{"id":"CVE-2026-82257","revision":"f6b993b3aaa44ed58917ef66a515783f","records":[{"revision":"f6b993b3aaa44ed58917ef66a515783f","observedAt":"2026-10-25T16:19:10.271+00:00","statement":{"source":"nvd","id":"CVE-2026-82257","aliases":[],"title":"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 t…","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":"2026-08-28T12:16:38.607+00:00","modifiedAt":"2026-10-08T16:17:48.293+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · disclosure@vulncheck.com · Secondary","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","score":5.3,"severity":"MEDIUM"},{"system":"CVSS 3.1 · disclosure@vulncheck.com · Secondary","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://nvd.nist.gov/vuln/detail/CVE-2026-82257","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-1321"],"productCriteria":["cpe:2.3:a:svelte:sveltekit:*:*:*:*:*:node.js:*:*"],"sourceDates":{"published":"2026-08-28T12:16:38.607","lastModified":"2026-10-08T16:17:48.293"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-82257","identifiers":["CVE-2026-82257"]},"retained":false,"historicalAffected":[]}],"coverage":[]}