{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-128118", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-11-12T22:42:47.031Z", "datePublished": "2026-11-13T19:31:04.678Z", "dateUpdated": "2026-11-13T19:31:04.678Z"}, "containers": {"cna": {"title": "SvelteKit: Build-time server-only module import guard could fail, resulting in server secrets being statically replaced in client bundle", "problemTypes": [{"descriptions": [{"cweId": "CWE-200", "lang": "en", "description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-668", "lang": "en", "description": "CWE-668: Exposure of Resource to Wrong Sphere", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/sveltejs/kit/security/advisories/GHSA-m9j8-jcmv-hp69", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/sveltejs/kit/security/advisories/GHSA-m9j8-jcmv-hp69"}, {"name": "https://github.com/sveltejs/kit/commit/ae07803806f75b8b5662ae4ab92934ca1356fd84", "tags": ["x_refsource_MISC"], "url": "https://github.com/sveltejs/kit/commit/ae07803806f75b8b5662ae4ab92934ca1356fd84"}, {"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": ">= 3.0.0, < 3.1.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-11-13T19:31:04.678Z"}, "descriptions": [{"lang": "en", "value": "SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. From version 3.0.0 until 3.1.1, the build-time server-only module guard did not treat src/params.js as a client entry point even though parameter matchers can run in the browser. Server-only modules imported through src/params.js could consequently enter the client bundle, where statically replaced private environment values or other server secrets could be exposed. This issue is fixed in 3.1.1."}], "source": {"advisory": "GHSA-m9j8-jcmv-hp69", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "kit", "vendor": "sveltejs", "versions": [{"status": "affected", "version": ">= 3.0.0, < 3.1.1"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. From version 3.0.0 until 3.1.1, the build-time server-only module guard did not treat src/params.js as a client entry point even though parameter matchers can run in the browser. Server-only modules imported through src/params.js could consequently enter the client bundle, where statically replaced private environment values or other server secrets could be exposed. This issue is fixed in 3.1.1."}], "id": "CVE-2026-128118", "lastModified": "2026-11-13T20:18:56.520", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-11-13T20:18:56.520", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/sveltejs/kit/commit/ae07803806f75b8b5662ae4ab92934ca1356fd84"}, {"source": "security-advisories@github.com", "url": "https://github.com/sveltejs/kit/releases/tag/@sveltejs/kit@3.1.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/sveltejs/kit/security/advisories/GHSA-m9j8-jcmv-hp69"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}, {"lang": "en", "value": "CWE-668"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.0.0,3.1.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "kit", "source": "cna", "vendor": "sveltejs"}, "product": "kit", "vendor": "svelte"}], "created": "2026-11-13T21:30:21.610889+00:00", "updated": "2026-11-13T21:30:21.610905+00:00", "vendors": ["svelte", "svelte$PRODUCT$kit"]}