{"id":"EUVD-2026-67585","enisaUuid":"56cd781c-2017-3650-9786-c0ea8b6e667c","description":"SvelteKit versions from 2.49.0 through 2.53.2 (fixed in 2.53.3) contain a deserialization expansion issue in the experimental form remote function. When an application enables experimental.remoteFunctions and uses the form function to process the files array without validating files.length or individual file sizes, an attacker can submit relatively small inputs that expand into very large file arrays, leading to expensive processing and denial of service.","datePublished":"Aug 28, 2026, 10:49:42 AM","dateUpdated":"Oct 8, 2026, 3:25:30 PM","baseScore":8.7,"baseScoreVersion":"4.0","baseScoreVector":"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","references":"https://github.com/sveltejs/kit/security/advisories/GHSA-fpg4-jhqr-589c\nhttps://www.vulncheck.com/advisories/sveltekit-2.49.0-before-2.53.3-denial-of-service-via-form\n","aliases":"CVE-2026-82259\nGHSA-7jhg-723h-fjhx\n","assigner":"VulnCheck","epss":0.53,"enisaIdProduct":[{"id":"5e7099bd-a1d4-3cee-950c-9de32b74e541","product":{"name":"kit","vendor":{"name":"sveltejs"}},"product_version":"2.49.0 \u003c2.53.3"}],"enisaIdVendor":[{"id":"5a8e8722-c651-38dd-bf4d-edd7dafe9a69","vendor":{"name":"sveltejs"}}],"enisaIdVulnerability":[{"id":"5734b311-466b-37c9-8c90-5d019db2bfa7","vulnerability":{"id":"CVE-2026-82259","description":"SvelteKit versions from 2.49.0 through 2.53.2 (fixed in 2.53.3) contain a deserialization expansion issue in the experimental form remote function. When an application enables experimental.remoteFunctions and uses the form function to process the files array without validating files.length or individual file sizes, an attacker can submit relatively small inputs that expand into very large file arrays, leading to expensive processing and denial of service.","datePublished":"Aug 28, 2026, 10:49:42 AM","dateUpdated":"Oct 8, 2026, 3:25:30 PM","status":"PUBLISHED","baseScore":8.7,"baseScoreVersion":"4.0","baseScoreVector":"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","references":"https://github.com/sveltejs/kit/security/advisories/GHSA-fpg4-jhqr-589c\nhttps://www.vulncheck.com/advisories/sveltekit-2.49.0-before-2.53.3-denial-of-service-via-form\n","enisa_id":"EUVD-2026-67585\n","assigner":"VulnCheck","epss":0.53,"dataProcessed":"Oct 30, 2026, 7:20:33 AM","vulnerabilityProduct":[{"id":"dd034064-bfc1-3a12-adc1-c4138fd7ee2c","product":{"name":"kit","vendor":{"name":"sveltejs"}},"product_version":"2.49.0 \u003c2.53.3"}],"vulnerabilityVendor":[{"id":"8f8837c5-3e75-39cd-bcd0-c6496db23471","vendor":{"name":"sveltejs"}}]}},{"id":"919946cb-a503-313e-9242-15da30e981dc","vulnerability":{"id":"GHSA-7jhg-723h-fjhx","description":"SvelteKit versions from 2.49.0 through 2.53.2 (fixed in 2.53.3) contain a deserialization expansion issue in the experimental form remote function. When an application enables experimental.remoteFunctions and uses the form function to process the files array without validating files.length or individual file sizes, an attacker can submit relatively small inputs that expand into very large file arrays, leading to expensive processing and denial of service.","datePublished":"Aug 28, 2026, 12:30:29 PM","dateUpdated":"Aug 28, 2026, 12:30:29 PM","baseScore":0.0,"references":"https://github.com/sveltejs/kit/security/advisories/GHSA-fpg4-jhqr-589c\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-82259\nhttps://www.vulncheck.com/advisories/sveltekit-2.49.0-before-2.53.3-denial-of-service-via-form\n","enisa_id":"EUVD-2026-67585\n","aliases":"GHSA-7jhg-723h-fjhx\nCVE-2026-82259\n","epss":0.0,"dataProcessed":"Oct 25, 2026, 2:00:27 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}}],"enisaIdAdvisory":[]}