CVE-2026-82258
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.
Scoring
- Severity
- MEDIUM
- CVSS base score
- 5.9
- CVSS 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
- EPSS probability
- 0.15%
- CWE
- CWE-362
- Published
- 2026-08-28
- Last modified
- 2026-08-31
Affected products
- sveltejs kit
- sveltejs kit
Weakness type
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