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    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.

    Published:Aug 28, 2026
    Last Modified:Aug 31, 2026
    EPS:Aug 28, 2026
    EPSS Score:0.00163
    CVSS Score:4.8

    Affected Products

    Vendor
    Svelte
    Product
    Kit
    Vendor
    Svelte
    Product
    Sveltekit

    Exploits

    No exploit reference

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High