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8.7 High

CVE-2026-82261 SvelteKit (@sveltejs/kit) versions >=2.49.0…

Description

SvelteKit (@sveltejs/kit) versions >=2.49.0 and <=2.52.1 with experimental remote functions and form enabled contain a CPU exhaustion vulnerability in form deserialization. An attacker can send malformed form data to cause the server to become unresponsive while processing the request, 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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