---
cve: "CVE-2026-82258"
severity: "MEDIUM"
cvss: 5.9
epss: "2.3%"
vendor: "sveltejs"
kev: false
exploited: false
published: "2026-08-28 10:49:42"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-02T03:08:52+02:00"
---

# CVE-2026-82258

> 5.9 MEDIUM · 🧪 PoC

## Beschreibung

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-Vektor

```
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
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Hoch | good |
| PR Privilegien | Gering | warn |

## Patch verfügbar (OSV)

- d0204067efe97ac2199845ca6fe54cce62f3f5de (Commit)

## Referenzen

- <https://github.com/sveltejs/kit/security/advisories/GHSA-hgv7-v322-mmgr>
- <https://www.vulncheck.com/advisories/sveltekit-2.38.0-before-2.60.1-cross-user-data-disclosure-via-query-batch>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-82258) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_