{"cve":"CVE-2026-82256","nvd":{"published":"2026-08-28T12:16:38.457","modified":"2026-10-08T16:17:48.117","status":"Analyzed","description":"SvelteKit before 2.69.1 fails to properly validate remote form function payload sizes, allowing attackers to crash the Node process by sending large payloads. Repeated exploitation causes denial of service by repeatedly crashing the application process.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","score":6.9},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","score":5.3},"cwes":["CWE-400"],"references":["https://github.com/sveltejs/kit/security/advisories/GHSA-wqjv-9729-c5q2","https://www.vulncheck.com/advisories/sveltekit-before-2.69.1-denial-of-service-via-remote-form"],"products":["svelte:sveltekit"],"source":"nvd","synced_at":"2026-10-19T22:50:50.842544443+00:00"},"epss":{"cve":"CVE-2026-82256","score":0.00423,"percentile":0.36293,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-wqjv-9729-c5q2","url":"https://osv.dev/vulnerability/GHSA-wqjv-9729-c5q2","summary":"SvelteKit: Big remote form function payloads can cause Node process to crash","modified":"2026-08-29T03:55:37.098488579Z","packages":[{"ecosystem":"npm","name":"@sveltejs/kit","purl":"pkg:npm/%40sveltejs/kit","ranges":["<2.69.1"],"fixed":["2.69.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}