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        "cveId": "CVE-2026-14631",
        "assignerOrgId": "ce714d77-add3-4f53-aff5-83d477b104bb",
        "state": "PUBLISHED",
        "assignerShortName": "openjs",
        "dateReserved": "2026-07-03T17:15:55.995Z",
        "datePublished": "2026-07-03T17:23:41.451Z",
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                    "lang": "en",
                    "value": "webpack-dev-server versions 5.2.5 and earlier terminate the whole Node.js process when an unauthenticated peer sends either a normal HTTP request with a malformed Host header or a WebSocket upgrade to the default /ws endpoint with a malformed Origin header. The malformed value causes an uncaught exception in the host-validation path and crashes the dev server. Impact is limited to availability of the development server, no data disclosure, no code execution. Patches: upgrade to webpack-dev-server 5.2.6. Workarounds: keep the dev server bound to localhost (the default) and do not expose it to untrusted networks.",
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                    "url": "https://github.com/webpack/webpack-dev-server/security/advisories/GHSA-m28w-2pqf-7qgj"
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                    "value": "bjohansebas"
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                {
                    "lang": "en",
                    "type": "analyst",
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                            "cweId": "CWE-20",
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                            "description": "CWE-20: Improper Input Validation",
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