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    CVE-2026-84796

    Craft CMS versions before 5.10.11 contain a site scope bypass vulnerability in GraphQL entry mutation resolvers that fail to validate siteId through ArgumentManager::prepareArguments(). Attackers with tokens scoped to one site can read, modify, or delete entries across unauthorized sites by passing siteId directly in mutation arguments.

    Published:Sep 2, 2026
    Last Modified:Sep 2, 2026
    EPS:Sep 2, 2026
    EPSS Score:0.00261
    CVSS Score:8.8

    Affected Products

    Vendor
    Craftcms
    Product
    Craft Cms

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-86732 (CVSS 8.7) — Craft CMS versions before 5.10.12 contain a remote code execution vulnerability in the element-index endpoint …
    CVE-2026-86731 (CVSS 7.1) — Craft CMS versions 5.0.0-RC1 through 5.10.11 are missing an admin-target guard in UsersController::actionActiv…
    CVE-2026-86730 (CVSS 8.7) — Craft CMS versions before 5.10.12 fail to properly cleanse string-typed field-layout elements, allowing authen…
    CVE-2026-84802 (CVSS 5.3) — Craft CMS versions from 5.7.0 before 5.10.12 contain an information disclosure vulnerability in AssetsControll…
    CVE-2026-84801 (CVSS 8.7) — Craft CMS versions before 5.10.11 fail to validate admin status in the actionGetPasswordResetUrl endpoint, all…
    CVE-2026-84800 (CVSS 7.1) — Craft CMS versions >= 5.0.0-RC1 and < 5.10.11 contain a missing authorization vulnerability in AssetsControlle…
    CVE-2026-84799 (CVSS 5.3) — Craft CMS before 5.11.0 fails to enforce user-group scope filters on native GraphQL user relations including a…
    CVE-2026-84798 (CVSS 7.1) — Craft CMS versions >= 5.0.0-RC1 and < 5.10.11 fail to perform an independent authorization check in ElementsCo…
    CVE-2026-84797 (CVSS 5.3) — Craft CMS versions before 5.10.11 contain an authorization bypass vulnerability in ElementsController::actionD…
    CVE-2026-84795 (CVSS 9.2) — Craft CMS before 5.10.11 fails to validate the admin flag during user registration, allowing it to persist fro…

    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