En resumen
- CVE-2026-82258 es una vulnerabilidad MEDIO (CVSS 4.8) que afecta a sveltekit (svelte), @sveltejs/kit.
- Probabilidad de explotación en los próximos 30 días (EPSS): 0.24%, mayor que el 14.5% de las vulnerabilidades.
- Solución: actualizar a 2.60.1 o posterior.
| Package | Affected versions | Patched versions |
|---|
| sveltekit | ≥ 2.38.0, < 2.60.1
| 2.60.1
|
| @sveltejs/kit npm | ≥ 2.38.0, < 2.60.1
| 2.60.1
|
Description
query.batch() could, under very rare and specific timings, cause concurrent requests from different users to merge and resolve under single request context, enabling cross-user data disclosure.
NVD 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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