Incorrect Synchronization Affecting @sveltejs/kit package, versions >=2.38.0 <2.60.1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JS-SVELTEJSKIT-16796279
- published22 May 2026
- disclosed21 May 2026
- creditrafabd1
Introduced: 21 May 2026
CVE-2026-82258 (opens in a new tab)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.