{"id":"CVE-2026-82257","revision":"36327e3328c2427093a02da923d1c4b2","records":[{"revision":"36327e3328c2427093a02da923d1c4b2","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-82257","aliases":[],"title":"SvelteKit before 2.69.1 Prototype Pollution via File Input","description":"SvelteKit versions before 2.69.1 contain a prototype pollution vulnerability in remote form functions with file input fields that accept arbitrary user-controlled path names. Attackers can manipulate the deletion path to remove methods on the prototype, potentially disabling application functionality.","state":0,"publishedAt":"2026-08-28T10:49:41.355+00:00","modifiedAt":"2026-10-08T15:25:29.825+00:00","affected":[{"ecosystem":"Vendor product","name":"kit","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"sveltejs\",\n                    \"product\": \"kit\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:npm/%40sveltejs/kit\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"2.69.1\"\n                        },\n                        {\n                            \"version\": \"2.69.1\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","score":5.3,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","score":4.3,"severity":"MEDIUM"}],"references":["https://github.com/sveltejs/kit/security/advisories/GHSA-866w-xmhq-wj7x","https://www.vulncheck.com/advisories/sveltekit-before-2.69.1-prototype-pollution-via-file-input"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-82257","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-82257","identifiers":["CVE-2026-82257"]},"retained":false,"historicalAffected":[]}],"coverage":[]}