SvelteKit (@sveltejs/kit) versions >=2.49.0 and <=2.52.1 with experimental remote functions (experimental.remoteFunctions) and form enabled contain a memory exhaustion vulnerability in remote form deserialization. Malformed form data can cause excessive memory allocation, crashing the server process and resulting in denial of service. Fixed in 2.52.2.
Advisories

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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 31 Aug 2026 17:15:00 +0000

Type Values Removed Values Added
First Time appeared Svelte sveltekit
CPEs cpe:2.3:a:svelte:sveltekit:*:*:*:*:*:node.js:*:*
Vendors & Products Svelte sveltekit

Fri, 28 Aug 2026 11:30:00 +0000

Type Values Removed Values Added
Description SvelteKit (@sveltejs/kit) versions >=2.49.0 and <=2.52.1 with experimental remote functions (experimental.remoteFunctions) and form enabled contain a memory exhaustion vulnerability in remote form deserialization. Malformed form data can cause excessive memory allocation, crashing the server process and resulting in denial of service. Fixed in 2.52.2.
Title SvelteKit before 2.52.2 Memory Exhaustion via Remote Form Deserialization
First Time appeared Svelte
Svelte kit
Weaknesses CWE-400
CPEs cpe:2.3:a:svelte:kit:*:*:*:*:*:*:*:*
Vendors & Products Svelte
Svelte kit
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, '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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-08-28T15:52:30.481Z

Reserved: 2026-08-28T10:39:30.356Z

Link: CVE-2026-82260

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2026-08-28T12:16:39.100

Modified: 2026-08-31T17:08:59.260

Link: CVE-2026-82260

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-28T13:30:07Z

Weaknesses