Vulnerability Details CVE-2026-82258
SvelteKit versions from 2.38.0 before 2.60.1 contain a race condition in query.batch that allows concurrent requests from different users to merge under a single request context. Attackers can exploit specific timing conditions to access sensitive data from other users' concurrent requests.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 4.3%
CVSS Severity
CVSS v3 Score 4.8
Products affected by CVE-2026-82258
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cpe:2.3:a:svelte:sveltekit:2.38.0
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cpe:2.3:a:svelte:sveltekit:2.53.3