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    CVE-2026-82240

    Budibase before 3.41.3 fails to validate app-scoped builder role assignments in the public user create and update endpoints, allowing an authenticated app-scoped builder to grant builder access to unrelated apps. Attackers can submit crafted requests to the user update API with builder.apps fields to escalate privileges and gain unauthorized builder access to other applications in the same tenant.

    Published:Aug 28, 2026
    Last Modified:Aug 28, 2026
    EPS:Aug 28, 2026
    EPSS Score:
    CVSS Score:8.1

    Affected Products

    Vendor
    Budibase
    Product
    Budibase
    Vendor
    Budibase
    Product
    Server

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-862 Missing Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-665 Exploitation of Thunderbolt Protection Flaws

    Related CVEs

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    CVE-2026-82243 (CVSS 8.3) — Budibase Server before 3.41.3 contains a server-side request forgery vulnerability in the datasource verify en…
    CVE-2026-82242 (CVSS 8.3) — Budibase versions before 3.41.3 contain a missing authorization vulnerability in the POST /api/resources/dupli…
    CVE-2026-82239 (CVSS 8.6) — Budibase before 3.41.3 fails to enforce per-table role restrictions on the POST /api/datasources/query endpoin…
    CVE-2026-54356 (CVSS 7.1) — Budibase is an open-source low-code platform. Prior to 3.41.3, POST /api/attachments/:datasourceId/url in pack…
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    CVE-2026-73410 (CVSS 8.5) — Budibase is an open-source low-code platform. Prior to 3.40.0, packages/backend-core/src/utils/outboundFetch.t…
    CVE-2026-64657 (CVSS 8.4) — Budibase is an open-source low-code platform. Prior to 3.39.19, the PostgreSQL datasource connector in package…

    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