{
"id": "GHSA-866w-xmhq-wj7x",
"aliases": [],
"details": "If you use remote form functions, have an input field of type `file`, and accept arbitrary user-controlled path names for the field, then you are vulnerable to a prototype pollution attack where the attacker can remove e.g. methods on the prototype.",
"summary": "SvelteKit: Prototype pollution in file input deletion path in remote-function forms",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.69.1"
}
]
}
],
"package": {
"name": "@sveltejs/kit",
"ecosystem": "npm"
},
"database_specific": {
"last_known_affected_version_range": "<= 2.69.0"
}
}
],
"modified": "2026-07-24T15:58:05Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L"
}
],
"published": "2026-07-24T15:58:05Z",
"references": [
{
"url": "https://github.com/sveltejs/kit/security/advisories/GHSA-866w-xmhq-wj7x",
"type": "WEB"
},
{
"url": "https://github.com/sveltejs/kit/pull/16218",
"type": "WEB"
},
{
"url": "https://github.com/sveltejs/kit/commit/df32f6fe86cdd0b68b650e3e4631e5896453dcd3",
"type": "WEB"
},
{
"url": "https://github.com/sveltejs/kit",
"type": "PACKAGE"
},
{
"url": "https://github.com/sveltejs/kit/releases/tag/@sveltejs/[email protected] ",
"type": "WEB"
},
{
"url": "https://github.com/sveltejs/kit/releases/tag/@sveltejs/[email protected] ",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-1321"
],
"severity": "MODERATE",
"github_reviewed": true,
"nvd_published_at": null,
"github_reviewed_at": "2026-07-24T15:58:05Z"
}
}