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    CVE-2026-114062

    SvelteKit before 3.0.0 contains a server-side request forgery vulnerability that allows remote attackers to reach internal services because self-fetch fallbacks follow HTTP redirects automatically. Attackers can manipulate the Host or forwarded headers to point fallback requests at their server, which redirects them to internal services.

    Published:Oct 21, 2026
    Last Modified:Oct 22, 2026
    EPS:Oct 21, 2026
    EPSS Score:0.00288
    CVSS Score:5.3

    Affected Products

    Vendor
    Svelte
    Product
    Kit

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-918 Server-Side Request Forgery

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-664 Server Side Request Forgery

    Related CVEs

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    CVE-2026-114060 (CVSS 2.1) — SvelteKit (@sveltejs/kit) before 3.0.0 contains an open redirect vulnerability in enhanced form actions (use:e…
    CVE-2026-82261 (CVSS 8.7) — SvelteKit (@sveltejs/kit) versions >=2.49.0 and <=2.52.1 with experimental remote functions and form enabled c…
    CVE-2026-82260 (CVSS 8.7) — SvelteKit (@sveltejs/kit) versions >=2.49.0 and <=2.52.1 with experimental remote functions (experimental.remo…
    CVE-2026-82259 (CVSS 8.7) — SvelteKit versions from 2.49.0 through 2.53.2 (fixed in 2.53.3) contain a deserialization expansion issue in t…
    CVE-2026-82258 (CVSS 5.9) — SvelteKit versions from 2.38.0 before 2.60.1 contain a race condition in query.batch that allows concurrent re…
    CVE-2026-82257 (CVSS 5.3) — SvelteKit versions before 2.69.1 contain a prototype pollution vulnerability in remote form functions with fil…
    CVE-2026-82256 (CVSS 6.9) — SvelteKit before 2.69.1 fails to properly validate remote form function payload sizes, allowing attackers to c…
    CVE-2026-66062 (CVSS 5.3) — SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. Prior to 2.7…

    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