Incorrect Synchronization Affecting @sveltejs/kit package, versions >=2.38.0 <2.60.1
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Test your applications- Snyk IDSNYK-JS-SVELTEJSKIT-16796279
- published22 May 2026
- disclosed21 May 2026
- creditrafabd1
Introduced: 21 May 2026
New CVE NOT AVAILABLE CWE-821 (opens in a new tab)Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade @sveltejs/kit to version 2.60.1 or higher.
Overview
@sveltejs/kit is a SvelteKit framework and CLI
Affected versions of this package are vulnerable to Incorrect Synchronization via the query.batch() function. An attacker can access data belonging to other users by exploiting a race condition that causes concurrent requests from different users to merge and resolve under a single request context.