{"cve":"CVE-2026-82261","nvd":{"published":"2026-08-28T12:16:39.250","modified":"2026-10-08T16:17:48.980","status":"Analyzed","description":"SvelteKit (@sveltejs/kit) versions >=2.49.0 and <=2.52.1 with experimental remote functions and form enabled contain a CPU exhaustion vulnerability in form deserialization. An attacker can send malformed form data to cause the server to become unresponsive while processing the request, resulting in denial of service. Fixed in 2.52.2.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":8.7},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-400"],"references":["https://github.com/sveltejs/kit/security/advisories/GHSA-88qp-p4qg-rqm6","https://www.vulncheck.com/advisories/sveltekit-before-2.52.2-cpu-exhaustion-via-remote-form-deserialization"],"products":["svelte:sveltekit"],"source":"nvd","synced_at":"2026-10-19T22:50:50.842544443+00:00"},"epss":{"cve":"CVE-2026-82261","score":0.00493,"percentile":0.42084,"date":"2026-10-26"},"kev":null,"osv":[{"id":"GHSA-88qp-p4qg-rqm6","url":"https://osv.dev/vulnerability/GHSA-88qp-p4qg-rqm6","summary":"CPU exhaustion in SvelteKit remote form deserialization (experimental only)","modified":"2026-09-02T03:55:41.454707662Z","packages":[{"ecosystem":"npm","name":"@sveltejs/kit","purl":"pkg:npm/%40sveltejs/kit","ranges":[">=2.49.0 <2.52.2"],"fixed":["2.52.2"]}]}],"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."]}