{"action":"Upgrade @sveltejs/kit to 2.57.1 or later.","affected":[{"fixed":"2.57.1","introduced":"0"}],"component":"@sveltejs/kit","cve_ids":["CVE-2026-40074"],"ecosystem":"npm","epss":0.00366,"exploited":false,"fixed_versions":["2.57.1"],"ghsa_id":"GHSA-3f6h-2hrp-w5wx","id":"tcs_01M5KEX3JQ01H7WR2GANAGAQP2","modified_at":"2026-04-10T20:03:55.059697Z","published_at":"2026-04-10T17:32:00Z","references":["https://osv.dev/vulnerability/GHSA-3f6h-2hrp-w5wx","https://github.com/sveltejs/kit/security/advisories/GHSA-3f6h-2hrp-w5wx","https://nvd.nist.gov/vuln/detail/CVE-2026-40074","https://github.com/sveltejs/kit/commit/10d7b44425c3d9da642eecce373d0c6ef83b4fcd","https://github.com/sveltejs/kit","https://github.com/sveltejs/kit/releases/tag/%40sveltejs%2Fkit%402.57.1","https://github.com/sveltejs/kit/releases/tag/@sveltejs/kit@2.57.1"],"severity":{"label":"medium"},"sources":[{"source":"osv","source_id":"GHSA-3f6h-2hrp-w5wx","url":"https://osv.dev/vulnerability/GHSA-3f6h-2hrp-w5wx"}],"summary":"@sveltejs/kit: Unvalidated redirect in handle hook causes Denial-of-Service"}