High severity7.5NVD Advisory· Published Aug 28, 2026

CVE-2026-82260

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

SvelteKit/kitllm-fuzzy
Range: >=2.49.0 <=2.52.1

Patches

Vulnerability mechanics

References

github.com/sveltejs/kit/security/advisories/GHSA-vrhm-gvg7-fpcfnvd
www.vulncheck.com/advisories/sveltekit-before-2.52.2-memory-exhaustion-via-remote-form-deserializationnvd

News mentions

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