文件
websafe-kb/08-threat-intel/registry/advisories/sveltekit--GHSA-fpg4-jhqr-589c.json

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{
"canonical_id": "sveltekit--GHSA-fpg4-jhqr-589c",
"system_id": "sveltekit",
"display_name": "SvelteKit",
"category": "frameworks",
"advisory_mode": "core",
"title": "SvelteKit has deserialization expansion in unvalidated `form` remote function leading to Denial of Service (experimental only)",
"summary": "Some relatively small inputs can cause very large files arrays in `form` handlers. If the SvelteKit application code doesn't check `files.length` or individual files' sizes and performs expensive processing with them, it can result in Denial of Service.\n\nOnly users with `experimental.remoteFunctions: true` who are using the `form` function and are processing the `files` array without validation are vulnerable.",
"published_at": "2026-02-28T02:04:39Z",
"updated_at": "2026-02-28T06:27:26.115188Z",
"severity": "medium",
"cvss_score": 4.0,
"exploit_status": "unknown",
"source_confidence": "official",
"official_source_url": "https://github.com/sveltejs/kit/security/advisories/GHSA-fpg4-jhqr-589c",
"secondary_source_urls": [
"https://github.com/sveltejs/kit/commit/faba869db3644077169bf5d7c6e41fd5f3d6c65e",
"https://github.com/sveltejs/kit",
"https://github.com/sveltejs/kit/releases/tag/@sveltejs/kit@2.53.3"
],
"aliases": [
"GHSA-fpg4-jhqr-589c"
],
"cve_ids": [],
"ghsa_ids": [
"GHSA-fpg4-jhqr-589c"
],
"osv_ids": [
"GHSA-fpg4-jhqr-589c"
],
"affected_versions": [
"introduced=2.49.0, fixed<2.53.3"
],
"fixed_versions": [
"2.53.3"
],
"package_name": "@sveltejs/kit",
"render_markdown": true,
"case_path": "07-framework-security/frameworks/sveltekit/cases/sveltekit-ghsa-fpg4-jhqr-589c.md",
"secure_code_topics": [
"authz-server-side-recheck",
"token-cookie-storage",
"deserialization-safety"
],
"status": "generated",
"triage_reasons": [],
"verification_status": "triage-manual",
"verification_mode": "synthetic",
"last_verified_at": null,
"last_run_id": null,
"evidence_bundle": null,
"historical_status": null,
"latest_status": null,
"browser_evidence": {
"required": false,
"present": false,
"refs": []
},
"repro_profile_id": "deserialization-generic",
"artifact_mode": "synthetic",
"blocked_reason": null,
"metadata": {
"source_names": [
"OSV SvelteKit"
],
"source_kinds": [
"osv-batch"
],
"candidate_count": 1
}
}