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        "cveId": "CVE-2026-86253",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-09-06T11:35:19.316Z",
        "datePublished": "2026-09-06T12:00:28.232Z",
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            "datePublic": "2026-03-17T00:00:00.000Z",
            "title": "h3 before 1.15.6 Path Traversal via Percent-Encoded Dot Segments",
            "descriptions": [
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                    "lang": "en",
                    "value": "h3 (npm package) versions <= 2.0.1-rc.14 contain a path traversal vulnerability in serveStatic(). On Node.js deployments, event.url.pathname is not normalized, so percent-encoded dot segments (%2e%2e) are passed to decodeURI() and decoded to ../ sequences without sanitization. An unauthenticated remote attacker can send crafted requests to endpoints served by serveStatic() to read arbitrary files outside the intended static directory. Fixed in 1.15.6 and 2.0.1-rc.15."
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                            "description": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')",
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                            "type": "CWE"
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                {
                    "url": "https://github.com/h3js/h3/security/advisories/GHSA-wr4h-v87w-p3r7",
                    "tags": [
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                                "timestamp": "2026-09-10T14:19:05.242837Z",
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