": {
            "source": "https://advisory.echohq.com/osv/ECHO-1509-22ad-8ce5.json"
          }
        }
      ],
      "modified": "2026-10-23T01:00:05.035053814Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-4923",
        "GHSA-27v5-c462-wpq7"
      ],
      "references": [
        "https://advisory.echohq.com/cve/CVE-2026-4923",
        "https://github.com/advisories/GHSA-27v5-c462-wpq7"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-4923",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 411224,
  "published_at": "2026-10-23T00:00:55.494+00:00"
}