Medium severityNVD Advisory· Published Aug 28, 2026

CVE-2026-82258

Description

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.

Affected products

Sveltejs/Kitinferred2 versions
>=2.38.0,<2.60.1+ 1 more
- (no CPE)range: >=2.38.0,<2.60.1
- (no CPE)range: >=2.38.0 <2.60.1

Patches

Vulnerability mechanics

References

github.com/sveltejs/kit/security/advisories/GHSA-hgv7-v322-mmgrnvd
www.vulncheck.com/advisories/sveltekit-2.38.0-before-2.60.1-cross-user-data-disclosure-via-query-batchnvd

News mentions

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cvss	0.260
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000