{"id":"CVE-2026-47219","revision":null,"records":[{"revision":"4750c207dd3c44aba020155610b9389a","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-47219","aliases":[],"title":"find-my-way is Vulnerable to DDoS with HTTP2","description":"find-my-way is a framework-independent HTTP router that internally uses a Radix Tree and supports route parameters and wildcards. Versions prior to 9.7.0 are vulnerable to remotely triggerable DoS in find-my-way when it is used with Node's HTTP/2 server. The lookup() function passes req.method into find(), and find() indexes this.trees[method]. Since this.trees is a normal object, HTTP/2 method values like constructor, toString, or __proto__ can resolve inherited object properties instead of returning undefined. The code then treats that value like a router node and crashes when it reaches currentNode.prefix.length. This issue has been fixed in version 9.0.7.","state":0,"publishedAt":"2026-07-28T22:14:31.279+00:00","modifiedAt":"2026-07-29T15:24:01.203+00:00","affected":[{"ecosystem":"Vendor product","name":"find-my-way","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"delvedor\",\n                    \"product\": \"find-my-way\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 9.7.0\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://github.com/delvedor/find-my-way/security/advisories/GHSA-c96f-x56v-gq3h"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-47219","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-47219","identifiers":["CVE-2026-47219"]},"retained":false,"historicalAffected":[]},{"revision":"26f134bb15eb4784930febe377d3abab","observedAt":"2026-10-25T12:17:20.277+00:00","statement":{"source":"nvd","id":"CVE-2026-47219","aliases":[],"title":"find-my-way is a framework-independent HTTP router that internally uses a Radix Tree and supports route parameters and wildcards. Versions prior to 9.7.0 are vulnerable to remotely triggerable DoS in find-my-way when it is used with Node's …","description":"find-my-way is a framework-independent HTTP router that internally uses a Radix Tree and supports route parameters and wildcards. Versions prior to 9.7.0 are vulnerable to remotely triggerable DoS in find-my-way when it is used with Node's HTTP/2 server. The lookup() function passes req.method into find(), and find() indexes this.trees[method]. Since this.trees is a normal object, HTTP/2 method values like constructor, toString, or __proto__ can resolve inherited object properties instead of returning undefined. The code then treats that value like a router node and crashes when it reaches currentNode.prefix.length. This issue has been fixed in version 9.0.7.","state":0,"publishedAt":"2026-07-28T23:17:03.763+00:00","modifiedAt":"2026-10-23T23:10:00.157+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://github.com/delvedor/find-my-way/security/advisories/GHSA-c96f-x56v-gq3h"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-47219","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-20","CWE-248"],"productCriteria":[],"sourceDates":{"published":"2026-07-28T23:17:03.763","lastModified":"2026-10-23T23:10:00.157"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-47219","identifiers":["CVE-2026-47219"]},"retained":false,"historicalAffected":[]},{"revision":"eed8504af1914f16857e68de48f63642","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-c96f-x56v-gq3h","aliases":["CVE-2026-47219"],"title":"find-my-way: DDoS with HTTP2","description":"### Impact\nRemotely triggerable DoS in find-my-way when it is used with Node's HTTP/2 server.\n\nThe short version is that `lookup()` passes `req.method` into `find()`, and `find()` indexes `this.trees[method]`. Since `this.trees` is a normal object, HTTP/2 method values like constructor, `toString`, or `__proto__` can resolve inherited object properties instead of returning undefined. The code then treats that value like a router node and crashes when it reaches `currentNode.prefix.length`.\n\n### Patches\n\nUpgrade to v9.7.0.\n\n### Workarounds\n\nDo not use find-my-way with HTTP/2 servers, or validate that the http method is valid beforehand.","state":0,"publishedAt":"2026-07-23T19:33:15+00:00","modifiedAt":"2026-07-23T19:56:40.779403+00:00","affected":[{"ecosystem":"npm","name":"find-my-way","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"9.7.0"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://github.com/delvedor/find-my-way/security/advisories/GHSA-c96f-x56v-gq3h","https://github.com/delvedor/find-my-way/pull/434","https://github.com/delvedor/find-my-way/commit/cfe3fd6168b5ac1594c0820fb83fce251a533fc1","https://github.com/delvedor/find-my-way","https://github.com/delvedor/find-my-way/releases/tag/v9.7.0"],"sourceUrl":"https://github.com/advisories/GHSA-c96f-x56v-gq3h","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-c96f-x56v-gq3h","identifiers":["GHSA-c96f-x56v-gq3h","CVE-2026-47219"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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