{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-114062", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-20T21:43:23.218Z", "datePublished": "2026-10-21T00:36:36.158Z", "dateUpdated": "2026-10-21T00:36:36.158Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-21T00:36:36.158Z"}, "datePublic": "2026-10-05T00:00:00.000Z", "title": "SvelteKit before 3.0.0 SSRF via Redirects in Server-Side Self-Fetch Fallbacks", "descriptions": [{"lang": "en", "value": "SvelteKit before 3.0.0 contains a server-side request forgery vulnerability that allows remote attackers to reach internal services because self-fetch fallbacks follow HTTP redirects automatically. Attackers can manipulate the Host or forwarded headers to point fallback requests at their server, which redirects them to internal services."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Server-Side Request Forgery (SSRF)", "cweId": "CWE-918", "type": "CWE"}]}], "affected": [{"vendor": "sveltejs", "product": "kit", "defaultStatus": "unaffected", "packageURL": "pkg:npm/%40sveltejs/kit", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "3.0.0"}, {"version": "3.0.0", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:svelte:kit:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.0.0"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.9, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://github.com/sveltejs/kit/security/advisories/GHSA-prjg-x2qj-wj3g", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-prjg-x2qj-wj3g)"}, {"name": "VulnCheck Advisory: SvelteKit before 3.0.0 SSRF via Redirects in Server-Side Self-Fetch Fallbacks", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/sveltekit-before-3.0.0-ssrf-via-redirects-in-server-side-self-fetch-fallbacks"}], "credits": [{"lang": "en", "value": "Rich-Harris", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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