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8.7 High

CVE-2026-82260 SvelteKit (@sveltejs/kit) versions >=2.49.0…

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 and versions

Product Affected versions Fixed in
kit 2.52 earliest → < 2.52.1 2.52.1
kit 2.49 2.49.0 → < 2.52.1 2.52.1

References

Timeline

  1. Published
  2. Last modified

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