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    CVE-2026-28782

    Craft is a content management system (CMS). Prior to 5.9.0-beta.1 and 4.17.0-beta.1, the "Duplicate" entry action does not properly verify if the user has permission to perform this action on the specific target elements. Even with only "View Entries" permission (where the "Duplicate" action is restricted in the UI), a user can bypass this restriction by sending a direct request. Furthermore, this vulnerability allows duplicating other users' entries by specifying their Entry IDs. Since Entry IDs are incremental, an attacker can trivially brute-force these IDs to duplicate and access restricted content across the system. This vulnerability is fixed in 5.9.0-beta.1 and 4.17.0-beta.1.

    Published:Mar 4, 2026
    Last Modified:Apr 16, 2026
    EPS:Mar 4, 2026
    EPSS Score:0.00036
    CVSS Score:4.3

    Affected Products

    Vendor
    Craftcms
    Product
    Craft Cms
    Vendor
    Craftcms
    Product
    Craftcms

    Exploits

    https://github.com/craftcms/cms/security/advisories/GHSA-jxm3-pmm2-9gf6

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    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-2026-84796 (CVSS 8.7) — Craft CMS versions before 5.10.11 contain a site scope bypass vulnerability in GraphQL entry mutation resolver…

    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