CVE-2026-82258: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in sveltejs kit
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.
CVE-2026-82258: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in sveltejs kit
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.
CVSS v4.0
Score 5.9medium
Affected software
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-08-28T10:39:30.356Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a916f93acd9273b49cf92fc
Added to database: 08/28/2026, 11:22:59 UTC
Last updated: 08/28/2026, 12:07:19 UTC
Views: 5
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