CVE-2026-128116

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-128116", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-11-12T22:42:47.031Z", "datePublished": "2026-11-13T19:27:04.478Z", "dateUpdated": "2026-11-13T19:27:04.478Z"}, "containers": {"cna": {"title": "SvelteKit: Protocol-relative module import during server-side route resolution allows cross-origin script execution", "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "lang": "en", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/sveltejs/kit/security/advisories/GHSA-rqp5-r3wg-vg35", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/sveltejs/kit/security/advisories/GHSA-rqp5-r3wg-vg35"}, {"name": "https://github.com/sveltejs/kit/pull/17620", "tags": ["x_refsource_MISC"], "url": "https://github.com/sveltejs/kit/pull/17620"}, {"name": "https://github.com/sveltejs/kit/commit/0a2e58cbccdd46cac20aa5af4e2edf17e0da11dd", "tags": ["x_refsource_MISC"], "url": "https://github.com/sveltejs/kit/commit/0a2e58cbccdd46cac20aa5af4e2edf17e0da11dd"}, {"name": "https://github.com/sveltejs/kit/commit/a8f7c1e09f13524d3b71d814bad9c15c9f33ef49", "tags": ["x_refsource_MISC"], "url": "https://github.com/sveltejs/kit/commit/a8f7c1e09f13524d3b71d814bad9c15c9f33ef49"}, {"name": "https://github.com/sveltejs/kit/releases/tag/@sveltejs/kit@2.70.4", "tags": ["x_refsource_MISC"], "url": "https://github.com/sveltejs/kit/releases/tag/@sveltejs/kit@2.70.4"}, {"name": "https://github.com/sveltejs/kit/releases/tag/@sveltejs/kit@3.1.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/sveltejs/kit/releases/tag/@sveltejs/kit@3.1.1"}], "affected": [{"vendor": "sveltejs", "product": "kit", "versions": [{"version": "< 2.70.4", "status": "affected"}, {"version": ">= 3.0.0, < 3.1.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-11-13T19:27:04.478Z"}, "descriptions": [{"lang": "en", "value": "SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. Prior to versions 2.70.4 and 3.1.1, apps configured with router.resolution: 'server' could treat a pathname beginning with // as a protocol-relative module specifier during client-side navigation. A socially engineered link could therefore make server-side route resolution import and execute JavaScript from another origin in the user's browser. This issue is fixed in 2.70.4 and 3.1.1."}], "source": {"advisory": "GHSA-rqp5-r3wg-vg35", "discovery": "UNKNOWN"}}}}

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