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.
History

Mon, 31 Aug 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 31 Aug 2026 17:15:00 +0000

Type Values Removed Values Added
First Time appeared Svelte sveltekit
CPEs cpe:2.3:a:svelte:sveltekit:*:*:*:*:*:node.js:*:*
Vendors & Products Svelte sveltekit
Metrics cvssV3_1

{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N'}


Fri, 28 Aug 2026 11:30:00 +0000

Type Values Removed Values Added
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.
Title SvelteKit 2.38.0 before 2.60.1 Cross-User Data Disclosure via query.batch
First Time appeared Svelte
Svelte kit
Weaknesses CWE-362
CPEs cpe:2.3:a:svelte:kit:*:*:*:*:*:*:*:*
Vendors & Products Svelte
Svelte kit
References
Metrics cvssV4_0

{'score': 5.9, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-08-28T10:49:42.085Z

Updated: 2026-08-31T18:36:22.058Z

Reserved: 2026-08-28T10:39:30.356Z

Link: CVE-2026-82258

cve-icon Vulnrichment

Updated: 2026-08-31T18:36:16.730Z

cve-icon NVD

Status : Analyzed

Published: 2026-08-28T12:16:38.770

Modified: 2026-08-31T19:17:16.570

Link: CVE-2026-82258

cve-icon Redhat

No data.