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OpenAdvisories
High · 7.5 CVE-2026-82260 EUVD-2026-67586GHSA-33c7-c62f-7cc2GHSA-vrhm-gvg7-fpcf

SvelteKit before 2.52.2 Memory Exhaustion via Remote Form Deserialization

Published Aug 28, 2026 · Updated Oct 8, 2026 · Assigned by VulnCheck

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.

Affected products

VendorProductAffectedFixed
sveltejs kit 2.49.0 – < 2.52.1 2.52.1

Affected packages

EcosystemPackageAffectedFixedRecord
npm @sveltejs/kit >= 2.49.0, < 2.52.2 2.52.2 GHSA-vrhm-gvg7-fpcf

References