Medium
SvelteKit 2.38.0 before 2.60.1 Cross-User Data Disclosure via query.batch
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.
Announced Group revision 1
Original source ↗CVE-2026-82258
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-82258
kit
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "sveltejs",
"product": "kit",
"versions": [
{
"status": "affected",
"version": "2.38.0",
"lessThan": "2.60.1",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "2.60.1",
"versionType": "semver"
}
],
"packageURL": "pkg:npm/%40sveltejs/kit",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-82258
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #12916 · Revision 1
- Added to Heist Feed
- Publisher date