Advisories

SvelteKit 2.38.0 before 2.60.1 Cross-User Data Disclosure via query.batch

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severity
medium
date
Affecting
  • kit >= 2.38.0, < 2.60.1

CWE
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CVSS
5.9
CVSS V4 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
Credit
rafabd1, elliott-with-the-longest-name-on-github, dummdidumm
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.

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