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    CVE-2026-114060

    SvelteKit (@sveltejs/kit) before 3.0.0 contains an open redirect vulnerability in enhanced form actions (use:enhance) on routes accepting paths beginning with a double slash. Attackers can craft action paths starting with // that become protocol-relative URLs, causing non-redirect form results to navigate victims to attacker-controlled sites.

    Published:Oct 21, 2026
    Last Modified:Oct 21, 2026
    EPS:Oct 21, 2026
    EPSS Score:0.00165
    CVSS Score:4.7

    Affected Products

    Vendor
    Svelte
    Product
    Kit

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-178 Cross-Site Flashing

    Related CVEs

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    CVE-2026-114061 (CVSS 2.3) — SvelteKit (@sveltejs/kit) before 3.0.0 contains a cross-site scripting vulnerability in prerendered pages beca…
    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